diff --git a/.gitmodules b/.gitmodules index 95f0cb2bc6d..048f9a19fa1 100644 --- a/.gitmodules +++ b/.gitmodules @@ -7,3 +7,6 @@ [submodule "gflags"] path = contrib/gflags url = https://github.com/gflags/gflags +[submodule "contrib/rapidjson"] + path = contrib/rapidjson + url = https://github.com/Tencent/rapidjson.git diff --git a/CMakeLists.txt b/CMakeLists.txt index 9538b0b06cd..1ac375c1d9e 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -139,11 +139,7 @@ else() set(RocksDB_LIB ${RocksDB_LIBRARY}) endif() -# third party sources -include(FetchContent) set(FETCHCONTENT_QUIET OFF) -include(farmhash) -include(rapidjson) # contrib libs add_subdirectory(contrib EXCLUDE_FROM_ALL) @@ -298,6 +294,7 @@ include_directories( ${LLVM_INCLUDE_DIRS} ${Boost_INCLUDE_DIRS} ${CMAKE_PREFIX_PATH}/include + ${PROJECT_SOURCE_DIR}/contrib/rapidjson/include ) link_directories( diff --git a/cmake/farmhash.cmake b/cmake/farmhash.cmake deleted file mode 100644 index 583e2d5f8b0..00000000000 --- a/cmake/farmhash.cmake +++ /dev/null @@ -1,17 +0,0 @@ - -FetchContent_Declare( - farmhash - GIT_REPOSITORY https://github.com/google/farmhash.git - GIT_TAG 0d859a811870d10f53a594927d0d0b97573ad06d -) -FetchContent_MakeAvailable(farmhash) - -# TODO: recommanded compile flag: '-mavx -maes -O3' -add_library(farmhash ${farmhash_SOURCE_DIR}/src/farmhash.cc) -set_target_properties(farmhash - PROPERTIES - LIBRARY_OUTPUT_DIRECTORY ${farmhash_BINARY_DIR} - ARCHIVE_OUTPUT_DIRECTORY ${farmhash_BINARY_DIR} -) -target_compile_definitions(farmhash - PUBLIC NAMESPACE_FOR_HASH_FUNCTIONS=farmhash) diff --git a/cmake/rapidjson.cmake b/cmake/rapidjson.cmake deleted file mode 100644 index 6b1ecd2a6dd..00000000000 --- a/cmake/rapidjson.cmake +++ /dev/null @@ -1,9 +0,0 @@ -FetchContent_Declare( - rapidjson - URL https://github.com/Tencent/rapidjson/archive/refs/tags/v1.1.0.zip - URL_HASH MD5=ceb1cf16e693a3170c173dc040a9d2bd - EXCLUDE_FROM_ALL # don't build this project as part of the overall build -) -# don't build this project, just populate -FetchContent_Populate(rapidjson) -include_directories(${rapidjson_SOURCE_DIR}/include) diff --git a/contrib/CMakeLists.txt b/contrib/CMakeLists.txt index 6e56825602c..bf2560e69f6 100644 --- a/contrib/CMakeLists.txt +++ b/contrib/CMakeLists.txt @@ -29,6 +29,8 @@ function(add_contrib cmake_folder) endfunction() add_contrib(simdjson) +add_contrib(rapidjson) +add_contrib(farmhash) if (BUILD_SHARED_LIBS) add_contrib(gflags-cmake gflags) diff --git a/contrib/farmhash/CMakeLists.txt b/contrib/farmhash/CMakeLists.txt new file mode 100644 index 00000000000..7c41f89686f --- /dev/null +++ b/contrib/farmhash/CMakeLists.txt @@ -0,0 +1,12 @@ + +add_library(farmhash ${CMAKE_CURRENT_SOURCE_DIR}/src/farmhash.cc) +target_include_directories(farmhash SYSTEM PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/src/") +set_target_properties(farmhash + PROPERTIES + LIBRARY_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR} + ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR} +) +target_compile_definitions(farmhash + PUBLIC NAMESPACE_FOR_HASH_FUNCTIONS=farmhash) + +add_library(op_contrib::farmhash ALIAS farmhash) \ No newline at end of file diff --git a/contrib/farmhash/src/farmhash.cc b/contrib/farmhash/src/farmhash.cc new file mode 100644 index 00000000000..d35b1933405 --- /dev/null +++ b/contrib/farmhash/src/farmhash.cc @@ -0,0 +1,11841 @@ +// Copyright (c) 2014 Google, Inc. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// +// FarmHash, by Geoff Pike + +#include "farmhash.h" +// FARMHASH ASSUMPTIONS: Modify as needed, or use -DFARMHASH_ASSUME_SSE42 etc. +// Note that if you use -DFARMHASH_ASSUME_SSE42 you likely need -msse42 +// (or its equivalent for your compiler); if you use -DFARMHASH_ASSUME_AESNI +// you likely need -maes (or its equivalent for your compiler). + +#ifdef FARMHASH_ASSUME_SSSE3 +#undef FARMHASH_ASSUME_SSSE3 +#define FARMHASH_ASSUME_SSSE3 1 +#endif + +#ifdef FARMHASH_ASSUME_SSE41 +#undef FARMHASH_ASSUME_SSE41 +#define FARMHASH_ASSUME_SSE41 1 +#endif + +#ifdef FARMHASH_ASSUME_SSE42 +#undef FARMHASH_ASSUME_SSE42 +#define FARMHASH_ASSUME_SSE42 1 +#endif + +#ifdef FARMHASH_ASSUME_AESNI +#undef FARMHASH_ASSUME_AESNI +#define FARMHASH_ASSUME_AESNI 1 +#endif + +#ifdef FARMHASH_ASSUME_AVX +#undef FARMHASH_ASSUME_AVX +#define FARMHASH_ASSUME_AVX 1 +#endif + +#if !defined(FARMHASH_CAN_USE_CXX11) && defined(LANG_CXX11) +#define FARMHASH_CAN_USE_CXX11 1 +#else +#undef FARMHASH_CAN_USE_CXX11 +#define FARMHASH_CAN_USE_CXX11 0 +#endif + +// FARMHASH PORTABILITY LAYER: Runtime error if misconfigured + +#ifndef FARMHASH_DIE_IF_MISCONFIGURED +#define FARMHASH_DIE_IF_MISCONFIGURED do { *(char*)(len % 17) = 0; } while (0) +#endif + +// FARMHASH PORTABILITY LAYER: "static inline" or similar + +#ifndef STATIC_INLINE +#define STATIC_INLINE static inline +#endif + +// FARMHASH PORTABILITY LAYER: LIKELY and UNLIKELY + +#if !defined(LIKELY) +#if defined(FARMHASH_NO_BUILTIN_EXPECT) || (defined(FARMHASH_OPTIONAL_BUILTIN_EXPECT) && !defined(HAVE_BUILTIN_EXPECT)) +#define LIKELY(x) (x) +#else +#define LIKELY(x) (__builtin_expect(!!(x), 1)) +#endif +#endif + +#undef UNLIKELY +#define UNLIKELY(x) !LIKELY(!(x)) + +// FARMHASH PORTABILITY LAYER: endianness and byteswapping functions + +#ifdef WORDS_BIGENDIAN +#undef FARMHASH_BIG_ENDIAN +#define FARMHASH_BIG_ENDIAN 1 +#endif + +#if defined(FARMHASH_LITTLE_ENDIAN) && defined(FARMHASH_BIG_ENDIAN) +#error +#endif + +#if !defined(FARMHASH_LITTLE_ENDIAN) && !defined(FARMHASH_BIG_ENDIAN) +#define FARMHASH_UNKNOWN_ENDIAN 1 +#endif + +#if !defined(bswap_32) || !defined(bswap_64) +#undef bswap_32 +#undef bswap_64 + +#if defined(HAVE_BUILTIN_BSWAP) || defined(__clang__) || \ + (defined(__GNUC__) && ((__GNUC__ == 4 && __GNUC_MINOR__ >= 8) || \ + __GNUC__ >= 5)) +// Easy case for bswap: no header file needed. +#define bswap_32(x) __builtin_bswap32(x) +#define bswap_64(x) __builtin_bswap64(x) +#endif + +#endif + +#if defined(FARMHASH_UNKNOWN_ENDIAN) || !defined(bswap_64) + +#ifdef _WIN32 + +#undef bswap_32 +#undef bswap_64 +#define bswap_32(x) _byteswap_ulong(x) +#define bswap_64(x) _byteswap_uint64(x) + +#elif defined(__APPLE__) + +// Mac OS X / Darwin features +#include +#undef bswap_32 +#undef bswap_64 +#define bswap_32(x) OSSwapInt32(x) +#define bswap_64(x) OSSwapInt64(x) + +#elif defined(__sun) || defined(sun) + +#include +#undef bswap_32 +#undef bswap_64 +#define bswap_32(x) BSWAP_32(x) +#define bswap_64(x) BSWAP_64(x) + +#elif defined(__FreeBSD__) || defined(__DragonFly__) + +#include +#undef bswap_32 +#undef bswap_64 +#define bswap_32(x) bswap32(x) +#define bswap_64(x) bswap64(x) + +#elif defined(__OpenBSD__) + +#include +#undef bswap_32 +#undef bswap_64 +#define bswap_32(x) swap32(x) +#define bswap_64(x) swap64(x) + +#elif defined(__NetBSD__) + +#include +#include +#if defined(__BSWAP_RENAME) && !defined(__bswap_32) +#undef bswap_32 +#undef bswap_64 +#define bswap_32(x) bswap32(x) +#define bswap_64(x) bswap64(x) +#endif + +#elif defined(__HAIKU__) + +#define _BSD_SOURCE +#include +#undef bswap_32 +#undef bswap_64 +#define bswap_32(x) bswap32(x) +#define bswap_64(x) bswap64(x) + +#else + +#undef bswap_32 +#undef bswap_64 +#undef _BYTESWAP_H +#include + +#endif + +#ifdef WORDS_BIGENDIAN +#define FARMHASH_BIG_ENDIAN 1 +#endif + +#endif + +#ifdef FARMHASH_BIG_ENDIAN +#define uint32_in_expected_order(x) (bswap_32(x)) +#define uint64_in_expected_order(x) (bswap_64(x)) +#else +#define uint32_in_expected_order(x) (x) +#define uint64_in_expected_order(x) (x) +#endif + +namespace NAMESPACE_FOR_HASH_FUNCTIONS { + +STATIC_INLINE uint64_t Fetch64(const char *p) { + uint64_t result; + memcpy(&result, p, sizeof(result)); + return uint64_in_expected_order(result); +} + +STATIC_INLINE uint32_t Fetch32(const char *p) { + uint32_t result; + memcpy(&result, p, sizeof(result)); + return uint32_in_expected_order(result); +} + +STATIC_INLINE uint32_t Bswap32(uint32_t val) { return bswap_32(val); } +STATIC_INLINE uint64_t Bswap64(uint64_t val) { return bswap_64(val); } + +// FARMHASH PORTABILITY LAYER: bitwise rot + +STATIC_INLINE uint32_t BasicRotate32(uint32_t val, int shift) { + // Avoid shifting by 32: doing so yields an undefined result. + return shift == 0 ? val : ((val >> shift) | (val << (32 - shift))); +} + +STATIC_INLINE uint64_t BasicRotate64(uint64_t val, int shift) { + // Avoid shifting by 64: doing so yields an undefined result. + return shift == 0 ? val : ((val >> shift) | (val << (64 - shift))); +} + +#if defined(_WIN32) && defined(FARMHASH_ROTR) + +STATIC_INLINE uint32_t Rotate32(uint32_t val, int shift) { + return sizeof(unsigned long) == sizeof(val) ? + _lrotr(val, shift) : + BasicRotate32(val, shift); +} + +STATIC_INLINE uint64_t Rotate64(uint64_t val, int shift) { + return sizeof(unsigned long) == sizeof(val) ? + _lrotr(val, shift) : + BasicRotate64(val, shift); +} + +#else + +STATIC_INLINE uint32_t Rotate32(uint32_t val, int shift) { + return BasicRotate32(val, shift); +} +STATIC_INLINE uint64_t Rotate64(uint64_t val, int shift) { + return BasicRotate64(val, shift); +} + +#endif + +} // namespace NAMESPACE_FOR_HASH_FUNCTIONS + +// FARMHASH PORTABILITY LAYER: debug mode or max speed? +// One may use -DFARMHASH_DEBUG=1 or -DFARMHASH_DEBUG=0 to force the issue. + +#if !defined(FARMHASH_DEBUG) && (!defined(NDEBUG) || defined(_DEBUG)) +#define FARMHASH_DEBUG 1 +#endif + +#undef debug_mode +#if FARMHASH_DEBUG +#define debug_mode 1 +#else +#define debug_mode 0 +#endif + +// PLATFORM-SPECIFIC FUNCTIONS AND MACROS + +#undef x86_64 +#if defined (__x86_64) || defined (__x86_64__) +#define x86_64 1 +#else +#define x86_64 0 +#endif + +#undef x86 +#if defined(__i386__) || defined(__i386) || defined(__X86__) +#define x86 1 +#else +#define x86 x86_64 +#endif + +#if !defined(is_64bit) +#define is_64bit (x86_64 || (sizeof(void*) == 8)) +#endif + +#undef can_use_ssse3 +#if defined(__SSSE3__) || defined(FARMHASH_ASSUME_SSSE3) + +#include +#define can_use_ssse3 1 +// Now we can use _mm_hsub_epi16 and so on. + +#else +#define can_use_ssse3 0 +#endif + +#undef can_use_sse41 +#if defined(__SSE4_1__) || defined(FARMHASH_ASSUME_SSE41) + +#include +#define can_use_sse41 1 +// Now we can use _mm_insert_epi64 and so on. + +#else +#define can_use_sse41 0 +#endif + +#undef can_use_sse42 +#if defined(__SSE4_2__) || defined(FARMHASH_ASSUME_SSE42) + +#include +#define can_use_sse42 1 +// Now we can use _mm_crc32_u{32,16,8}. And on 64-bit platforms, _mm_crc32_u64. + +#else +#define can_use_sse42 0 +#endif + +#undef can_use_aesni +#if defined(__AES__) || defined(FARMHASH_ASSUME_AESNI) + +#include +#define can_use_aesni 1 +// Now we can use _mm_aesimc_si128 and so on. + +#else +#define can_use_aesni 0 +#endif + +#undef can_use_avx +#if defined(__AVX__) || defined(FARMHASH_ASSUME_AVX) + +#include +#define can_use_avx 1 + +#else +#define can_use_avx 0 +#endif + +#if can_use_ssse3 || can_use_sse41 || can_use_sse42 || can_use_aesni || can_use_avx +STATIC_INLINE __m128i Fetch128(const char* s) { + return _mm_loadu_si128(reinterpret_cast(s)); +} +#endif +// Building blocks for hash functions + +// std::swap() was in but is in from C++11 on. +#if !FARMHASH_CAN_USE_CXX11 +#include +#endif + +#undef PERMUTE3 +#define PERMUTE3(a, b, c) do { std::swap(a, b); std::swap(a, c); } while (0) + +namespace NAMESPACE_FOR_HASH_FUNCTIONS { + +// Some primes between 2^63 and 2^64 for various uses. +static const uint64_t k0 = 0xc3a5c85c97cb3127ULL; +static const uint64_t k1 = 0xb492b66fbe98f273ULL; +static const uint64_t k2 = 0x9ae16a3b2f90404fULL; + +// Magic numbers for 32-bit hashing. Copied from Murmur3. +static const uint32_t c1 = 0xcc9e2d51; +static const uint32_t c2 = 0x1b873593; + +// A 32-bit to 32-bit integer hash copied from Murmur3. +STATIC_INLINE uint32_t fmix(uint32_t h) +{ + h ^= h >> 16; + h *= 0x85ebca6b; + h ^= h >> 13; + h *= 0xc2b2ae35; + h ^= h >> 16; + return h; +} + +STATIC_INLINE uint32_t Mur(uint32_t a, uint32_t h) { + // Helper from Murmur3 for combining two 32-bit values. + a *= c1; + a = Rotate32(a, 17); + a *= c2; + h ^= a; + h = Rotate32(h, 19); + return h * 5 + 0xe6546b64; +} + +template STATIC_INLINE T DebugTweak(T x) { + if (debug_mode) { + if (sizeof(x) == 4) { + x = ~Bswap32(x * c1); + } else { + x = ~Bswap64(x * k1); + } + } + return x; +} + +template <> uint128_t DebugTweak(uint128_t x) { + if (debug_mode) { + uint64_t y = DebugTweak(Uint128Low64(x)); + uint64_t z = DebugTweak(Uint128High64(x)); + y += z; + z += y; + x = Uint128(y, z * k1); + } + return x; +} + +} // namespace NAMESPACE_FOR_HASH_FUNCTIONS + +using namespace std; +using namespace NAMESPACE_FOR_HASH_FUNCTIONS; +namespace farmhashna { +#undef Fetch +#define Fetch Fetch64 + +#undef Rotate +#define Rotate Rotate64 + +#undef Bswap +#define Bswap Bswap64 + +STATIC_INLINE uint64_t ShiftMix(uint64_t val) { + return val ^ (val >> 47); +} + +STATIC_INLINE uint64_t HashLen16(uint64_t u, uint64_t v) { + return Hash128to64(Uint128(u, v)); +} + +STATIC_INLINE uint64_t HashLen16(uint64_t u, uint64_t v, uint64_t mul) { + // Murmur-inspired hashing. + uint64_t a = (u ^ v) * mul; + a ^= (a >> 47); + uint64_t b = (v ^ a) * mul; + b ^= (b >> 47); + b *= mul; + return b; +} + +STATIC_INLINE uint64_t HashLen0to16(const char *s, size_t len) { + if (len >= 8) { + uint64_t mul = k2 + len * 2; + uint64_t a = Fetch(s) + k2; + uint64_t b = Fetch(s + len - 8); + uint64_t c = Rotate(b, 37) * mul + a; + uint64_t d = (Rotate(a, 25) + b) * mul; + return HashLen16(c, d, mul); + } + if (len >= 4) { + uint64_t mul = k2 + len * 2; + uint64_t a = Fetch32(s); + return HashLen16(len + (a << 3), Fetch32(s + len - 4), mul); + } + if (len > 0) { + uint8_t a = s[0]; + uint8_t b = s[len >> 1]; + uint8_t c = s[len - 1]; + uint32_t y = static_cast(a) + (static_cast(b) << 8); + uint32_t z = len + (static_cast(c) << 2); + return ShiftMix(y * k2 ^ z * k0) * k2; + } + return k2; +} + +// This probably works well for 16-byte strings as well, but it may be overkill +// in that case. +STATIC_INLINE uint64_t HashLen17to32(const char *s, size_t len) { + uint64_t mul = k2 + len * 2; + uint64_t a = Fetch(s) * k1; + uint64_t b = Fetch(s + 8); + uint64_t c = Fetch(s + len - 8) * mul; + uint64_t d = Fetch(s + len - 16) * k2; + return HashLen16(Rotate(a + b, 43) + Rotate(c, 30) + d, + a + Rotate(b + k2, 18) + c, mul); +} + +// Return a 16-byte hash for 48 bytes. Quick and dirty. +// Callers do best to use "random-looking" values for a and b. +STATIC_INLINE pair WeakHashLen32WithSeeds( + uint64_t w, uint64_t x, uint64_t y, uint64_t z, uint64_t a, uint64_t b) { + a += w; + b = Rotate(b + a + z, 21); + uint64_t c = a; + a += x; + a += y; + b += Rotate(a, 44); + return make_pair(a + z, b + c); +} + +// Return a 16-byte hash for s[0] ... s[31], a, and b. Quick and dirty. +STATIC_INLINE pair WeakHashLen32WithSeeds( + const char* s, uint64_t a, uint64_t b) { + return WeakHashLen32WithSeeds(Fetch(s), + Fetch(s + 8), + Fetch(s + 16), + Fetch(s + 24), + a, + b); +} + +// Return an 8-byte hash for 33 to 64 bytes. +STATIC_INLINE uint64_t HashLen33to64(const char *s, size_t len) { + uint64_t mul = k2 + len * 2; + uint64_t a = Fetch(s) * k2; + uint64_t b = Fetch(s + 8); + uint64_t c = Fetch(s + len - 8) * mul; + uint64_t d = Fetch(s + len - 16) * k2; + uint64_t y = Rotate(a + b, 43) + Rotate(c, 30) + d; + uint64_t z = HashLen16(y, a + Rotate(b + k2, 18) + c, mul); + uint64_t e = Fetch(s + 16) * mul; + uint64_t f = Fetch(s + 24); + uint64_t g = (y + Fetch(s + len - 32)) * mul; + uint64_t h = (z + Fetch(s + len - 24)) * mul; + return HashLen16(Rotate(e + f, 43) + Rotate(g, 30) + h, + e + Rotate(f + a, 18) + g, mul); +} + +uint64_t Hash64(const char *s, size_t len) { + const uint64_t seed = 81; + if (len <= 32) { + if (len <= 16) { + return HashLen0to16(s, len); + } else { + return HashLen17to32(s, len); + } + } else if (len <= 64) { + return HashLen33to64(s, len); + } + + // For strings over 64 bytes we loop. Internal state consists of + // 56 bytes: v, w, x, y, and z. + uint64_t x = seed; + uint64_t y = seed * k1 + 113; + uint64_t z = ShiftMix(y * k2 + 113) * k2; + pair v = make_pair(0, 0); + pair w = make_pair(0, 0); + x = x * k2 + Fetch(s); + + // Set end so that after the loop we have 1 to 64 bytes left to process. + const char* end = s + ((len - 1) / 64) * 64; + const char* last64 = end + ((len - 1) & 63) - 63; + assert(s + len - 64 == last64); + do { + x = Rotate(x + y + v.first + Fetch(s + 8), 37) * k1; + y = Rotate(y + v.second + Fetch(s + 48), 42) * k1; + x ^= w.second; + y += v.first + Fetch(s + 40); + z = Rotate(z + w.first, 33) * k1; + v = WeakHashLen32WithSeeds(s, v.second * k1, x + w.first); + w = WeakHashLen32WithSeeds(s + 32, z + w.second, y + Fetch(s + 16)); + std::swap(z, x); + s += 64; + } while (s != end); + uint64_t mul = k1 + ((z & 0xff) << 1); + // Make s point to the last 64 bytes of input. + s = last64; + w.first += ((len - 1) & 63); + v.first += w.first; + w.first += v.first; + x = Rotate(x + y + v.first + Fetch(s + 8), 37) * mul; + y = Rotate(y + v.second + Fetch(s + 48), 42) * mul; + x ^= w.second * 9; + y += v.first * 9 + Fetch(s + 40); + z = Rotate(z + w.first, 33) * mul; + v = WeakHashLen32WithSeeds(s, v.second * mul, x + w.first); + w = WeakHashLen32WithSeeds(s + 32, z + w.second, y + Fetch(s + 16)); + std::swap(z, x); + return HashLen16(HashLen16(v.first, w.first, mul) + ShiftMix(y) * k0 + z, + HashLen16(v.second, w.second, mul) + x, + mul); +} + +uint64_t Hash64WithSeeds(const char *s, size_t len, uint64_t seed0, uint64_t seed1); + +uint64_t Hash64WithSeed(const char *s, size_t len, uint64_t seed) { + return Hash64WithSeeds(s, len, k2, seed); +} + +uint64_t Hash64WithSeeds(const char *s, size_t len, uint64_t seed0, uint64_t seed1) { + return HashLen16(Hash64(s, len) - seed0, seed1); +} +} // namespace farmhashna +namespace farmhashuo { +#undef Fetch +#define Fetch Fetch64 + +#undef Rotate +#define Rotate Rotate64 + +STATIC_INLINE uint64_t H(uint64_t x, uint64_t y, uint64_t mul, int r) { + uint64_t a = (x ^ y) * mul; + a ^= (a >> 47); + uint64_t b = (y ^ a) * mul; + return Rotate(b, r) * mul; +} + +uint64_t Hash64WithSeeds(const char *s, size_t len, + uint64_t seed0, uint64_t seed1) { + if (len <= 64) { + return farmhashna::Hash64WithSeeds(s, len, seed0, seed1); + } + + // For strings over 64 bytes we loop. Internal state consists of + // 64 bytes: u, v, w, x, y, and z. + uint64_t x = seed0; + uint64_t y = seed1 * k2 + 113; + uint64_t z = farmhashna::ShiftMix(y * k2) * k2; + pair v = make_pair(seed0, seed1); + pair w = make_pair(0, 0); + uint64_t u = x - z; + x *= k2; + uint64_t mul = k2 + (u & 0x82); + + // Set end so that after the loop we have 1 to 64 bytes left to process. + const char* end = s + ((len - 1) / 64) * 64; + const char* last64 = end + ((len - 1) & 63) - 63; + assert(s + len - 64 == last64); + do { + uint64_t a0 = Fetch(s); + uint64_t a1 = Fetch(s + 8); + uint64_t a2 = Fetch(s + 16); + uint64_t a3 = Fetch(s + 24); + uint64_t a4 = Fetch(s + 32); + uint64_t a5 = Fetch(s + 40); + uint64_t a6 = Fetch(s + 48); + uint64_t a7 = Fetch(s + 56); + x += a0 + a1; + y += a2; + z += a3; + v.first += a4; + v.second += a5 + a1; + w.first += a6; + w.second += a7; + + x = Rotate(x, 26); + x *= 9; + y = Rotate(y, 29); + z *= mul; + v.first = Rotate(v.first, 33); + v.second = Rotate(v.second, 30); + w.first ^= x; + w.first *= 9; + z = Rotate(z, 32); + z += w.second; + w.second += z; + z *= 9; + std::swap(u, y); + + z += a0 + a6; + v.first += a2; + v.second += a3; + w.first += a4; + w.second += a5 + a6; + x += a1; + y += a7; + + y += v.first; + v.first += x - y; + v.second += w.first; + w.first += v.second; + w.second += x - y; + x += w.second; + w.second = Rotate(w.second, 34); + std::swap(u, z); + s += 64; + } while (s != end); + // Make s point to the last 64 bytes of input. + s = last64; + u *= 9; + v.second = Rotate(v.second, 28); + v.first = Rotate(v.first, 20); + w.first += ((len - 1) & 63); + u += y; + y += u; + x = Rotate(y - x + v.first + Fetch(s + 8), 37) * mul; + y = Rotate(y ^ v.second ^ Fetch(s + 48), 42) * mul; + x ^= w.second * 9; + y += v.first + Fetch(s + 40); + z = Rotate(z + w.first, 33) * mul; + v = farmhashna::WeakHashLen32WithSeeds(s, v.second * mul, x + w.first); + w = farmhashna::WeakHashLen32WithSeeds(s + 32, z + w.second, y + Fetch(s + 16)); + return H(farmhashna::HashLen16(v.first + x, w.first ^ y, mul) + z - u, + H(v.second + y, w.second + z, k2, 30) ^ x, + k2, + 31); +} + +uint64_t Hash64WithSeed(const char *s, size_t len, uint64_t seed) { + return len <= 64 ? farmhashna::Hash64WithSeed(s, len, seed) : + Hash64WithSeeds(s, len, 0, seed); +} + +uint64_t Hash64(const char *s, size_t len) { + return len <= 64 ? farmhashna::Hash64(s, len) : + Hash64WithSeeds(s, len, 81, 0); +} +} // namespace farmhashuo +namespace farmhashxo { +#undef Fetch +#define Fetch Fetch64 + +#undef Rotate +#define Rotate Rotate64 + +STATIC_INLINE uint64_t H32(const char *s, size_t len, uint64_t mul, + uint64_t seed0 = 0, uint64_t seed1 = 0) { + uint64_t a = Fetch(s) * k1; + uint64_t b = Fetch(s + 8); + uint64_t c = Fetch(s + len - 8) * mul; + uint64_t d = Fetch(s + len - 16) * k2; + uint64_t u = Rotate(a + b, 43) + Rotate(c, 30) + d + seed0; + uint64_t v = a + Rotate(b + k2, 18) + c + seed1; + a = farmhashna::ShiftMix((u ^ v) * mul); + b = farmhashna::ShiftMix((v ^ a) * mul); + return b; +} + +// Return an 8-byte hash for 33 to 64 bytes. +STATIC_INLINE uint64_t HashLen33to64(const char *s, size_t len) { + uint64_t mul0 = k2 - 30; + uint64_t mul1 = k2 - 30 + 2 * len; + uint64_t h0 = H32(s, 32, mul0); + uint64_t h1 = H32(s + len - 32, 32, mul1); + return ((h1 * mul1) + h0) * mul1; +} + +// Return an 8-byte hash for 65 to 96 bytes. +STATIC_INLINE uint64_t HashLen65to96(const char *s, size_t len) { + uint64_t mul0 = k2 - 114; + uint64_t mul1 = k2 - 114 + 2 * len; + uint64_t h0 = H32(s, 32, mul0); + uint64_t h1 = H32(s + 32, 32, mul1); + uint64_t h2 = H32(s + len - 32, 32, mul1, h0, h1); + return (h2 * 9 + (h0 >> 17) + (h1 >> 21)) * mul1; +} + +uint64_t Hash64(const char *s, size_t len) { + if (len <= 32) { + if (len <= 16) { + return farmhashna::HashLen0to16(s, len); + } else { + return farmhashna::HashLen17to32(s, len); + } + } else if (len <= 64) { + return HashLen33to64(s, len); + } else if (len <= 96) { + return HashLen65to96(s, len); + } else if (len <= 256) { + return farmhashna::Hash64(s, len); + } else { + return farmhashuo::Hash64(s, len); + } +} + +uint64_t Hash64WithSeeds(const char *s, size_t len, uint64_t seed0, uint64_t seed1) { + return farmhashuo::Hash64WithSeeds(s, len, seed0, seed1); +} + +uint64_t Hash64WithSeed(const char *s, size_t len, uint64_t seed) { + return farmhashuo::Hash64WithSeed(s, len, seed); +} +} // namespace farmhashxo +namespace farmhashte { +#if !can_use_sse41 || !x86_64 + +uint64_t Hash64(const char *s, size_t len) { + FARMHASH_DIE_IF_MISCONFIGURED; + return s == NULL ? 0 : len; +} + +uint64_t Hash64WithSeed(const char *s, size_t len, uint64_t seed) { + FARMHASH_DIE_IF_MISCONFIGURED; + return seed + Hash64(s, len); +} + +uint64_t Hash64WithSeeds(const char *s, size_t len, + uint64_t seed0, uint64_t seed1) { + FARMHASH_DIE_IF_MISCONFIGURED; + return seed0 + seed1 + Hash64(s, len); +} + +#else + +#undef Fetch +#define Fetch Fetch64 + +#undef Rotate +#define Rotate Rotate64 + +#undef Bswap +#define Bswap Bswap64 + +// Helpers for data-parallel operations (1x 128 bits or 2x 64 or 4x 32). +STATIC_INLINE __m128i Add(__m128i x, __m128i y) { return _mm_add_epi64(x, y); } +STATIC_INLINE __m128i Xor(__m128i x, __m128i y) { return _mm_xor_si128(x, y); } +STATIC_INLINE __m128i Mul(__m128i x, __m128i y) { return _mm_mullo_epi32(x, y); } +STATIC_INLINE __m128i Shuf(__m128i x, __m128i y) { return _mm_shuffle_epi8(y, x); } + +// Requires n >= 256. Requires SSE4.1. Should be slightly faster if the +// compiler uses AVX instructions (e.g., use the -mavx flag with GCC). +STATIC_INLINE uint64_t Hash64Long(const char* s, size_t n, + uint64_t seed0, uint64_t seed1) { + const __m128i kShuf = + _mm_set_epi8(4, 11, 10, 5, 8, 15, 6, 9, 12, 2, 14, 13, 0, 7, 3, 1); + const __m128i kMult = + _mm_set_epi8(0xbd, 0xd6, 0x33, 0x39, 0x45, 0x54, 0xfa, 0x03, + 0x34, 0x3e, 0x33, 0xed, 0xcc, 0x9e, 0x2d, 0x51); + uint64_t seed2 = (seed0 + 113) * (seed1 + 9); + uint64_t seed3 = (Rotate(seed0, 23) + 27) * (Rotate(seed1, 30) + 111); + __m128i d0 = _mm_cvtsi64_si128(seed0); + __m128i d1 = _mm_cvtsi64_si128(seed1); + __m128i d2 = Shuf(kShuf, d0); + __m128i d3 = Shuf(kShuf, d1); + __m128i d4 = Xor(d0, d1); + __m128i d5 = Xor(d1, d2); + __m128i d6 = Xor(d2, d4); + __m128i d7 = _mm_set1_epi32(seed2 >> 32); + __m128i d8 = Mul(kMult, d2); + __m128i d9 = _mm_set1_epi32(seed3 >> 32); + __m128i d10 = _mm_set1_epi32(seed3); + __m128i d11 = Add(d2, _mm_set1_epi32(seed2)); + const char* end = s + (n & ~static_cast(255)); + do { + __m128i z; + z = Fetch128(s); + d0 = Add(d0, z); + d1 = Shuf(kShuf, d1); + d2 = Xor(d2, d0); + d4 = Xor(d4, z); + d4 = Xor(d4, d1); + std::swap(d0, d6); + z = Fetch128(s + 16); + d5 = Add(d5, z); + d6 = Shuf(kShuf, d6); + d8 = Shuf(kShuf, d8); + d7 = Xor(d7, d5); + d0 = Xor(d0, z); + d0 = Xor(d0, d6); + std::swap(d5, d11); + z = Fetch128(s + 32); + d1 = Add(d1, z); + d2 = Shuf(kShuf, d2); + d4 = Shuf(kShuf, d4); + d5 = Xor(d5, z); + d5 = Xor(d5, d2); + std::swap(d10, d4); + z = Fetch128(s + 48); + d6 = Add(d6, z); + d7 = Shuf(kShuf, d7); + d0 = Shuf(kShuf, d0); + d8 = Xor(d8, d6); + d1 = Xor(d1, z); + d1 = Add(d1, d7); + z = Fetch128(s + 64); + d2 = Add(d2, z); + d5 = Shuf(kShuf, d5); + d4 = Add(d4, d2); + d6 = Xor(d6, z); + d6 = Xor(d6, d11); + std::swap(d8, d2); + z = Fetch128(s + 80); + d7 = Xor(d7, z); + d8 = Shuf(kShuf, d8); + d1 = Shuf(kShuf, d1); + d0 = Add(d0, d7); + d2 = Add(d2, z); + d2 = Add(d2, d8); + std::swap(d1, d7); + z = Fetch128(s + 96); + d4 = Shuf(kShuf, d4); + d6 = Shuf(kShuf, d6); + d8 = Mul(kMult, d8); + d5 = Xor(d5, d11); + d7 = Xor(d7, z); + d7 = Add(d7, d4); + std::swap(d6, d0); + z = Fetch128(s + 112); + d8 = Add(d8, z); + d0 = Shuf(kShuf, d0); + d2 = Shuf(kShuf, d2); + d1 = Xor(d1, d8); + d10 = Xor(d10, z); + d10 = Xor(d10, d0); + std::swap(d11, d5); + z = Fetch128(s + 128); + d4 = Add(d4, z); + d5 = Shuf(kShuf, d5); + d7 = Shuf(kShuf, d7); + d6 = Add(d6, d4); + d8 = Xor(d8, z); + d8 = Xor(d8, d5); + std::swap(d4, d10); + z = Fetch128(s + 144); + d0 = Add(d0, z); + d1 = Shuf(kShuf, d1); + d2 = Add(d2, d0); + d4 = Xor(d4, z); + d4 = Xor(d4, d1); + z = Fetch128(s + 160); + d5 = Add(d5, z); + d6 = Shuf(kShuf, d6); + d8 = Shuf(kShuf, d8); + d7 = Xor(d7, d5); + d0 = Xor(d0, z); + d0 = Xor(d0, d6); + std::swap(d2, d8); + z = Fetch128(s + 176); + d1 = Add(d1, z); + d2 = Shuf(kShuf, d2); + d4 = Shuf(kShuf, d4); + d5 = Mul(kMult, d5); + d5 = Xor(d5, z); + d5 = Xor(d5, d2); + std::swap(d7, d1); + z = Fetch128(s + 192); + d6 = Add(d6, z); + d7 = Shuf(kShuf, d7); + d0 = Shuf(kShuf, d0); + d8 = Add(d8, d6); + d1 = Xor(d1, z); + d1 = Xor(d1, d7); + std::swap(d0, d6); + z = Fetch128(s + 208); + d2 = Add(d2, z); + d5 = Shuf(kShuf, d5); + d4 = Xor(d4, d2); + d6 = Xor(d6, z); + d6 = Xor(d6, d9); + std::swap(d5, d11); + z = Fetch128(s + 224); + d7 = Add(d7, z); + d8 = Shuf(kShuf, d8); + d1 = Shuf(kShuf, d1); + d0 = Xor(d0, d7); + d2 = Xor(d2, z); + d2 = Xor(d2, d8); + std::swap(d10, d4); + z = Fetch128(s + 240); + d3 = Add(d3, z); + d4 = Shuf(kShuf, d4); + d6 = Shuf(kShuf, d6); + d7 = Mul(kMult, d7); + d5 = Add(d5, d3); + d7 = Xor(d7, z); + d7 = Xor(d7, d4); + std::swap(d3, d9); + s += 256; + } while (s != end); + d6 = Add(Mul(kMult, d6), _mm_cvtsi64_si128(n)); + if (n % 256 != 0) { + d7 = Add(_mm_shuffle_epi32(d8, (0 << 6) + (3 << 4) + (2 << 2) + (1 << 0)), d7); + d8 = Add(Mul(kMult, d8), _mm_cvtsi64_si128(farmhashxo::Hash64(s, n % 256))); + } + __m128i t[8]; + d0 = Mul(kMult, Shuf(kShuf, Mul(kMult, d0))); + d3 = Mul(kMult, Shuf(kShuf, Mul(kMult, d3))); + d9 = Mul(kMult, Shuf(kShuf, Mul(kMult, d9))); + d1 = Mul(kMult, Shuf(kShuf, Mul(kMult, d1))); + d0 = Add(d11, d0); + d3 = Xor(d7, d3); + d9 = Add(d8, d9); + d1 = Add(d10, d1); + d4 = Add(d3, d4); + d5 = Add(d9, d5); + d6 = Xor(d1, d6); + d2 = Add(d0, d2); + t[0] = d0; + t[1] = d3; + t[2] = d9; + t[3] = d1; + t[4] = d4; + t[5] = d5; + t[6] = d6; + t[7] = d2; + return farmhashxo::Hash64(reinterpret_cast(t), sizeof(t)); +} + +uint64_t Hash64(const char *s, size_t len) { + // Empirically, farmhashxo seems faster until length 512. + return len >= 512 ? Hash64Long(s, len, k2, k1) : farmhashxo::Hash64(s, len); +} + +uint64_t Hash64WithSeed(const char *s, size_t len, uint64_t seed) { + return len >= 512 ? Hash64Long(s, len, k1, seed) : + farmhashxo::Hash64WithSeed(s, len, seed); +} + +uint64_t Hash64WithSeeds(const char *s, size_t len, uint64_t seed0, uint64_t seed1) { + return len >= 512 ? Hash64Long(s, len, seed0, seed1) : + farmhashxo::Hash64WithSeeds(s, len, seed0, seed1); +} + +#endif +} // namespace farmhashte +namespace farmhashnt { +#if !can_use_sse41 || !x86_64 + +uint32_t Hash32(const char *s, size_t len) { + FARMHASH_DIE_IF_MISCONFIGURED; + return s == NULL ? 0 : len; +} + +uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { + FARMHASH_DIE_IF_MISCONFIGURED; + return seed + Hash32(s, len); +} + +#else + +uint32_t Hash32(const char *s, size_t len) { + return static_cast(farmhashte::Hash64(s, len)); +} + +uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { + return static_cast(farmhashte::Hash64WithSeed(s, len, seed)); +} + +#endif +} // namespace farmhashnt +namespace farmhashmk { +#undef Fetch +#define Fetch Fetch32 + +#undef Rotate +#define Rotate Rotate32 + +#undef Bswap +#define Bswap Bswap32 + +STATIC_INLINE uint32_t Hash32Len13to24(const char *s, size_t len, uint32_t seed = 0) { + uint32_t a = Fetch(s - 4 + (len >> 1)); + uint32_t b = Fetch(s + 4); + uint32_t c = Fetch(s + len - 8); + uint32_t d = Fetch(s + (len >> 1)); + uint32_t e = Fetch(s); + uint32_t f = Fetch(s + len - 4); + uint32_t h = d * c1 + len + seed; + a = Rotate(a, 12) + f; + h = Mur(c, h) + a; + a = Rotate(a, 3) + c; + h = Mur(e, h) + a; + a = Rotate(a + f, 12) + d; + h = Mur(b ^ seed, h) + a; + return fmix(h); +} + +STATIC_INLINE uint32_t Hash32Len0to4(const char *s, size_t len, uint32_t seed = 0) { + uint32_t b = seed; + uint32_t c = 9; + for (size_t i = 0; i < len; i++) { + signed char v = s[i]; + b = b * c1 + v; + c ^= b; + } + return fmix(Mur(b, Mur(len, c))); +} + +STATIC_INLINE uint32_t Hash32Len5to12(const char *s, size_t len, uint32_t seed = 0) { + uint32_t a = len, b = len * 5, c = 9, d = b + seed; + a += Fetch(s); + b += Fetch(s + len - 4); + c += Fetch(s + ((len >> 1) & 4)); + return fmix(seed ^ Mur(c, Mur(b, Mur(a, d)))); +} + +uint32_t Hash32(const char *s, size_t len) { + if (len <= 24) { + return len <= 12 ? + (len <= 4 ? Hash32Len0to4(s, len) : Hash32Len5to12(s, len)) : + Hash32Len13to24(s, len); + } + + // len > 24 + uint32_t h = len, g = c1 * len, f = g; + uint32_t a0 = Rotate(Fetch(s + len - 4) * c1, 17) * c2; + uint32_t a1 = Rotate(Fetch(s + len - 8) * c1, 17) * c2; + uint32_t a2 = Rotate(Fetch(s + len - 16) * c1, 17) * c2; + uint32_t a3 = Rotate(Fetch(s + len - 12) * c1, 17) * c2; + uint32_t a4 = Rotate(Fetch(s + len - 20) * c1, 17) * c2; + h ^= a0; + h = Rotate(h, 19); + h = h * 5 + 0xe6546b64; + h ^= a2; + h = Rotate(h, 19); + h = h * 5 + 0xe6546b64; + g ^= a1; + g = Rotate(g, 19); + g = g * 5 + 0xe6546b64; + g ^= a3; + g = Rotate(g, 19); + g = g * 5 + 0xe6546b64; + f += a4; + f = Rotate(f, 19) + 113; + size_t iters = (len - 1) / 20; + do { + uint32_t a = Fetch(s); + uint32_t b = Fetch(s + 4); + uint32_t c = Fetch(s + 8); + uint32_t d = Fetch(s + 12); + uint32_t e = Fetch(s + 16); + h += a; + g += b; + f += c; + h = Mur(d, h) + e; + g = Mur(c, g) + a; + f = Mur(b + e * c1, f) + d; + f += g; + g += f; + s += 20; + } while (--iters != 0); + g = Rotate(g, 11) * c1; + g = Rotate(g, 17) * c1; + f = Rotate(f, 11) * c1; + f = Rotate(f, 17) * c1; + h = Rotate(h + g, 19); + h = h * 5 + 0xe6546b64; + h = Rotate(h, 17) * c1; + h = Rotate(h + f, 19); + h = h * 5 + 0xe6546b64; + h = Rotate(h, 17) * c1; + return h; +} + +uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { + if (len <= 24) { + if (len >= 13) return Hash32Len13to24(s, len, seed * c1); + else if (len >= 5) return Hash32Len5to12(s, len, seed); + else return Hash32Len0to4(s, len, seed); + } + uint32_t h = Hash32Len13to24(s, 24, seed ^ len); + return Mur(Hash32(s + 24, len - 24) + seed, h); +} +} // namespace farmhashmk +namespace farmhashsu { +#if !can_use_sse42 || !can_use_aesni + +uint32_t Hash32(const char *s, size_t len) { + FARMHASH_DIE_IF_MISCONFIGURED; + return s == NULL ? 0 : len; +} + +uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { + FARMHASH_DIE_IF_MISCONFIGURED; + return seed + Hash32(s, len); +} + +#else + +#undef Fetch +#define Fetch Fetch32 + +#undef Rotate +#define Rotate Rotate32 + +#undef Bswap +#define Bswap Bswap32 + +// Helpers for data-parallel operations (4x 32-bits). +STATIC_INLINE __m128i Add(__m128i x, __m128i y) { return _mm_add_epi32(x, y); } +STATIC_INLINE __m128i Xor(__m128i x, __m128i y) { return _mm_xor_si128(x, y); } +STATIC_INLINE __m128i Or(__m128i x, __m128i y) { return _mm_or_si128(x, y); } +STATIC_INLINE __m128i Mul(__m128i x, __m128i y) { return _mm_mullo_epi32(x, y); } +STATIC_INLINE __m128i Mul5(__m128i x) { return Add(x, _mm_slli_epi32(x, 2)); } +STATIC_INLINE __m128i RotateLeft(__m128i x, int c) { + return Or(_mm_slli_epi32(x, c), + _mm_srli_epi32(x, 32 - c)); +} +STATIC_INLINE __m128i Rol17(__m128i x) { return RotateLeft(x, 17); } +STATIC_INLINE __m128i Rol19(__m128i x) { return RotateLeft(x, 19); } +STATIC_INLINE __m128i Shuffle0321(__m128i x) { + return _mm_shuffle_epi32(x, (0 << 6) + (3 << 4) + (2 << 2) + (1 << 0)); +} + +uint32_t Hash32(const char *s, size_t len) { + const uint32_t seed = 81; + if (len <= 24) { + return len <= 12 ? + (len <= 4 ? + farmhashmk::Hash32Len0to4(s, len) : + farmhashmk::Hash32Len5to12(s, len)) : + farmhashmk::Hash32Len13to24(s, len); + } + + if (len < 40) { + uint32_t a = len, b = seed * c2, c = a + b; + a += Fetch(s + len - 4); + b += Fetch(s + len - 20); + c += Fetch(s + len - 16); + uint32_t d = a; + a = NAMESPACE_FOR_HASH_FUNCTIONS::Rotate32(a, 21); + a = Mur(a, Mur(b, _mm_crc32_u32(c, d))); + a += Fetch(s + len - 12); + b += Fetch(s + len - 8); + d += a; + a += d; + b = Mur(b, d) * c2; + a = _mm_crc32_u32(a, b + c); + return farmhashmk::Hash32Len13to24(s, (len + 1) / 2, a) + b; + } + +#undef Mulc1 +#define Mulc1(x) Mul((x), cc1) + +#undef Mulc2 +#define Mulc2(x) Mul((x), cc2) + +#undef Murk +#define Murk(a, h) \ + Add(k, \ + Mul5( \ + Rol19( \ + Xor( \ + Mulc2( \ + Rol17( \ + Mulc1(a))), \ + (h))))) + + const __m128i cc1 = _mm_set1_epi32(c1); + const __m128i cc2 = _mm_set1_epi32(c2); + __m128i h = _mm_set1_epi32(seed); + __m128i g = _mm_set1_epi32(c1 * seed); + __m128i f = g; + __m128i k = _mm_set1_epi32(0xe6546b64); + __m128i q; + if (len < 80) { + __m128i a = Fetch128(s); + __m128i b = Fetch128(s + 16); + __m128i c = Fetch128(s + (len - 15) / 2); + __m128i d = Fetch128(s + len - 32); + __m128i e = Fetch128(s + len - 16); + h = Add(h, a); + g = Add(g, b); + q = g; + g = Shuffle0321(g); + f = Add(f, c); + __m128i be = Add(b, Mulc1(e)); + h = Add(h, f); + f = Add(f, h); + h = Add(Murk(d, h), e); + k = Xor(k, _mm_shuffle_epi8(g, f)); + g = Add(Xor(c, g), a); + f = Add(Xor(be, f), d); + k = Add(k, be); + k = Add(k, _mm_shuffle_epi8(f, h)); + f = Add(f, g); + g = Add(g, f); + g = Add(_mm_set1_epi32(len), Mulc1(g)); + } else { + // len >= 80 + // The following is loosely modelled after farmhashmk::Hash32. + size_t iters = (len - 1) / 80; + len -= iters * 80; + +#undef Chunk +#define Chunk() do { \ + __m128i a = Fetch128(s); \ + __m128i b = Fetch128(s + 16); \ + __m128i c = Fetch128(s + 32); \ + __m128i d = Fetch128(s + 48); \ + __m128i e = Fetch128(s + 64); \ + h = Add(h, a); \ + g = Add(g, b); \ + g = Shuffle0321(g); \ + f = Add(f, c); \ + __m128i be = Add(b, Mulc1(e)); \ + h = Add(h, f); \ + f = Add(f, h); \ + h = Add(h, d); \ + q = Add(q, e); \ + h = Rol17(h); \ + h = Mulc1(h); \ + k = Xor(k, _mm_shuffle_epi8(g, f)); \ + g = Add(Xor(c, g), a); \ + f = Add(Xor(be, f), d); \ + std::swap(f, q); \ + q = _mm_aesimc_si128(q); \ + k = Add(k, be); \ + k = Add(k, _mm_shuffle_epi8(f, h)); \ + f = Add(f, g); \ + g = Add(g, f); \ + f = Mulc1(f); \ +} while (0) + + q = g; + while (iters-- != 0) { + Chunk(); + s += 80; + } + + if (len != 0) { + h = Add(h, _mm_set1_epi32(len)); + s = s + len - 80; + Chunk(); + } + } + + g = Shuffle0321(g); + k = Xor(k, g); + k = Xor(k, q); + h = Xor(h, q); + f = Mulc1(f); + k = Mulc2(k); + g = Mulc1(g); + h = Mulc2(h); + k = Add(k, _mm_shuffle_epi8(g, f)); + h = Add(h, f); + f = Add(f, h); + g = Add(g, k); + k = Add(k, g); + k = Xor(k, _mm_shuffle_epi8(f, h)); + __m128i buf[4]; + buf[0] = f; + buf[1] = g; + buf[2] = k; + buf[3] = h; + s = reinterpret_cast(buf); + uint32_t x = Fetch(s); + uint32_t y = Fetch(s+4); + uint32_t z = Fetch(s+8); + x = _mm_crc32_u32(x, Fetch(s+12)); + y = _mm_crc32_u32(y, Fetch(s+16)); + z = _mm_crc32_u32(z * c1, Fetch(s+20)); + x = _mm_crc32_u32(x, Fetch(s+24)); + y = _mm_crc32_u32(y * c1, Fetch(s+28)); + uint32_t o = y; + z = _mm_crc32_u32(z, Fetch(s+32)); + x = _mm_crc32_u32(x * c1, Fetch(s+36)); + y = _mm_crc32_u32(y, Fetch(s+40)); + z = _mm_crc32_u32(z * c1, Fetch(s+44)); + x = _mm_crc32_u32(x, Fetch(s+48)); + y = _mm_crc32_u32(y * c1, Fetch(s+52)); + z = _mm_crc32_u32(z, Fetch(s+56)); + x = _mm_crc32_u32(x, Fetch(s+60)); + return (o - x + y - z) * c1; +} + +#undef Chunk +#undef Murk +#undef Mulc2 +#undef Mulc1 + +uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { + if (len <= 24) { + if (len >= 13) return farmhashmk::Hash32Len13to24(s, len, seed * c1); + else if (len >= 5) return farmhashmk::Hash32Len5to12(s, len, seed); + else return farmhashmk::Hash32Len0to4(s, len, seed); + } + uint32_t h = farmhashmk::Hash32Len13to24(s, 24, seed ^ len); + return _mm_crc32_u32(Hash32(s + 24, len - 24) + seed, h); +} + +#endif +} // namespace farmhashsu +namespace farmhashsa { +#if !can_use_sse42 + +uint32_t Hash32(const char *s, size_t len) { + FARMHASH_DIE_IF_MISCONFIGURED; + return s == NULL ? 0 : len; +} + +uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { + FARMHASH_DIE_IF_MISCONFIGURED; + return seed + Hash32(s, len); +} + +#else + +#undef Fetch +#define Fetch Fetch32 + +#undef Rotate +#define Rotate Rotate32 + +#undef Bswap +#define Bswap Bswap32 + +// Helpers for data-parallel operations (4x 32-bits). +STATIC_INLINE __m128i Add(__m128i x, __m128i y) { return _mm_add_epi32(x, y); } +STATIC_INLINE __m128i Xor(__m128i x, __m128i y) { return _mm_xor_si128(x, y); } +STATIC_INLINE __m128i Or(__m128i x, __m128i y) { return _mm_or_si128(x, y); } +STATIC_INLINE __m128i Mul(__m128i x, __m128i y) { return _mm_mullo_epi32(x, y); } +STATIC_INLINE __m128i Mul5(__m128i x) { return Add(x, _mm_slli_epi32(x, 2)); } +STATIC_INLINE __m128i Rotate(__m128i x, int c) { + return Or(_mm_slli_epi32(x, c), + _mm_srli_epi32(x, 32 - c)); +} +STATIC_INLINE __m128i Rot17(__m128i x) { return Rotate(x, 17); } +STATIC_INLINE __m128i Rot19(__m128i x) { return Rotate(x, 19); } +STATIC_INLINE __m128i Shuffle0321(__m128i x) { + return _mm_shuffle_epi32(x, (0 << 6) + (3 << 4) + (2 << 2) + (1 << 0)); +} + +uint32_t Hash32(const char *s, size_t len) { + const uint32_t seed = 81; + if (len <= 24) { + return len <= 12 ? + (len <= 4 ? + farmhashmk::Hash32Len0to4(s, len) : + farmhashmk::Hash32Len5to12(s, len)) : + farmhashmk::Hash32Len13to24(s, len); + } + + if (len < 40) { + uint32_t a = len, b = seed * c2, c = a + b; + a += Fetch(s + len - 4); + b += Fetch(s + len - 20); + c += Fetch(s + len - 16); + uint32_t d = a; + a = NAMESPACE_FOR_HASH_FUNCTIONS::Rotate32(a, 21); + a = Mur(a, Mur(b, Mur(c, d))); + a += Fetch(s + len - 12); + b += Fetch(s + len - 8); + d += a; + a += d; + b = Mur(b, d) * c2; + a = _mm_crc32_u32(a, b + c); + return farmhashmk::Hash32Len13to24(s, (len + 1) / 2, a) + b; + } + +#undef Mulc1 +#define Mulc1(x) Mul((x), cc1) + +#undef Mulc2 +#define Mulc2(x) Mul((x), cc2) + +#undef Murk +#define Murk(a, h) \ + Add(k, \ + Mul5( \ + Rot19( \ + Xor( \ + Mulc2( \ + Rot17( \ + Mulc1(a))), \ + (h))))) + + const __m128i cc1 = _mm_set1_epi32(c1); + const __m128i cc2 = _mm_set1_epi32(c2); + __m128i h = _mm_set1_epi32(seed); + __m128i g = _mm_set1_epi32(c1 * seed); + __m128i f = g; + __m128i k = _mm_set1_epi32(0xe6546b64); + if (len < 80) { + __m128i a = Fetch128(s); + __m128i b = Fetch128(s + 16); + __m128i c = Fetch128(s + (len - 15) / 2); + __m128i d = Fetch128(s + len - 32); + __m128i e = Fetch128(s + len - 16); + h = Add(h, a); + g = Add(g, b); + g = Shuffle0321(g); + f = Add(f, c); + __m128i be = Add(b, Mulc1(e)); + h = Add(h, f); + f = Add(f, h); + h = Add(Murk(d, h), e); + k = Xor(k, _mm_shuffle_epi8(g, f)); + g = Add(Xor(c, g), a); + f = Add(Xor(be, f), d); + k = Add(k, be); + k = Add(k, _mm_shuffle_epi8(f, h)); + f = Add(f, g); + g = Add(g, f); + g = Add(_mm_set1_epi32(len), Mulc1(g)); + } else { + // len >= 80 + // The following is loosely modelled after farmhashmk::Hash32. + size_t iters = (len - 1) / 80; + len -= iters * 80; + +#undef Chunk +#define Chunk() do { \ + __m128i a = Fetch128(s); \ + __m128i b = Fetch128(s + 16); \ + __m128i c = Fetch128(s + 32); \ + __m128i d = Fetch128(s + 48); \ + __m128i e = Fetch128(s + 64); \ + h = Add(h, a); \ + g = Add(g, b); \ + g = Shuffle0321(g); \ + f = Add(f, c); \ + __m128i be = Add(b, Mulc1(e)); \ + h = Add(h, f); \ + f = Add(f, h); \ + h = Add(Murk(d, h), e); \ + k = Xor(k, _mm_shuffle_epi8(g, f)); \ + g = Add(Xor(c, g), a); \ + f = Add(Xor(be, f), d); \ + k = Add(k, be); \ + k = Add(k, _mm_shuffle_epi8(f, h)); \ + f = Add(f, g); \ + g = Add(g, f); \ + f = Mulc1(f); \ +} while (0) + + while (iters-- != 0) { + Chunk(); + s += 80; + } + + if (len != 0) { + h = Add(h, _mm_set1_epi32(len)); + s = s + len - 80; + Chunk(); + } + } + + g = Shuffle0321(g); + k = Xor(k, g); + f = Mulc1(f); + k = Mulc2(k); + g = Mulc1(g); + h = Mulc2(h); + k = Add(k, _mm_shuffle_epi8(g, f)); + h = Add(h, f); + f = Add(f, h); + g = Add(g, k); + k = Add(k, g); + k = Xor(k, _mm_shuffle_epi8(f, h)); + __m128i buf[4]; + buf[0] = f; + buf[1] = g; + buf[2] = k; + buf[3] = h; + s = reinterpret_cast(buf); + uint32_t x = Fetch(s); + uint32_t y = Fetch(s+4); + uint32_t z = Fetch(s+8); + x = _mm_crc32_u32(x, Fetch(s+12)); + y = _mm_crc32_u32(y, Fetch(s+16)); + z = _mm_crc32_u32(z * c1, Fetch(s+20)); + x = _mm_crc32_u32(x, Fetch(s+24)); + y = _mm_crc32_u32(y * c1, Fetch(s+28)); + uint32_t o = y; + z = _mm_crc32_u32(z, Fetch(s+32)); + x = _mm_crc32_u32(x * c1, Fetch(s+36)); + y = _mm_crc32_u32(y, Fetch(s+40)); + z = _mm_crc32_u32(z * c1, Fetch(s+44)); + x = _mm_crc32_u32(x, Fetch(s+48)); + y = _mm_crc32_u32(y * c1, Fetch(s+52)); + z = _mm_crc32_u32(z, Fetch(s+56)); + x = _mm_crc32_u32(x, Fetch(s+60)); + return (o - x + y - z) * c1; +} + +#undef Chunk +#undef Murk +#undef Mulc2 +#undef Mulc1 + +uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { + if (len <= 24) { + if (len >= 13) return farmhashmk::Hash32Len13to24(s, len, seed * c1); + else if (len >= 5) return farmhashmk::Hash32Len5to12(s, len, seed); + else return farmhashmk::Hash32Len0to4(s, len, seed); + } + uint32_t h = farmhashmk::Hash32Len13to24(s, 24, seed ^ len); + return _mm_crc32_u32(Hash32(s + 24, len - 24) + seed, h); +} + +#endif +} // namespace farmhashsa +namespace farmhashcc { +// This file provides a 32-bit hash equivalent to CityHash32 (v1.1.1) +// and a 128-bit hash equivalent to CityHash128 (v1.1.1). It also provides +// a seeded 32-bit hash function similar to CityHash32. + +#undef Fetch +#define Fetch Fetch32 + +#undef Rotate +#define Rotate Rotate32 + +#undef Bswap +#define Bswap Bswap32 + +STATIC_INLINE uint32_t Hash32Len13to24(const char *s, size_t len) { + uint32_t a = Fetch(s - 4 + (len >> 1)); + uint32_t b = Fetch(s + 4); + uint32_t c = Fetch(s + len - 8); + uint32_t d = Fetch(s + (len >> 1)); + uint32_t e = Fetch(s); + uint32_t f = Fetch(s + len - 4); + uint32_t h = len; + + return fmix(Mur(f, Mur(e, Mur(d, Mur(c, Mur(b, Mur(a, h))))))); +} + +STATIC_INLINE uint32_t Hash32Len0to4(const char *s, size_t len) { + uint32_t b = 0; + uint32_t c = 9; + for (size_t i = 0; i < len; i++) { + signed char v = s[i]; + b = b * c1 + v; + c ^= b; + } + return fmix(Mur(b, Mur(len, c))); +} + +STATIC_INLINE uint32_t Hash32Len5to12(const char *s, size_t len) { + uint32_t a = len, b = len * 5, c = 9, d = b; + a += Fetch(s); + b += Fetch(s + len - 4); + c += Fetch(s + ((len >> 1) & 4)); + return fmix(Mur(c, Mur(b, Mur(a, d)))); +} + +uint32_t Hash32(const char *s, size_t len) { + if (len <= 24) { + return len <= 12 ? + (len <= 4 ? Hash32Len0to4(s, len) : Hash32Len5to12(s, len)) : + Hash32Len13to24(s, len); + } + + // len > 24 + uint32_t h = len, g = c1 * len, f = g; + uint32_t a0 = Rotate(Fetch(s + len - 4) * c1, 17) * c2; + uint32_t a1 = Rotate(Fetch(s + len - 8) * c1, 17) * c2; + uint32_t a2 = Rotate(Fetch(s + len - 16) * c1, 17) * c2; + uint32_t a3 = Rotate(Fetch(s + len - 12) * c1, 17) * c2; + uint32_t a4 = Rotate(Fetch(s + len - 20) * c1, 17) * c2; + h ^= a0; + h = Rotate(h, 19); + h = h * 5 + 0xe6546b64; + h ^= a2; + h = Rotate(h, 19); + h = h * 5 + 0xe6546b64; + g ^= a1; + g = Rotate(g, 19); + g = g * 5 + 0xe6546b64; + g ^= a3; + g = Rotate(g, 19); + g = g * 5 + 0xe6546b64; + f += a4; + f = Rotate(f, 19); + f = f * 5 + 0xe6546b64; + size_t iters = (len - 1) / 20; + do { + uint32_t a0 = Rotate(Fetch(s) * c1, 17) * c2; + uint32_t a1 = Fetch(s + 4); + uint32_t a2 = Rotate(Fetch(s + 8) * c1, 17) * c2; + uint32_t a3 = Rotate(Fetch(s + 12) * c1, 17) * c2; + uint32_t a4 = Fetch(s + 16); + h ^= a0; + h = Rotate(h, 18); + h = h * 5 + 0xe6546b64; + f += a1; + f = Rotate(f, 19); + f = f * c1; + g += a2; + g = Rotate(g, 18); + g = g * 5 + 0xe6546b64; + h ^= a3 + a1; + h = Rotate(h, 19); + h = h * 5 + 0xe6546b64; + g ^= a4; + g = Bswap(g) * 5; + h += a4 * 5; + h = Bswap(h); + f += a0; + PERMUTE3(f, h, g); + s += 20; + } while (--iters != 0); + g = Rotate(g, 11) * c1; + g = Rotate(g, 17) * c1; + f = Rotate(f, 11) * c1; + f = Rotate(f, 17) * c1; + h = Rotate(h + g, 19); + h = h * 5 + 0xe6546b64; + h = Rotate(h, 17) * c1; + h = Rotate(h + f, 19); + h = h * 5 + 0xe6546b64; + h = Rotate(h, 17) * c1; + return h; +} + +uint32_t Hash32WithSeed(const char *s, size_t len, uint32_t seed) { + if (len <= 24) { + if (len >= 13) return farmhashmk::Hash32Len13to24(s, len, seed * c1); + else if (len >= 5) return farmhashmk::Hash32Len5to12(s, len, seed); + else return farmhashmk::Hash32Len0to4(s, len, seed); + } + uint32_t h = farmhashmk::Hash32Len13to24(s, 24, seed ^ len); + return Mur(Hash32(s + 24, len - 24) + seed, h); +} + +#undef Fetch +#define Fetch Fetch64 + +#undef Rotate +#define Rotate Rotate64 + +#undef Bswap +#define Bswap Bswap64 + +STATIC_INLINE uint64_t ShiftMix(uint64_t val) { + return val ^ (val >> 47); +} + +STATIC_INLINE uint64_t HashLen16(uint64_t u, uint64_t v) { + return Hash128to64(Uint128(u, v)); +} + +STATIC_INLINE uint64_t HashLen16(uint64_t u, uint64_t v, uint64_t mul) { + // Murmur-inspired hashing. + uint64_t a = (u ^ v) * mul; + a ^= (a >> 47); + uint64_t b = (v ^ a) * mul; + b ^= (b >> 47); + b *= mul; + return b; +} + +STATIC_INLINE uint64_t HashLen0to16(const char *s, size_t len) { + if (len >= 8) { + uint64_t mul = k2 + len * 2; + uint64_t a = Fetch(s) + k2; + uint64_t b = Fetch(s + len - 8); + uint64_t c = Rotate(b, 37) * mul + a; + uint64_t d = (Rotate(a, 25) + b) * mul; + return HashLen16(c, d, mul); + } + if (len >= 4) { + uint64_t mul = k2 + len * 2; + uint64_t a = Fetch32(s); + return HashLen16(len + (a << 3), Fetch32(s + len - 4), mul); + } + if (len > 0) { + uint8_t a = s[0]; + uint8_t b = s[len >> 1]; + uint8_t c = s[len - 1]; + uint32_t y = static_cast(a) + (static_cast(b) << 8); + uint32_t z = len + (static_cast(c) << 2); + return ShiftMix(y * k2 ^ z * k0) * k2; + } + return k2; +} + +// Return a 16-byte hash for 48 bytes. Quick and dirty. +// Callers do best to use "random-looking" values for a and b. +STATIC_INLINE pair WeakHashLen32WithSeeds( + uint64_t w, uint64_t x, uint64_t y, uint64_t z, uint64_t a, uint64_t b) { + a += w; + b = Rotate(b + a + z, 21); + uint64_t c = a; + a += x; + a += y; + b += Rotate(a, 44); + return make_pair(a + z, b + c); +} + +// Return a 16-byte hash for s[0] ... s[31], a, and b. Quick and dirty. +STATIC_INLINE pair WeakHashLen32WithSeeds( + const char* s, uint64_t a, uint64_t b) { + return WeakHashLen32WithSeeds(Fetch(s), + Fetch(s + 8), + Fetch(s + 16), + Fetch(s + 24), + a, + b); +} + + + +// A subroutine for CityHash128(). Returns a decent 128-bit hash for strings +// of any length representable in signed long. Based on City and Murmur. +STATIC_INLINE uint128_t CityMurmur(const char *s, size_t len, uint128_t seed) { + uint64_t a = Uint128Low64(seed); + uint64_t b = Uint128High64(seed); + uint64_t c = 0; + uint64_t d = 0; + signed long l = len - 16; + if (l <= 0) { // len <= 16 + a = ShiftMix(a * k1) * k1; + c = b * k1 + HashLen0to16(s, len); + d = ShiftMix(a + (len >= 8 ? Fetch(s) : c)); + } else { // len > 16 + c = HashLen16(Fetch(s + len - 8) + k1, a); + d = HashLen16(b + len, c + Fetch(s + len - 16)); + a += d; + do { + a ^= ShiftMix(Fetch(s) * k1) * k1; + a *= k1; + b ^= a; + c ^= ShiftMix(Fetch(s + 8) * k1) * k1; + c *= k1; + d ^= c; + s += 16; + l -= 16; + } while (l > 0); + } + a = HashLen16(a, c); + b = HashLen16(d, b); + return Uint128(a ^ b, HashLen16(b, a)); +} + +uint128_t CityHash128WithSeed(const char *s, size_t len, uint128_t seed) { + if (len < 128) { + return CityMurmur(s, len, seed); + } + + // We expect len >= 128 to be the common case. Keep 56 bytes of state: + // v, w, x, y, and z. + pair v, w; + uint64_t x = Uint128Low64(seed); + uint64_t y = Uint128High64(seed); + uint64_t z = len * k1; + v.first = Rotate(y ^ k1, 49) * k1 + Fetch(s); + v.second = Rotate(v.first, 42) * k1 + Fetch(s + 8); + w.first = Rotate(y + z, 35) * k1 + x; + w.second = Rotate(x + Fetch(s + 88), 53) * k1; + + // This is the same inner loop as CityHash64(), manually unrolled. + do { + x = Rotate(x + y + v.first + Fetch(s + 8), 37) * k1; + y = Rotate(y + v.second + Fetch(s + 48), 42) * k1; + x ^= w.second; + y += v.first + Fetch(s + 40); + z = Rotate(z + w.first, 33) * k1; + v = WeakHashLen32WithSeeds(s, v.second * k1, x + w.first); + w = WeakHashLen32WithSeeds(s + 32, z + w.second, y + Fetch(s + 16)); + std::swap(z, x); + s += 64; + x = Rotate(x + y + v.first + Fetch(s + 8), 37) * k1; + y = Rotate(y + v.second + Fetch(s + 48), 42) * k1; + x ^= w.second; + y += v.first + Fetch(s + 40); + z = Rotate(z + w.first, 33) * k1; + v = WeakHashLen32WithSeeds(s, v.second * k1, x + w.first); + w = WeakHashLen32WithSeeds(s + 32, z + w.second, y + Fetch(s + 16)); + std::swap(z, x); + s += 64; + len -= 128; + } while (LIKELY(len >= 128)); + x += Rotate(v.first + z, 49) * k0; + y = y * k0 + Rotate(w.second, 37); + z = z * k0 + Rotate(w.first, 27); + w.first *= 9; + v.first *= k0; + // If 0 < len < 128, hash up to 4 chunks of 32 bytes each from the end of s. + for (size_t tail_done = 0; tail_done < len; ) { + tail_done += 32; + y = Rotate(x + y, 42) * k0 + v.second; + w.first += Fetch(s + len - tail_done + 16); + x = x * k0 + w.first; + z += w.second + Fetch(s + len - tail_done); + w.second += v.first; + v = WeakHashLen32WithSeeds(s + len - tail_done, v.first + z, v.second); + v.first *= k0; + } + // At this point our 56 bytes of state should contain more than + // enough information for a strong 128-bit hash. We use two + // different 56-byte-to-8-byte hashes to get a 16-byte final result. + x = HashLen16(x, v.first); + y = HashLen16(y + z, w.first); + return Uint128(HashLen16(x + v.second, w.second) + y, + HashLen16(x + w.second, y + v.second)); +} + +STATIC_INLINE uint128_t CityHash128(const char *s, size_t len) { + return len >= 16 ? + CityHash128WithSeed(s + 16, len - 16, + Uint128(Fetch(s), Fetch(s + 8) + k0)) : + CityHash128WithSeed(s, len, Uint128(k0, k1)); +} + +uint128_t Fingerprint128(const char* s, size_t len) { + return CityHash128(s, len); +} +} // namespace farmhashcc +namespace NAMESPACE_FOR_HASH_FUNCTIONS { + +// BASIC STRING HASHING + +// Hash function for a byte array. See also Hash(), below. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +uint32_t Hash32(const char* s, size_t len) { + return DebugTweak( + (can_use_sse41 & x86_64) ? farmhashnt::Hash32(s, len) : + (can_use_sse42 & can_use_aesni) ? farmhashsu::Hash32(s, len) : + can_use_sse42 ? farmhashsa::Hash32(s, len) : + farmhashmk::Hash32(s, len)); +} + +// Hash function for a byte array. For convenience, a 32-bit seed is also +// hashed into the result. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +uint32_t Hash32WithSeed(const char* s, size_t len, uint32_t seed) { + return DebugTweak( + (can_use_sse41 & x86_64) ? farmhashnt::Hash32WithSeed(s, len, seed) : + (can_use_sse42 & can_use_aesni) ? farmhashsu::Hash32WithSeed(s, len, seed) : + can_use_sse42 ? farmhashsa::Hash32WithSeed(s, len, seed) : + farmhashmk::Hash32WithSeed(s, len, seed)); +} + +// Hash function for a byte array. For convenience, a 64-bit seed is also +// hashed into the result. See also Hash(), below. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +uint64_t Hash64(const char* s, size_t len) { + return DebugTweak( + (can_use_sse42 & x86_64) ? + farmhashte::Hash64(s, len) : + farmhashxo::Hash64(s, len)); +} + +// Hash function for a byte array. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +size_t Hash(const char* s, size_t len) { + return sizeof(size_t) == 8 ? Hash64(s, len) : Hash32(s, len); +} + +// Hash function for a byte array. For convenience, a 64-bit seed is also +// hashed into the result. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +uint64_t Hash64WithSeed(const char* s, size_t len, uint64_t seed) { + return DebugTweak(farmhashna::Hash64WithSeed(s, len, seed)); +} + +// Hash function for a byte array. For convenience, two seeds are also +// hashed into the result. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +uint64_t Hash64WithSeeds(const char* s, size_t len, uint64_t seed0, uint64_t seed1) { + return DebugTweak(farmhashna::Hash64WithSeeds(s, len, seed0, seed1)); +} + +// Hash function for a byte array. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +uint128_t Hash128(const char* s, size_t len) { + return DebugTweak(farmhashcc::Fingerprint128(s, len)); +} + +// Hash function for a byte array. For convenience, a 128-bit seed is also +// hashed into the result. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +uint128_t Hash128WithSeed(const char* s, size_t len, uint128_t seed) { + return DebugTweak(farmhashcc::CityHash128WithSeed(s, len, seed)); +} + +// BASIC NON-STRING HASHING + +// FINGERPRINTING (i.e., good, portable, forever-fixed hash functions) + +// Fingerprint function for a byte array. Most useful in 32-bit binaries. +uint32_t Fingerprint32(const char* s, size_t len) { + return farmhashmk::Hash32(s, len); +} + +// Fingerprint function for a byte array. +uint64_t Fingerprint64(const char* s, size_t len) { + return farmhashna::Hash64(s, len); +} + +// Fingerprint function for a byte array. +uint128_t Fingerprint128(const char* s, size_t len) { + return farmhashcc::Fingerprint128(s, len); +} + +// Older and still available but perhaps not as fast as the above: +// farmhashns::Hash32{,WithSeed}() + +} // namespace NAMESPACE_FOR_HASH_FUNCTIONS + +#if FARMHASHSELFTEST + +#ifndef FARMHASH_SELF_TEST_GUARD +#define FARMHASH_SELF_TEST_GUARD +#include +#include +#include + +using std::cout; +using std::cerr; +using std::endl; +using std::hex; + +static const uint64_t kSeed0 = 1234567; +static const uint64_t kSeed1 = k0; +static const int kDataSize = 1 << 20; +static const int kTestSize = 300; +#define kSeed128 Uint128(kSeed0, kSeed1) + +static char data[kDataSize]; + +static int completed_self_tests = 0; +static int errors = 0; + +// Initialize data to pseudorandom values. +void Setup() { + if (completed_self_tests == 0) { + uint64_t a = 9; + uint64_t b = 777; + for (int i = 0; i < kDataSize; i++) { + a += b; + b += a; + a = (a ^ (a >> 41)) * k0; + b = (b ^ (b >> 41)) * k0 + i; + uint8_t u = b >> 37; + memcpy(data + i, &u, 1); // uint8_t -> char + } + } +} + +int NoteErrors() { +#define NUM_SELF_TESTS 9 + if (++completed_self_tests == NUM_SELF_TESTS) + std::exit(errors > 0); + return errors; +} + +template inline bool IsNonZero(T x) { + return x != 0; +} + +template <> inline bool IsNonZero(uint128_t x) { + return x != Uint128(0, 0); +} + +#endif // FARMHASH_SELF_TEST_GUARD + +namespace farmhashccTest { + +uint32_t CreateSeed(int offset, int salt) { + uint32_t h = static_cast(salt & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h += static_cast(offset & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + return h; +} + +#undef SEED +#undef SEED1 +#undef SEED0 +#define SEED CreateSeed(offset, -1) +#define SEED0 CreateSeed(offset, 0) +#define SEED1 CreateSeed(offset, 1) + +#undef TESTING +#define TESTING 1 +#if TESTING +uint32_t expected[] = { +4223616069u, +3696677242u, +1039179260u, 1690343979u, 1018511555u, 2464489001u, +20368522u, 2663783964u, 175201532u, 1619210592u, +4081014168u, +2576519988u, +3285042206u, 502478099u, 739479538u, 1500332790u, +13754768u, 3789353455u, 3473868058u, 1909255088u, +2212771159u, +1112731063u, +826915357u, 2893489933u, 118369799u, 1848668220u, +1308219822u, 249416982u, 64306364u, 4221800195u, +1020067935u, +3955445564u, +563346294u, 550236731u, 2339016688u, 1826259714u, +3872358639u, 2295981050u, 1870005390u, 4015628802u, +1451961420u, +653440099u, +1292493871u, 164377749u, 1717712483u, 463414587u, +3924343675u, 1050492084u, 3566618804u, 2046983362u, +31917516u, +2957164615u, 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3756787754u, 1152563554u, 1718750948u, +777737463u, +1402478860u, +1824562784u, 1879401449u, 3515818786u, 513165201u, +1423491227u, 2103067918u, 2291777410u, 1097943000u, +}; + +// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. +bool Test(int offset, int len = 0) { +#undef Check +#undef IsAlive + +#define Check(x) do { \ + const uint32_t actual = (x), e = expected[index++]; \ + bool ok = actual == e; \ + if (!ok) { \ + cerr << "expected " << hex << e << " but got " << actual << endl; \ + ++errors; \ + } \ + assert(ok); \ +} while (0) + +#define IsAlive(x) do { alive += IsNonZero(x); } while (0) + + // After the following line is where the uses of "Check" and such will go. + static int index = 0; +if (offset == -1) { int alive = 0; IsAlive(farmhashcc::Hash32WithSeed(data, len++, SEED)); IsAlive(farmhashcc::Hash32(data, len++)); { uint128_t u = farmhashcc::Fingerprint128(data, len++); uint64_t h = Uint128Low64(u); IsAlive(h >> 32); IsAlive((h << 32) >> 32); h = Uint128High64(u); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } len -= 3; return alive > 0; } +Check(farmhashcc::Hash32WithSeed(data + offset, len, SEED)); +Check(farmhashcc::Hash32(data + offset, len)); +{ uint128_t u = farmhashcc::Fingerprint128(data + offset, len); uint64_t h = Uint128Low64(u); Check(h >> 32); Check((h << 32) >> 32); h = Uint128High64(u); Check(h >> 32); Check((h << 32) >> 32); } +{ uint128_t u = farmhashcc::CityHash128WithSeed(data + offset, len, Uint128(SEED0, SEED1)); uint64_t h = Uint128Low64(u); Check(h >> 32); Check((h << 32) >> 32); h = Uint128High64(u); Check(h >> 32); Check((h << 32) >> 32); } + + return true; +#undef Check +#undef IsAlive +} + +int RunTest() { + Setup(); + int i = 0; + cout << "Running farmhashccTest"; + if (!Test(-1)) { + cout << "... Unavailable\n"; + return NoteErrors(); + } + // Good. The function is attempting to hash, so run the full test. + int errors_prior_to_test = errors; + for ( ; i < kTestSize - 1; i++) { + Test(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + Test(0, i); + } + Test(0, kDataSize); + cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); + return NoteErrors(); +} + +#else + +// After the following line is where the code to print hash codes will go. +void Dump(int offset, int len) { +cout << farmhashcc::Hash32WithSeed(data + offset, len, SEED) << "u," << endl; +cout << farmhashcc::Hash32(data + offset, len) << "u," << endl; +{ uint128_t u = farmhashcc::Fingerprint128(data + offset, len); uint64_t h = Uint128Low64(u); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u, "; h = Uint128High64(u); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } +{ uint128_t u = farmhashcc::CityHash128WithSeed(data + offset, len, Uint128(SEED0, SEED1)); uint64_t h = Uint128Low64(u); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u, "; h = Uint128High64(u); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } +} + +#endif + +#undef SEED +#undef SEED1 +#undef SEED0 + +} // namespace farmhashccTest + +#if !TESTING +int main(int argc, char** argv) { + Setup(); + cout << "uint32_t expected[] = {\n"; + int i = 0; + for ( ; i < kTestSize - 1; i++) { + farmhashccTest::Dump(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + farmhashccTest::Dump(0, i); + } + farmhashccTest::Dump(0, kDataSize); + cout << "};\n"; +} +#endif +#ifndef FARMHASH_SELF_TEST_GUARD +#define FARMHASH_SELF_TEST_GUARD +#include +#include +#include + +using std::cout; +using std::cerr; +using std::endl; +using std::hex; + +static const uint64_t kSeed0 = 1234567; +static const uint64_t kSeed1 = k0; +static const int kDataSize = 1 << 20; +static const int kTestSize = 300; +#define kSeed128 Uint128(kSeed0, kSeed1) + +static char data[kDataSize]; + +static int completed_self_tests = 0; +static int errors = 0; + +// Initialize data to pseudorandom values. +void Setup() { + if (completed_self_tests == 0) { + uint64_t a = 9; + uint64_t b = 777; + for (int i = 0; i < kDataSize; i++) { + a += b; + b += a; + a = (a ^ (a >> 41)) * k0; + b = (b ^ (b >> 41)) * k0 + i; + uint8_t u = b >> 37; + memcpy(data + i, &u, 1); // uint8_t -> char + } + } +} + +int NoteErrors() { +#define NUM_SELF_TESTS 9 + if (++completed_self_tests == NUM_SELF_TESTS) + std::exit(errors > 0); + return errors; +} + +template inline bool IsNonZero(T x) { + return x != 0; +} + +template <> inline bool IsNonZero(uint128_t x) { + return x != Uint128(0, 0); +} + +#endif // FARMHASH_SELF_TEST_GUARD + +namespace farmhashmkTest { + +uint32_t CreateSeed(int offset, int salt) { + uint32_t h = static_cast(salt & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h += static_cast(offset & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + return h; +} + +#undef SEED +#undef SEED1 +#undef SEED0 +#define SEED CreateSeed(offset, -1) +#define SEED0 CreateSeed(offset, 0) +#define SEED1 CreateSeed(offset, 1) + +#undef TESTING +#define TESTING 1 +#if TESTING +uint32_t expected[] = { +4223616069u, +3696677242u, +4081014168u, 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offset is -1 and a spot check of 3 hashes all yield 0. +bool Test(int offset, int len = 0) { +#undef Check +#undef IsAlive + +#define Check(x) do { \ + const uint32_t actual = (x), e = expected[index++]; \ + bool ok = actual == e; \ + if (!ok) { \ + cerr << "expected " << hex << e << " but got " << actual << endl; \ + ++errors; \ + } \ + assert(ok); \ +} while (0) + +#define IsAlive(x) do { alive += IsNonZero(x); } while (0) + + // After the following line is where the uses of "Check" and such will go. + static int index = 0; +if (offset == -1) { int alive = 0; IsAlive(farmhashmk::Hash32WithSeed(data, len++, SEED)); IsAlive(farmhashmk::Hash32(data, len++)); IsAlive(farmhashmk::Hash32(data, len++)); len -= 3; return alive > 0; } +Check(farmhashmk::Hash32WithSeed(data + offset, len, SEED)); +Check(farmhashmk::Hash32(data + offset, len)); + + return true; +#undef Check +#undef IsAlive +} + +int RunTest() { + Setup(); + int i = 0; + cout << "Running farmhashmkTest"; + if (!Test(-1)) { + cout << "... Unavailable\n"; + return NoteErrors(); + } + // Good. The function is attempting to hash, so run the full test. + int errors_prior_to_test = errors; + for ( ; i < kTestSize - 1; i++) { + Test(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + Test(0, i); + } + Test(0, kDataSize); + cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); + return NoteErrors(); +} + +#else + +// After the following line is where the code to print hash codes will go. +void Dump(int offset, int len) { +cout << farmhashmk::Hash32WithSeed(data + offset, len, SEED) << "u," << endl; +cout << farmhashmk::Hash32(data + offset, len) << "u," << endl; +} + +#endif + +#undef SEED +#undef SEED1 +#undef SEED0 + +} // namespace farmhashmkTest + +#if !TESTING +int main(int argc, char** argv) { + Setup(); + cout << "uint32_t expected[] = {\n"; + int i = 0; + for ( ; i < kTestSize - 1; i++) { + farmhashmkTest::Dump(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + farmhashmkTest::Dump(0, i); + } + farmhashmkTest::Dump(0, kDataSize); + cout << "};\n"; +} +#endif +#ifndef FARMHASH_SELF_TEST_GUARD +#define FARMHASH_SELF_TEST_GUARD +#include +#include +#include + +using std::cout; +using std::cerr; +using std::endl; +using std::hex; + +static const uint64_t kSeed0 = 1234567; +static const uint64_t kSeed1 = k0; +static const int kDataSize = 1 << 20; +static const int kTestSize = 300; +#define kSeed128 Uint128(kSeed0, kSeed1) + +static char data[kDataSize]; + +static int completed_self_tests = 0; +static int errors = 0; + +// Initialize data to pseudorandom values. +void Setup() { + if (completed_self_tests == 0) { + uint64_t a = 9; + uint64_t b = 777; + for (int i = 0; i < kDataSize; i++) { + a += b; + b += a; + a = (a ^ (a >> 41)) * k0; + b = (b ^ (b >> 41)) * k0 + i; + uint8_t u = b >> 37; + memcpy(data + i, &u, 1); // uint8_t -> char + } + } +} + +int NoteErrors() { +#define NUM_SELF_TESTS 9 + if (++completed_self_tests == NUM_SELF_TESTS) + std::exit(errors > 0); + return errors; +} + +template inline bool IsNonZero(T x) { + return x != 0; +} + +template <> inline bool IsNonZero(uint128_t x) { + return x != Uint128(0, 0); +} + +#endif // FARMHASH_SELF_TEST_GUARD + +namespace farmhashnaTest { + +uint32_t CreateSeed(int offset, int salt) { + uint32_t h = static_cast(salt & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h += static_cast(offset & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + return h; +} + +#undef SEED +#undef SEED1 +#undef SEED0 +#define SEED CreateSeed(offset, -1) +#define SEED0 CreateSeed(offset, 0) +#define SEED1 CreateSeed(offset, 1) + +#undef TESTING +#define TESTING 1 +#if TESTING +uint32_t expected[] = { +1140953930u, 861465670u, +3277735313u, 2681724312u, +2598464059u, 797982799u, +890626835u, 800175912u, +2603993599u, 921001710u, +1410420968u, 2134990486u, +3283896453u, 1867689945u, +2914424215u, 2244477846u, +255297188u, 2992121793u, +1110588164u, 4186314283u, +161451183u, 3943596029u, +4019337850u, 452431531u, +283198166u, 2741341286u, +3379021470u, 2557197665u, +299850021u, 2532580744u, +452473466u, 1706958772u, +1298374911u, 3099673830u, +2199864459u, 3696623795u, +236935126u, 2976578695u, +4055299123u, 3281581178u, +1053458494u, 1882212500u, 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2271365865u, +3880613089u, 739218494u, +547346027u, 388559045u, +3147335977u, 176230425u, +3094853730u, 2554321205u, +1495176194u, 4093461535u, +3521297827u, 4108148413u, +1913727929u, 1177947623u, +1911655402u, 1053371241u, +3265708874u, 1266515850u, +1045540427u, 3194420196u, +3717104621u, 1144474110u, +1464392345u, 52070157u, +4144237690u, 3350490823u, +4166253320u, 2747410691u, +}; + +// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. +bool Test(int offset, int len = 0) { +#undef Check +#undef IsAlive + +#define Check(x) do { \ + const uint32_t actual = (x), e = expected[index++]; \ + bool ok = actual == e; \ + if (!ok) { \ + cerr << "expected " << hex << e << " but got " << actual << endl; \ + ++errors; \ + } \ + assert(ok); \ +} while (0) + +#define IsAlive(x) do { alive += IsNonZero(x); } while (0) + + // After the following line is where the uses of "Check" and such will go. + static int index = 0; +if (offset == -1) { int alive = 0; { uint64_t h = farmhashna::Hash64WithSeeds(data, len++, SEED0, SEED1); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashna::Hash64WithSeed(data, len++, SEED); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashna::Hash64(data, len++); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } len -= 3; return alive > 0; } +{ uint64_t h = farmhashna::Hash64WithSeeds(data + offset, len, SEED0, SEED1); Check(h >> 32); Check((h << 32) >> 32); } +{ uint64_t h = farmhashna::Hash64WithSeed(data + offset, len, SEED); Check(h >> 32); Check((h << 32) >> 32); } +{ uint64_t h = farmhashna::Hash64(data + offset, len); Check(h >> 32); Check((h << 32) >> 32); } + + return true; +#undef Check +#undef IsAlive +} + +int RunTest() { + Setup(); + int i = 0; + cout << "Running farmhashnaTest"; + if (!Test(-1)) { + cout << "... Unavailable\n"; + return NoteErrors(); + } + // Good. The function is attempting to hash, so run the full test. + int errors_prior_to_test = errors; + for ( ; i < kTestSize - 1; i++) { + Test(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + Test(0, i); + } + Test(0, kDataSize); + cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); + return NoteErrors(); +} + +#else + +// After the following line is where the code to print hash codes will go. +void Dump(int offset, int len) { +{ uint64_t h = farmhashna::Hash64WithSeeds(data + offset, len, SEED0, SEED1); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } +{ uint64_t h = farmhashna::Hash64WithSeed(data + offset, len, SEED); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } +{ uint64_t h = farmhashna::Hash64(data + offset, len); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } +} + +#endif + +#undef SEED +#undef SEED1 +#undef SEED0 + +} // namespace farmhashnaTest + +#if !TESTING +int main(int argc, char** argv) { + Setup(); + cout << "uint32_t expected[] = {\n"; + int i = 0; + for ( ; i < kTestSize - 1; i++) { + farmhashnaTest::Dump(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + farmhashnaTest::Dump(0, i); + } + farmhashnaTest::Dump(0, kDataSize); + cout << "};\n"; +} +#endif +#ifndef FARMHASH_SELF_TEST_GUARD +#define FARMHASH_SELF_TEST_GUARD +#include +#include +#include + +using std::cout; +using std::cerr; +using std::endl; +using std::hex; + +static const uint64_t kSeed0 = 1234567; +static const uint64_t kSeed1 = k0; +static const int kDataSize = 1 << 20; +static const int kTestSize = 300; +#define kSeed128 Uint128(kSeed0, kSeed1) + +static char data[kDataSize]; + +static int completed_self_tests = 0; +static int errors = 0; + +// Initialize data to pseudorandom values. +void Setup() { + if (completed_self_tests == 0) { + uint64_t a = 9; + uint64_t b = 777; + for (int i = 0; i < kDataSize; i++) { + a += b; + b += a; + a = (a ^ (a >> 41)) * k0; + b = (b ^ (b >> 41)) * k0 + i; + uint8_t u = b >> 37; + memcpy(data + i, &u, 1); // uint8_t -> char + } + } +} + +int NoteErrors() { +#define NUM_SELF_TESTS 9 + if (++completed_self_tests == NUM_SELF_TESTS) + std::exit(errors > 0); + return errors; +} + +template inline bool IsNonZero(T x) { + return x != 0; +} + +template <> inline bool IsNonZero(uint128_t x) { + return x != Uint128(0, 0); +} + +#endif // FARMHASH_SELF_TEST_GUARD + +namespace farmhashntTest { + +uint32_t CreateSeed(int offset, int salt) { + uint32_t h = static_cast(salt & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h += static_cast(offset & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + return h; +} + +#undef SEED +#undef SEED1 +#undef SEED0 +#define SEED CreateSeed(offset, -1) +#define SEED0 CreateSeed(offset, 0) +#define SEED1 CreateSeed(offset, 1) + +#undef TESTING +#define TESTING 1 +#if TESTING +uint32_t expected[] = { +2681724312u, +797982799u, +921001710u, +2134990486u, +2244477846u, +2992121793u, +3943596029u, +452431531u, +2557197665u, +2532580744u, +3099673830u, +3696623795u, +3281581178u, +1882212500u, +275903667u, +3033004529u, +1402319660u, +2699376854u, +4222949502u, +1712034059u, +1330324210u, +2921867846u, +1728752234u, +326029180u, +3349570000u, +1612122221u, +1646032583u, +1432476832u, +3552092450u, +1499109081u, +1554038301u, +3190844552u, +540224401u, +489963606u, +1562872448u, +2128624475u, +1262831810u, +1672724608u, +2077310004u, +1911523866u, +294527927u, +1389770549u, +2026137563u, +629449419u, +2489287368u, +645684964u, +230403464u, +3272648435u, +165370827u, +1230085527u, +3628174014u, +851743255u, +1554380634u, +3667013118u, +2290487377u, +1909203251u, +1498556724u, +4165088768u, +197618179u, +914413116u, +1913303225u, +3117299654u, +1357272220u, +507436733u, +1413396341u, +146044391u, +429095991u, +3056862311u, +366414107u, +2293458109u, +1684583131u, +1170404994u, +520792961u, +1577421232u, +4033596884u, +4229339322u, +3242407770u, +2649785113u, +816692935u, +3555213933u, +517646945u, +2180594090u, +3047062993u, +2391606125u, +382936554u, +788479970u, +2826990641u, +3167748333u, +1758123094u, +389974094u, +3338548567u, +2583576230u, +3198590202u, +4155628142u, +542201663u, +2856634168u, +3948351189u, +4194218315u, +1467786451u, +2743592929u, +1062268187u, +3810665822u, +2560479831u, +997658837u, +3067277639u, +1211737169u, +59581167u, +1389679610u, +4189944477u, +100876854u, +2062343506u, +3088828656u, +3284356565u, +3130054947u, +3532596884u, +3887208531u, +259034107u, +3233195759u, +3200749877u, +760633989u, +1115203611u, +1516407838u, +1778459926u, +2146672889u, +2457048126u, +2217471853u, +862072556u, +3745267835u, +701920051u, +581695350u, +1410111809u, +3326135446u, +2187968410u, +4267859263u, +479241367u, +2868987960u, +704325635u, +1418509533u, +735688735u, +3283299459u, +813690332u, +1439630796u, +3195309868u, +1616408198u, +3254795114u, +2799925823u, +3929484338u, +1798536177u, +4205965408u, +1499475160u, +4247675634u, +3779953975u, +785893184u, +2778575413u, +1160134629u, +823113169u, +4116162021u, +4167766971u, +2487440590u, +4004655503u, +4044418876u, +1462554406u, +2011102035u, +4265993528u, +576405853u, +4038839101u, +2425317635u, +1401013391u, +3062418115u, +3167030094u, +2602636307u, +4264167741u, +4017058800u, +1029665228u, +4036354071u, +2670703363u, +688472265u, +1054670286u, +338058159u, +1539305024u, +146827036u, +4060134777u, +2502815838u, +1603444633u, +2448966429u, +3891353218u, +1082330589u, +201837927u, +2848283092u, +883849006u, +1982110346u, +541496720u, +133643215u, +3847827123u, +4015671361u, +2849988118u, +3452457457u, +2102063419u, +3281002516u, +1539151988u, +1147951686u, +2005032160u, +2415262714u, +116647396u, +1029284767u, +2159170082u, +1919171906u, +2017579106u, +2473524405u, +1694443528u, +3671562289u, +505662155u, +1019936943u, +1511077569u, +773792826u, +2089123665u, +484732447u, +1120017626u, +2809286837u, +4029205195u, +1097806406u, +136118734u, +4017075736u, +1403506686u, +1516736273u, +2562064338u, +2984955003u, +3071338162u, +1923531348u, +771592405u, +2586632018u, +4032960199u, +2687561076u, +308584855u, +1692079268u, +2565680167u, +3674576684u, +3770488806u, +69201295u, +1255084262u, +3593730713u, +54945052u, +1939595371u, +2432427547u, +2295501078u, +1280920000u, +82177963u, +1121403845u, +2889101923u, +713121337u, +1747052377u, +927011680u, +4142246789u, +1958963937u, +1636932722u, +4075249328u, +2025886508u, +3026358429u, +1845587644u, +3615577014u, +1363253259u, +3087190425u, +341851980u, +2515339233u, +1276595523u, +460237542u, +4198897105u, +2069753399u, +4278599955u, +356742959u, +3735275001u, +1750561299u, +668829411u, +3384018814u, +4233785523u, +451656820u, +107312677u, +2390172694u, +1216645846u, +164402616u, +1689811113u, +1767810825u, +1397772514u, +3323383489u, +2986430557u, +207428029u, +2260498180u, +2360400900u, +1263709570u, +1377764574u, +4252610345u, +1099809675u, +2776960536u, +3542220540u, +3752806924u, +337070226u, +3267551635u, +1306761320u, +2220373824u, +4109252858u, +896322512u, +1788337208u, +1336556841u, +2911512007u, +3712582785u, +3071359622u, +2561488770u, +3898950547u, +536047554u, +2040551642u, +3528794619u, +3565689036u, +1197100813u, +1864569342u, +3329594980u, +490608221u, +1174785921u, +3287246572u, +2163330264u, +500120236u, +2520062970u, +1561519055u, +4042710240u, +2774151984u, +3160666939u, +96459446u, +1878067032u, +4237425634u, +2952135524u, +4100839753u, +1265237690u, +4246879223u, +834830418u, +3476334357u, +4277111759u, +2511026735u, +3065234219u, +556796152u, +198182691u, +2913077464u, +1535115487u, +4046477658u, +140762681u, +990407433u, +2198985327u, +2926590471u, +559702706u, +82077489u, +1096697687u, +4190838199u, +3046872820u, +1583801700u, +2185339100u, +3912423882u, +3703603898u, +2540185277u, +1446869792u, +4051584612u, +2719373510u, +1675560450u, +1996164093u, +405251683u, +2864244470u, +4071581802u, +2028708916u, +803575837u, +557660441u, +3841480082u, +255451671u, +779434428u, +3452203069u, +2285701422u, +1568745354u, +823305654u, +3184047862u, +4159715581u, +3160134214u, +3198900547u, +1566527339u, +4194096960u, +1496132623u, +1719108984u, +2584236470u, +531310503u, +3456882941u, +3382290593u, +467441309u, +3241407531u, +2540270567u, +1397502982u, +3348545480u, +811750340u, +1017047954u, +2540585554u, +3531646869u, +943914610u, +1903578924u, +1911188923u, +241574049u, +3181425568u, +3529565564u, +240953857u, +2964595704u, +3828377737u, +4260564140u, +4262383425u, +383233885u, +4051263539u, +919677938u, +1683612329u, +4204155962u, +2283918569u, +4153726847u, +350160869u, +1387233546u, +1891558063u, +740563169u, +330624974u, +2948665536u, +376390582u, +3799363969u, +3187805406u, +2263421398u, +1928519266u, +2746577402u, +2108753646u, +768287270u, +2247006571u, +212490675u, +917121602u, +2549835613u, +2864033668u, +3738062408u, +2006922227u, +2616619070u, +3449066284u, +431292293u, +786322314u, +1415970351u, +3263135197u, +2954777083u, +3206261120u, +2287507921u, +1781944746u, +4081586725u, +1109175923u, +1813855658u, +1129462471u, +1037031473u, +3389003793u, +3122687303u, +1164309901u, +3193251135u, +3626554867u, +3071568023u, +3656006011u, +1167681812u, +3155218919u, +2704165015u, +1854985978u, +1712976649u, +878608872u, +4155949943u, +3163786257u, +1626463554u, +1256485167u, +582664250u, +2083771672u, +804336148u, +2770847216u, +1674051445u, +3992583643u, +2966108111u, +900741486u, +4014551783u, +300318232u, +3517585534u, +542270815u, +760762191u, +1216399252u, +643179562u, +3652676161u, +2990167340u, +3262252593u, +2134299399u, +411263051u, +1342880802u, +1967599860u, +853593042u, +2682611693u, +850464484u, +3286110054u, +3842907484u, +3623364733u, +3693536939u, +1615375832u, +2318423400u, +4145497671u, +1728968857u, +2686506989u, +1502282913u, +2151665147u, +3651607391u, +1178454681u, +4146839064u, +2601416506u, +1448097974u, +238887261u, +4093725287u, +2367569534u, +679517009u, +3539886328u, +3086277222u, +1390394371u, +119173722u, +1766260771u, +751439914u, +215917713u, +2656990891u, +1570750352u, +3533987737u, +3576119563u, +963183826u, +3796810515u, +136547246u, +2592925324u, +427154472u, +1228758574u, +1464255968u, +2984611177u, +2001585786u, +1525438381u, +1348536411u, +2861338018u, +764077711u, +3785343245u, +457568934u, +4104954272u, +2381948487u, +3148473363u, +2180270337u, +1387729170u, +951677556u, +2721005055u, +66786703u, +1149351924u, +1895026827u, +3711056516u, +3638638708u, +2263003308u, +3448840877u, +225333538u, +3797521928u, +3262952567u, +2078619498u, +1178073973u, +3288261538u, +1496966875u, +2481012988u, +114945840u, +1632780103u, +2087949619u, +3787017905u, +2575395164u, +2971726178u, +3642087909u, +3894199764u, +203853421u, +425935223u, +3565833278u, +1748785729u, +580966986u, +2124704694u, +1107045577u, +1067532701u, +1406028344u, +18613994u, +3476683808u, +3762914298u, +1844996900u, +904215228u, +1118521573u, +3657647605u, +3136157065u, +2287683323u, +126005630u, +3555092974u, +49515858u, +1010661841u, +1902040126u, +1400735275u, +2771676666u, +2225229957u, +3454177594u, +2883475137u, +4144472319u, +1051332394u, +542648229u, +1669710469u, +553041029u, +584127807u, +2993670925u, +3587959456u, +1745399498u, +1404723176u, +1334333531u, +3239516985u, +1275954779u, +367320647u, +3684418197u, +4030809053u, +484559105u, +4255931645u, +4271715616u, +3171911678u, +928543347u, +2159512867u, +313902234u, +647086234u, +577214736u, +1130129573u, +995791646u, +1645086060u, +4122335794u, +1064648931u, +2752145076u, +3312498873u, +4238535494u, +1471227427u, +633688562u, +1959779970u, +766642813u, +1380896111u, +3647601207u, +1733961041u, +521947915u, +189164145u, +486382294u, +3770038872u, +3235740744u, +1912506671u, +2276864677u, +1588060152u, +2504457929u, +1471020554u, +3623212998u, +3026631806u, +2342164722u, +1674890530u, +3011542850u, +3549160092u, +4290680005u, +3943068002u, +2273781461u, +2127663659u, +1646681121u, +447810651u, +2366308558u, +970504950u, +2008155560u, +2695940969u, +3444688454u, +1739318893u, +2683090634u, +2774816580u, +437560100u, +512012738u, +3305170944u, +665292744u, +3580039116u, +1579404983u, +3397891494u, +710590371u, +2514565805u, +3624609754u, +3516075816u, +1314000850u, +1935166880u, +3257747610u, +3776931214u, +3183054185u, +675129307u, +3333261712u, +1154611403u, +2759854023u, +1963228038u, +505138315u, +1803966773u, +4032705384u, +798395739u, +3473799845u, +476400898u, +602972493u, +3289878097u, +2520311409u, +3214794876u, +748160407u, +1326769504u, +902775872u, +1372805534u, +1213925114u, +3009384989u, +3781981134u, +2835608783u, +2716786748u, +1669490957u, +1089334066u, +250756920u, +4041016629u, +2495807367u, +2008251381u, +106212622u, +1927268995u, +2251978818u, +3788056262u, +3678660147u, +2656772270u, +1997584981u, +2668998785u, +2954162084u, +845687881u, +776018378u, +2066910012u, +918315064u, +}; + +// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. +bool Test(int offset, int len = 0) { +#undef Check +#undef IsAlive + +#define Check(x) do { \ + const uint32_t actual = (x), e = expected[index++]; \ + bool ok = actual == e; \ + if (!ok) { \ + cerr << "expected " << hex << e << " but got " << actual << endl; \ + ++errors; \ + } \ + assert(ok); \ +} while (0) + +#define IsAlive(x) do { alive += IsNonZero(x); } while (0) + + // After the following line is where the uses of "Check" and such will go. + static int index = 0; +if (offset == -1) { int alive = 0; IsAlive(farmhashnt::Hash32WithSeed(data, len++, SEED)); IsAlive(farmhashnt::Hash32(data, len++)); IsAlive(farmhashnt::Hash32(data, len++)); len -= 3; return alive > 0; } +Check(farmhashnt::Hash32WithSeed(data + offset, len, SEED)); +Check(farmhashnt::Hash32(data + offset, len)); + + return true; +#undef Check +#undef IsAlive +} + +int RunTest() { + Setup(); + int i = 0; + cout << "Running farmhashntTest"; + if (!Test(-1)) { + cout << "... Unavailable\n"; + return NoteErrors(); + } + // Good. The function is attempting to hash, so run the full test. + int errors_prior_to_test = errors; + for ( ; i < kTestSize - 1; i++) { + Test(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + Test(0, i); + } + Test(0, kDataSize); + cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); + return NoteErrors(); +} + +#else + +// After the following line is where the code to print hash codes will go. +void Dump(int offset, int len) { +cout << farmhashnt::Hash32WithSeed(data + offset, len, SEED) << "u," << endl; +cout << farmhashnt::Hash32(data + offset, len) << "u," << endl; +} + +#endif + +#undef SEED +#undef SEED1 +#undef SEED0 + +} // namespace farmhashntTest + +#if !TESTING +int main(int argc, char** argv) { + Setup(); + cout << "uint32_t expected[] = {\n"; + int i = 0; + for ( ; i < kTestSize - 1; i++) { + farmhashntTest::Dump(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + farmhashntTest::Dump(0, i); + } + farmhashntTest::Dump(0, kDataSize); + cout << "};\n"; +} +#endif +#ifndef FARMHASH_SELF_TEST_GUARD +#define FARMHASH_SELF_TEST_GUARD +#include +#include +#include + +using std::cout; +using std::cerr; +using std::endl; +using std::hex; + +static const uint64_t kSeed0 = 1234567; +static const uint64_t kSeed1 = k0; +static const int kDataSize = 1 << 20; +static const int kTestSize = 300; +#define kSeed128 Uint128(kSeed0, kSeed1) + +static char data[kDataSize]; + +static int completed_self_tests = 0; +static int errors = 0; + +// Initialize data to pseudorandom values. +void Setup() { + if (completed_self_tests == 0) { + uint64_t a = 9; + uint64_t b = 777; + for (int i = 0; i < kDataSize; i++) { + a += b; + b += a; + a = (a ^ (a >> 41)) * k0; + b = (b ^ (b >> 41)) * k0 + i; + uint8_t u = b >> 37; + memcpy(data + i, &u, 1); // uint8_t -> char + } + } +} + +int NoteErrors() { +#define NUM_SELF_TESTS 9 + if (++completed_self_tests == NUM_SELF_TESTS) + std::exit(errors > 0); + return errors; +} + +template inline bool IsNonZero(T x) { + return x != 0; +} + +template <> inline bool IsNonZero(uint128_t x) { + return x != Uint128(0, 0); +} + +#endif // FARMHASH_SELF_TEST_GUARD + +namespace farmhashsaTest { + +uint32_t CreateSeed(int offset, int salt) { + uint32_t h = static_cast(salt & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h += static_cast(offset & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + return h; +} + +#undef SEED +#undef SEED1 +#undef SEED0 +#define SEED CreateSeed(offset, -1) +#define SEED0 CreateSeed(offset, 0) +#define SEED1 CreateSeed(offset, 1) + +#undef TESTING +#define TESTING 1 +#if TESTING +uint32_t expected[] = { +4223616069u, +3696677242u, +4081014168u, +2576519988u, +2212771159u, +1112731063u, +1020067935u, +3955445564u, +1451961420u, +653440099u, +31917516u, +2957164615u, +2590087362u, +3879448744u, +176305566u, +2447367541u, +1359016305u, +3363804638u, +1117290165u, +1062549743u, +2437877004u, +1894455839u, +673206794u, +3486923651u, +3269862919u, +2303349487u, +1380660650u, +595525107u, +1525325287u, +2025609358u, +176408838u, +1592885012u, +864896482u, +2101378090u, +3489229104u, +2118965695u, +581644891u, +2718789079u, +631613207u, +4228658372u, +3867875546u, +3531368319u, +3804516756u, +3317755099u, +1619744564u, +2884717286u, +1088213445u, +2667691076u, +3727873235u, +2330406762u, +858590707u, +123802208u, +4150036245u, +182283099u, +1478882570u, +3282617403u, +819171187u, +1172627392u, +4254302102u, +2957028020u, +437030323u, +2452147680u, +2868246750u, +3530169402u, +3154852132u, +215019192u, +357580983u, +1354454461u, +1108813287u, +2324008118u, +2315997713u, +4181601562u, +1360882441u, +92423273u, +3048866755u, +3369188505u, +3664371439u, +2920710428u, +1027891570u, +2653166430u, +3461888315u, +1475780447u, +292769636u, +1737473313u, +4064110516u, +4170160075u, +762850927u, +3630603695u, +2803307356u, +844987665u, +460980967u, +3005635467u, +2802568977u, +588668033u, +2148940781u, +3239099984u, +1266953698u, +3197808789u, +3519942533u, +2511995334u, +2553810188u, +871667697u, +1358675720u, +1499319171u, +2044931270u, +1210355103u, +807152540u, +3262320756u, +2810214575u, +1813386141u, +4089465863u, +903928165u, +1388899322u, +3209183659u, +834536144u, +2733354550u, +2742289921u, +3689042563u, +2655593281u, +4169686303u, +415985561u, +138892376u, +516115393u, +65683883u, +4162865100u, +889944635u, +313566528u, +3346420907u, +1504303591u, +2256809275u, +742243229u, +779775302u, +3140940172u, +2312556111u, +2304095772u, +1151741606u, +2194712422u, +1714084652u, +3272736835u, +1311540658u, +191179665u, +3996605106u, +1657345233u, +4205442903u, +1553339212u, +2351843044u, +1647502006u, +2525516233u, +292202846u, +1498646290u, +1429323381u, +974274898u, +3759331561u, +2881238887u, +826787221u, +1069622448u, +221991032u, +1462969082u, +2799661508u, +364022781u, +2594244377u, +797773898u, +4097839290u, +1529150125u, +2456805570u, +541503425u, +3936326142u, +3112719954u, +775223581u, +3074018423u, +3198488875u, +1772191849u, +2456535211u, +3154686028u, +1520862019u, +4005829426u, +1306433767u, +1943028506u, +2246000782u, +1057766454u, +3761996982u, +3441075333u, +898641979u, +3450209088u, +3941329307u, +3289922449u, +3085075827u, +1814193220u, +690422997u, +2627846676u, +2653520704u, +3739145533u, +3996776010u, +2287072592u, +1346671698u, +3082629900u, +2298811274u, +3639722036u, +1729419228u, +1836765953u, +3708118742u, +213436u, +950223749u, +3734247682u, +2924575678u, +1382024841u, +2431637732u, +3448846682u, +1341301397u, +4206956590u, +1730650902u, +2581075456u, +1542359141u, +707222542u, +2925350541u, +3846303536u, +3579103295u, +3932175763u, +1339615732u, +848825750u, +1070170828u, +1964973818u, +577060344u, +607721296u, +4031023048u, +406883794u, +3991905552u, +1198544082u, +872468460u, +1044847096u, +3159976313u, +3020028266u, +2108700400u, +3373767922u, +264431841u, +2817097007u, +3700061048u, +1733731531u, +3459415893u, +80378591u, +1479875104u, +19735612u, +1382658977u, +3416562245u, +1959852842u, +2384002344u, +124683828u, +3725782174u, +2300301222u, +393852269u, +1302492002u, +3623776492u, +3787086417u, +1730024749u, +1710531361u, +443700716u, +1461987482u, +671998131u, +3018380746u, +2592292305u, +3390799372u, +3945101155u, +3743494852u, +3716045582u, +996005166u, +320698449u, +3420221765u, +1518157951u, +2555810666u, +3381929684u, +2019638523u, +3088262796u, +2072178906u, +3433649364u, +203906916u, +34663784u, +290301305u, +1188021504u, +3754681145u, +3920313139u, +2840496520u, +1656802962u, +2288475489u, +3399185138u, +1296000826u, +2362384746u, +309633360u, +2719851778u, +776035930u, +3200733043u, +365690832u, +3326378243u, +1500331457u, +1625708592u, +4230903462u, +715344888u, +3363777768u, +2243620288u, +2890765789u, +553154234u, +4044100108u, +4056887320u, +1185656496u, +3671476744u, +1064586897u, +1154949698u, +3493481974u, +1294573722u, +1869224012u, +2530084956u, +995321553u, +833419249u, +563815282u, +250258043u, +2970801822u, +441007535u, +42246961u, +2820426655u, +2878882436u, +2363245780u, +2138489282u, +2972360481u, +2312619393u, +3598664848u, +3071556076u, +776990325u, +3220427357u, +2257939577u, +3817305903u, +1502979698u, +3159755934u, +3955997276u, +2423850008u, +1959927572u, +1219782288u, +4119776679u, +1124253854u, +3678052422u, +2620644947u, +1262408666u, +3480072280u, +2627137665u, +807538749u, +3276646337u, +518510128u, +1137828655u, +1498449110u, +3031692317u, +1125635969u, +1130096111u, +780007336u, +3111856399u, +1014917264u, +780877352u, +2909458336u, +4235949214u, +2423879289u, +275888892u, +3891926795u, +3538163953u, +54815161u, +162228302u, +258154068u, +3554455591u, +1801469029u, +2801563220u, +726560058u, +2450221940u, +3677582978u, +440993800u, +424762443u, +2624525253u, +2587715329u, +2292264424u, +1074856749u, +3294752007u, +3164112672u, +2399146799u, +1920182465u, +3858835361u, +193755240u, +3333610311u, +1757504059u, +2576027039u, +2775253365u, +2939191561u, +1046147275u, +235149906u, +4262218222u, +2900542726u, +2260154702u, +1019551635u, +1194720570u, +3519118691u, +3039483153u, +84918216u, +3053381097u, +2572396843u, +3849763371u, +2782686780u, +3710049554u, +3403430713u, +2346080784u, +2496307442u, +1597281872u, +696018239u, +704625714u, +623026921u, +3182413559u, +3794540330u, +305497722u, +1592680199u, +2377854072u, +3060601746u, +3953057908u, +3941551588u, +1033716182u, +2765716854u, +1309699058u, +3519400181u, +3073370877u, +115583008u, +4032909296u, +2944563574u, +3762753718u, +192842727u, +1711348701u, +3086147235u, +1658229443u, +1479783872u, +3839977157u, +225619117u, +1349684817u, +1964813173u, +565753187u, +2530252046u, +840014353u, +1645183704u, +3668429078u, +3438418557u, +639704059u, +360837811u, +2531807958u, +1572353913u, +2116037299u, +1948437512u, +744553393u, +2380697034u, +3775234105u, +3816065157u, +301868653u, +2960939561u, +3306528247u, +2389296549u, +805918610u, +1759358265u, +1760876328u, +2827601706u, +2944594708u, +3313666458u, +2022601495u, +730938791u, +193539397u, +2026103244u, +802928398u, +2630934308u, +782805818u, +3499326016u, +293509489u, +3646131514u, +3182478647u, +854800333u, +2284531628u, +438528022u, +2339298129u, +1692289216u, +2427728723u, +46501288u, +350652353u, +1355971222u, +889682372u, +944799254u, +2763906061u, +2807550612u, +2683762637u, +100870317u, +2449357318u, +2638348436u, +4206088869u, +1788948473u, +3537588549u, +2782490204u, +134406470u, +2409190528u, +2362439849u, +1861661528u, +2101513194u, +1424834765u, +3581765745u, +3185999525u, +2057487100u, +2303941176u, +3639628788u, +1180265315u, +230437935u, +2108319366u, +1131685143u, +1055685292u, +1509007009u, +1258485140u, +560525005u, +3598799040u, +3835680585u, +1851859628u, +332858996u, +641769248u, +4252450037u, +865386707u, +720719117u, +3133612164u, +3833045874u, +3492515435u, +2465970289u, +4234420011u, +573859916u, +252532886u, +870392318u, +4051320920u, +894929092u, +3748361688u, +699355960u, +1885212350u, +1609756949u, +461896870u, +1337065461u, +1775211059u, +1786193749u, +2815154643u, +2128729882u, +969639529u, +3960427545u, +859416958u, +2739758802u, +2698032197u, +2813292418u, +1985467524u, +396604317u, +4122172759u, +1201259789u, +4282051702u, +3270018895u, +961215209u, +961075860u, +4211926998u, +4088374597u, +577510509u, +3058349487u, +4025377754u, +2815478438u, +471023164u, +3947959608u, +4161486934u, +2299888461u, +1103571511u, +2450153872u, +1839939275u, +108299608u, +858086440u, +1030152945u, +3895328530u, +3009080718u, +3690840454u, +3847025277u, +152331362u, +161365689u, +831319961u, +2166017294u, +3945322722u, +4059970216u, +1420824131u, +2770648308u, +1567250186u, +2181067149u, +1939743488u, +3080158120u, +3435218248u, +2495237495u, +3814085102u, +3180983013u, +3199054292u, +2204745908u, +1140337267u, +2213569784u, +1941879842u, +2105562605u, +3618835614u, +2247103645u, +2492473487u, +856414299u, +166022030u, +4080104712u, +3218935344u, +3284220561u, +4261581452u, +1206944836u, +3496705432u, +2215996876u, +3154627465u, +3384005496u, +742170556u, +1333047620u, +802680366u, +156833431u, +2682100354u, +2493654830u, +584848366u, +1691693131u, +2169934170u, +779968026u, +2099545800u, +1423039695u, +4292110968u, +4266576788u, +149142597u, +748501873u, +3865014822u, +1913588198u, +130285614u, +3500768879u, +915458923u, +3071792750u, +1339986633u, +4143929149u, +4048379479u, +725193827u, +1375113643u, +2425277412u, +4144659274u, +465714768u, +226991589u, +2212127704u, +3936145258u, +2891024846u, +3816000225u, +979331165u, +1749907536u, +53847318u, +1462525833u, +2961425455u, +368859113u, +3572721452u, +453048644u, +1628629918u, +3497673923u, +3619079585u, +139870565u, +1518176798u, +3933074281u, +1878623729u, +2074035641u, +3016759257u, +1313053591u, +2557706970u, +2348296582u, +962370022u, +2337285014u, +1618936717u, +1915877085u, +2743743122u, +3250783882u, +1346652536u, +143311109u, +2443788461u, +1048248964u, +2806619339u, +3263266976u, +1668146349u, +3397428868u, +3276188862u, +1774196343u, +1993847813u, +2771079610u, +476672419u, +2119050359u, +2918326659u, +2245402721u, +2692910474u, +2374383269u, +342400227u, +2961437795u, +3899230368u, +337787132u, +3664444935u, +1269451153u, +2971526729u, +1486511182u, +791070133u, +2570319890u, +3482497490u, +2134230518u, +4273391202u, +1825511330u, +3947753714u, +1389755724u, +3995075516u, +2081052615u, +3626343470u, +4213603435u, +2137917278u, +2898987303u, +3059215715u, +3383237881u, +3003674434u, +409174425u, +1911915604u, +2087728055u, +2942005882u, +3386522440u, +714936074u, +261924004u, +3268784033u, +1141188757u, +2413217552u, +1515163433u, +}; + +// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. +bool Test(int offset, int len = 0) { +#undef Check +#undef IsAlive + +#define Check(x) do { \ + const uint32_t actual = (x), e = expected[index++]; \ + bool ok = actual == e; \ + if (!ok) { \ + cerr << "expected " << hex << e << " but got " << actual << endl; \ + ++errors; \ + } \ + assert(ok); \ +} while (0) + +#define IsAlive(x) do { alive += IsNonZero(x); } while (0) + + // After the following line is where the uses of "Check" and such will go. + static int index = 0; +if (offset == -1) { int alive = 0; IsAlive(farmhashsa::Hash32WithSeed(data, len++, SEED)); IsAlive(farmhashsa::Hash32(data, len++)); IsAlive(farmhashsa::Hash32(data, len++)); len -= 3; return alive > 0; } +Check(farmhashsa::Hash32WithSeed(data + offset, len, SEED)); +Check(farmhashsa::Hash32(data + offset, len)); + + return true; +#undef Check +#undef IsAlive +} + +int RunTest() { + Setup(); + int i = 0; + cout << "Running farmhashsaTest"; + if (!Test(-1)) { + cout << "... Unavailable\n"; + return NoteErrors(); + } + // Good. The function is attempting to hash, so run the full test. + int errors_prior_to_test = errors; + for ( ; i < kTestSize - 1; i++) { + Test(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + Test(0, i); + } + Test(0, kDataSize); + cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); + return NoteErrors(); +} + +#else + +// After the following line is where the code to print hash codes will go. +void Dump(int offset, int len) { +cout << farmhashsa::Hash32WithSeed(data + offset, len, SEED) << "u," << endl; +cout << farmhashsa::Hash32(data + offset, len) << "u," << endl; +} + +#endif + +#undef SEED +#undef SEED1 +#undef SEED0 + +} // namespace farmhashsaTest + +#if !TESTING +int main(int argc, char** argv) { + Setup(); + cout << "uint32_t expected[] = {\n"; + int i = 0; + for ( ; i < kTestSize - 1; i++) { + farmhashsaTest::Dump(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + farmhashsaTest::Dump(0, i); + } + farmhashsaTest::Dump(0, kDataSize); + cout << "};\n"; +} +#endif +#ifndef FARMHASH_SELF_TEST_GUARD +#define FARMHASH_SELF_TEST_GUARD +#include +#include +#include + +using std::cout; +using std::cerr; +using std::endl; +using std::hex; + +static const uint64_t kSeed0 = 1234567; +static const uint64_t kSeed1 = k0; +static const int kDataSize = 1 << 20; +static const int kTestSize = 300; +#define kSeed128 Uint128(kSeed0, kSeed1) + +static char data[kDataSize]; + +static int completed_self_tests = 0; +static int errors = 0; + +// Initialize data to pseudorandom values. +void Setup() { + if (completed_self_tests == 0) { + uint64_t a = 9; + uint64_t b = 777; + for (int i = 0; i < kDataSize; i++) { + a += b; + b += a; + a = (a ^ (a >> 41)) * k0; + b = (b ^ (b >> 41)) * k0 + i; + uint8_t u = b >> 37; + memcpy(data + i, &u, 1); // uint8_t -> char + } + } +} + +int NoteErrors() { +#define NUM_SELF_TESTS 9 + if (++completed_self_tests == NUM_SELF_TESTS) + std::exit(errors > 0); + return errors; +} + +template inline bool IsNonZero(T x) { + return x != 0; +} + +template <> inline bool IsNonZero(uint128_t x) { + return x != Uint128(0, 0); +} + +#endif // FARMHASH_SELF_TEST_GUARD + +namespace farmhashsuTest { + +uint32_t CreateSeed(int offset, int salt) { + uint32_t h = static_cast(salt & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h += static_cast(offset & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + return h; +} + +#undef SEED +#undef SEED1 +#undef SEED0 +#define SEED CreateSeed(offset, -1) +#define SEED0 CreateSeed(offset, 0) +#define SEED1 CreateSeed(offset, 1) + +#undef TESTING +#define TESTING 1 +#if TESTING +uint32_t expected[] = { +4223616069u, +3696677242u, +4081014168u, +2576519988u, +2212771159u, +1112731063u, +1020067935u, +3955445564u, +1451961420u, +653440099u, +31917516u, +2957164615u, +2590087362u, +3879448744u, +176305566u, +2447367541u, +1359016305u, +3363804638u, +1117290165u, +1062549743u, +2437877004u, +1894455839u, +673206794u, +3486923651u, +3269862919u, +2303349487u, +1380660650u, +595525107u, +1525325287u, +2025609358u, +176408838u, +1592885012u, +864896482u, +2101378090u, +3489229104u, +2118965695u, +581644891u, +2718789079u, +631613207u, +4228658372u, 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+1323863238u, +3731914806u, +2846098469u, +2728930632u, +346814072u, +848146907u, +551160669u, +4165126521u, +2039095001u, +4179859388u, +2434936359u, +2764414551u, +238491210u, +732483969u, +3366512764u, +478307468u, +4124179572u, +4142733597u, +1953448206u, +4199329278u, +865077060u, +2627662116u, +2802499360u, +3141206831u, +1959218197u, +911371451u, +125987200u, +2821366175u, +2530992747u, +2409206225u, +117991880u, +2133402461u, +895510531u, +428719601u, +3036014536u, +1223783733u, +733793540u, +970650405u, +547701766u, +570764615u, +3224485368u, +3192714940u, +319942831u, +3940200341u, +362056204u, +2832368105u, +1853281226u, +3296434636u, +3752508307u, +604292768u, +2231940616u, +1204094681u, +866194005u, +2405201650u, +2466384396u, +380829379u, +230033818u, +2783417588u, +4249886729u, +829569301u, +2988322580u, +2299983554u, +74748560u, +737514425u, +3153050211u, +652642663u, +1270205115u, +227197032u, +2773091790u, +325849216u, +49998791u, +4043203010u, +3662748068u, 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+126586168u, +3989293643u, +2680178207u, +347056948u, +799681430u, +2864517481u, +3180404853u, +213140045u, +1956305184u, +1474675286u, +3085723423u, +2841859626u, +308421914u, +3670309263u, +1765052231u, +245459238u, +113434331u, +4079521092u, +2115235526u, +2943408816u, +1055476938u, +1506442339u, +2291296392u, +3267864332u, +1282145528u, +3700108015u, +1932843667u, +2677701670u, +6041177u, +3889648557u, +1461025478u, +}; + +// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. +bool Test(int offset, int len = 0) { +#undef Check +#undef IsAlive + +#define Check(x) do { \ + const uint32_t actual = (x), e = expected[index++]; \ + bool ok = actual == e; \ + if (!ok) { \ + cerr << "expected " << hex << e << " but got " << actual << endl; \ + ++errors; \ + } \ + assert(ok); \ +} while (0) + +#define IsAlive(x) do { alive += IsNonZero(x); } while (0) + + // After the following line is where the uses of "Check" and such will go. + static int index = 0; +if (offset == -1) { int alive = 0; IsAlive(farmhashsu::Hash32WithSeed(data, len++, SEED)); IsAlive(farmhashsu::Hash32(data, len++)); IsAlive(farmhashsu::Hash32(data, len++)); len -= 3; return alive > 0; } +Check(farmhashsu::Hash32WithSeed(data + offset, len, SEED)); +Check(farmhashsu::Hash32(data + offset, len)); + + return true; +#undef Check +#undef IsAlive +} + +int RunTest() { + Setup(); + int i = 0; + cout << "Running farmhashsuTest"; + if (!Test(-1)) { + cout << "... Unavailable\n"; + return NoteErrors(); + } + // Good. The function is attempting to hash, so run the full test. + int errors_prior_to_test = errors; + for ( ; i < kTestSize - 1; i++) { + Test(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + Test(0, i); + } + Test(0, kDataSize); + cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); + return NoteErrors(); +} + +#else + +// After the following line is where the code to print hash codes will go. +void Dump(int offset, int len) { +cout << farmhashsu::Hash32WithSeed(data + offset, len, SEED) << "u," << endl; +cout << farmhashsu::Hash32(data + offset, len) << "u," << endl; +} + +#endif + +#undef SEED +#undef SEED1 +#undef SEED0 + +} // namespace farmhashsuTest + +#if !TESTING +int main(int argc, char** argv) { + Setup(); + cout << "uint32_t expected[] = {\n"; + int i = 0; + for ( ; i < kTestSize - 1; i++) { + farmhashsuTest::Dump(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + farmhashsuTest::Dump(0, i); + } + farmhashsuTest::Dump(0, kDataSize); + cout << "};\n"; +} +#endif +#ifndef FARMHASH_SELF_TEST_GUARD +#define FARMHASH_SELF_TEST_GUARD +#include +#include +#include + +using std::cout; +using std::cerr; +using std::endl; +using std::hex; + +static const uint64_t kSeed0 = 1234567; +static const uint64_t kSeed1 = k0; +static const int kDataSize = 1 << 20; +static const int kTestSize = 300; +#define kSeed128 Uint128(kSeed0, kSeed1) + +static char data[kDataSize]; + +static int completed_self_tests = 0; +static int errors = 0; + +// Initialize data to pseudorandom values. +void Setup() { + if (completed_self_tests == 0) { + uint64_t a = 9; + uint64_t b = 777; + for (int i = 0; i < kDataSize; i++) { + a += b; + b += a; + a = (a ^ (a >> 41)) * k0; + b = (b ^ (b >> 41)) * k0 + i; + uint8_t u = b >> 37; + memcpy(data + i, &u, 1); // uint8_t -> char + } + } +} + +int NoteErrors() { +#define NUM_SELF_TESTS 9 + if (++completed_self_tests == NUM_SELF_TESTS) + std::exit(errors > 0); + return errors; +} + +template inline bool IsNonZero(T x) { + return x != 0; +} + +template <> inline bool IsNonZero(uint128_t x) { + return x != Uint128(0, 0); +} + +#endif // FARMHASH_SELF_TEST_GUARD + +namespace farmhashteTest { + +uint32_t CreateSeed(int offset, int salt) { + uint32_t h = static_cast(salt & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h += static_cast(offset & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + return h; +} + +#undef SEED +#undef SEED1 +#undef SEED0 +#define SEED CreateSeed(offset, -1) +#define SEED0 CreateSeed(offset, 0) +#define SEED1 CreateSeed(offset, 1) + +#undef TESTING +#define TESTING 1 +#if TESTING +uint32_t expected[] = { +1140953930u, 861465670u, +3277735313u, 2681724312u, +2598464059u, 797982799u, +890626835u, 800175912u, +2603993599u, 921001710u, +1410420968u, 2134990486u, +3283896453u, 1867689945u, +2914424215u, 2244477846u, +255297188u, 2992121793u, +1110588164u, 4186314283u, +161451183u, 3943596029u, +4019337850u, 452431531u, +283198166u, 2741341286u, +3379021470u, 2557197665u, +299850021u, 2532580744u, +452473466u, 1706958772u, +1298374911u, 3099673830u, +2199864459u, 3696623795u, +236935126u, 2976578695u, +4055299123u, 3281581178u, +1053458494u, 1882212500u, +2305012065u, 2169731866u, +3456121707u, 275903667u, +458884671u, 3033004529u, +3058973506u, 2379411653u, +1898235244u, 1402319660u, +2700149065u, 2699376854u, +147814787u, 720739346u, +2433714046u, 4222949502u, +4220361840u, 1712034059u, +3425469811u, 3690733394u, +4148372108u, 1330324210u, +594028478u, 2921867846u, +1635026870u, 192883107u, +780716741u, 1728752234u, +3280331829u, 326029180u, +3969463346u, 1436364519u, +393215742u, 3349570000u, +3824583307u, 1612122221u, +2859809759u, 3808705738u, +1379537552u, 1646032583u, +2233466664u, 1432476832u, +4023053163u, 2650381482u, +2052294713u, 3552092450u, +1628777059u, 1499109081u, +3476440786u, 3829307897u, +2960536756u, 1554038301u, +1145519619u, 3190844552u, +2902102606u, 3600725550u, +237495366u, 540224401u, +65721842u, 489963606u, +1448662590u, 397635823u, +1596489240u, 1562872448u, +1790705123u, 2128624475u, +180854224u, 2604346966u, +1435705557u, 1262831810u, +155445229u, 1672724608u, +1669465176u, 1341975128u, +663607706u, 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+2674940754u, 3788056262u, +2597882666u, 3678660147u, +3797434193u, 3838215866u, +279687080u, 2656772270u, +2190204787u, 1997584981u, +3384401882u, 3160208845u, +3629379425u, 2668998785u, +1050036757u, 2954162084u, +917091826u, 1744374041u, +1454282570u, 845687881u, +2997173625u, 776018378u, +1137560602u, 1938378389u, +1748082354u, 2066910012u, +2677675207u, 918315064u, +}; + +// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. +bool Test(int offset, int len = 0) { +#undef Check +#undef IsAlive + +#define Check(x) do { \ + const uint32_t actual = (x), e = expected[index++]; \ + bool ok = actual == e; \ + if (!ok) { \ + cerr << "expected " << hex << e << " but got " << actual << endl; \ + ++errors; \ + } \ + assert(ok); \ +} while (0) + +#define IsAlive(x) do { alive += IsNonZero(x); } while (0) + + // After the following line is where the uses of "Check" and such will go. + static int index = 0; +if (offset == -1) { int alive = 0; { uint64_t h = farmhashte::Hash64WithSeeds(data, len++, SEED0, SEED1); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashte::Hash64WithSeed(data, len++, SEED); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashte::Hash64(data, len++); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } len -= 3; return alive > 0; } +{ uint64_t h = farmhashte::Hash64WithSeeds(data + offset, len, SEED0, SEED1); Check(h >> 32); Check((h << 32) >> 32); } +{ uint64_t h = farmhashte::Hash64WithSeed(data + offset, len, SEED); Check(h >> 32); Check((h << 32) >> 32); } +{ uint64_t h = farmhashte::Hash64(data + offset, len); Check(h >> 32); Check((h << 32) >> 32); } + + return true; +#undef Check +#undef IsAlive +} + +int RunTest() { + Setup(); + int i = 0; + cout << "Running farmhashteTest"; + if (!Test(-1)) { + cout << "... Unavailable\n"; + return NoteErrors(); + } + // Good. The function is attempting to hash, so run the full test. + int errors_prior_to_test = errors; + for ( ; i < kTestSize - 1; i++) { + Test(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + Test(0, i); + } + Test(0, kDataSize); + cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); + return NoteErrors(); +} + +#else + +// After the following line is where the code to print hash codes will go. +void Dump(int offset, int len) { +{ uint64_t h = farmhashte::Hash64WithSeeds(data + offset, len, SEED0, SEED1); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } +{ uint64_t h = farmhashte::Hash64WithSeed(data + offset, len, SEED); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } +{ uint64_t h = farmhashte::Hash64(data + offset, len); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } +} + +#endif + +#undef SEED +#undef SEED1 +#undef SEED0 + +} // namespace farmhashteTest + +#if !TESTING +int main(int argc, char** argv) { + Setup(); + cout << "uint32_t expected[] = {\n"; + int i = 0; + for ( ; i < kTestSize - 1; i++) { + farmhashteTest::Dump(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + farmhashteTest::Dump(0, i); + } + farmhashteTest::Dump(0, kDataSize); + cout << "};\n"; +} +#endif +#ifndef FARMHASH_SELF_TEST_GUARD +#define FARMHASH_SELF_TEST_GUARD +#include +#include +#include + +using std::cout; +using std::cerr; +using std::endl; +using std::hex; + +static const uint64_t kSeed0 = 1234567; +static const uint64_t kSeed1 = k0; +static const int kDataSize = 1 << 20; +static const int kTestSize = 300; +#define kSeed128 Uint128(kSeed0, kSeed1) + +static char data[kDataSize]; + +static int completed_self_tests = 0; +static int errors = 0; + +// Initialize data to pseudorandom values. +void Setup() { + if (completed_self_tests == 0) { + uint64_t a = 9; + uint64_t b = 777; + for (int i = 0; i < kDataSize; i++) { + a += b; + b += a; + a = (a ^ (a >> 41)) * k0; + b = (b ^ (b >> 41)) * k0 + i; + uint8_t u = b >> 37; + memcpy(data + i, &u, 1); // uint8_t -> char + } + } +} + +int NoteErrors() { +#define NUM_SELF_TESTS 9 + if (++completed_self_tests == NUM_SELF_TESTS) + std::exit(errors > 0); + return errors; +} + +template inline bool IsNonZero(T x) { + return x != 0; +} + +template <> inline bool IsNonZero(uint128_t x) { + return x != Uint128(0, 0); +} + +#endif // FARMHASH_SELF_TEST_GUARD + +namespace farmhashuoTest { + +uint32_t CreateSeed(int offset, int salt) { + uint32_t h = static_cast(salt & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h += static_cast(offset & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + return h; +} + +#undef SEED +#undef SEED1 +#undef SEED0 +#define SEED CreateSeed(offset, -1) +#define SEED0 CreateSeed(offset, 0) +#define SEED1 CreateSeed(offset, 1) + +#undef TESTING +#define TESTING 1 +#if TESTING +uint32_t expected[] = { +3277735313u, 2681724312u, +2598464059u, 797982799u, +2603993599u, 921001710u, +1410420968u, 2134990486u, +2914424215u, 2244477846u, +255297188u, 2992121793u, +161451183u, 3943596029u, +4019337850u, 452431531u, +3379021470u, 2557197665u, +299850021u, 2532580744u, +1298374911u, 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2384458112u, +}; + +// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. +bool Test(int offset, int len = 0) { +#undef Check +#undef IsAlive + +#define Check(x) do { \ + const uint32_t actual = (x), e = expected[index++]; \ + bool ok = actual == e; \ + if (!ok) { \ + cerr << "expected " << hex << e << " but got " << actual << endl; \ + ++errors; \ + } \ + assert(ok); \ +} while (0) + +#define IsAlive(x) do { alive += IsNonZero(x); } while (0) + + // After the following line is where the uses of "Check" and such will go. + static int index = 0; +if (offset == -1) { int alive = 0; { uint64_t h = farmhashuo::Hash64WithSeed(data, len++, SEED); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashuo::Hash64(data, len++); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashuo::Hash64(data, len++); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } len -= 3; return alive > 0; } +{ uint64_t h = farmhashuo::Hash64WithSeed(data + offset, len, SEED); Check(h >> 32); Check((h << 32) >> 32); } +{ uint64_t h = farmhashuo::Hash64(data + offset, len); Check(h >> 32); Check((h << 32) >> 32); } + + return true; +#undef Check +#undef IsAlive +} + +int RunTest() { + Setup(); + int i = 0; + cout << "Running farmhashuoTest"; + if (!Test(-1)) { + cout << "... Unavailable\n"; + return NoteErrors(); + } + // Good. The function is attempting to hash, so run the full test. + int errors_prior_to_test = errors; + for ( ; i < kTestSize - 1; i++) { + Test(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + Test(0, i); + } + Test(0, kDataSize); + cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); + return NoteErrors(); +} + +#else + +// After the following line is where the code to print hash codes will go. +void Dump(int offset, int len) { +{ uint64_t h = farmhashuo::Hash64WithSeed(data + offset, len, SEED); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } +{ uint64_t h = farmhashuo::Hash64(data + offset, len); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } +} + +#endif + +#undef SEED +#undef SEED1 +#undef SEED0 + +} // namespace farmhashuoTest + +#if !TESTING +int main(int argc, char** argv) { + Setup(); + cout << "uint32_t expected[] = {\n"; + int i = 0; + for ( ; i < kTestSize - 1; i++) { + farmhashuoTest::Dump(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + farmhashuoTest::Dump(0, i); + } + farmhashuoTest::Dump(0, kDataSize); + cout << "};\n"; +} +#endif +#ifndef FARMHASH_SELF_TEST_GUARD +#define FARMHASH_SELF_TEST_GUARD +#include +#include +#include + +using std::cout; +using std::cerr; +using std::endl; +using std::hex; + +static const uint64_t kSeed0 = 1234567; +static const uint64_t kSeed1 = k0; +static const int kDataSize = 1 << 20; +static const int kTestSize = 300; +#define kSeed128 Uint128(kSeed0, kSeed1) + +static char data[kDataSize]; + +static int completed_self_tests = 0; +static int errors = 0; + +// Initialize data to pseudorandom values. +void Setup() { + if (completed_self_tests == 0) { + uint64_t a = 9; + uint64_t b = 777; + for (int i = 0; i < kDataSize; i++) { + a += b; + b += a; + a = (a ^ (a >> 41)) * k0; + b = (b ^ (b >> 41)) * k0 + i; + uint8_t u = b >> 37; + memcpy(data + i, &u, 1); // uint8_t -> char + } + } +} + +int NoteErrors() { +#define NUM_SELF_TESTS 9 + if (++completed_self_tests == NUM_SELF_TESTS) + std::exit(errors > 0); + return errors; +} + +template inline bool IsNonZero(T x) { + return x != 0; +} + +template <> inline bool IsNonZero(uint128_t x) { + return x != Uint128(0, 0); +} + +#endif // FARMHASH_SELF_TEST_GUARD + +namespace farmhashxoTest { + +uint32_t CreateSeed(int offset, int salt) { + uint32_t h = static_cast(salt & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h += static_cast(offset & 0xffffffff); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + h = h * c1; + h ^= (h >> 17); + return h; +} + +#undef SEED +#undef SEED1 +#undef SEED0 +#define SEED CreateSeed(offset, -1) +#define SEED0 CreateSeed(offset, 0) +#define SEED1 CreateSeed(offset, 1) + +#undef TESTING +#define TESTING 1 +#if TESTING +uint32_t expected[] = { +1140953930u, 861465670u, +3277735313u, 2681724312u, +2598464059u, 797982799u, +890626835u, 800175912u, +2603993599u, 921001710u, +1410420968u, 2134990486u, +3283896453u, 1867689945u, +2914424215u, 2244477846u, +255297188u, 2992121793u, +1110588164u, 4186314283u, +161451183u, 3943596029u, +4019337850u, 452431531u, +283198166u, 2741341286u, +3379021470u, 2557197665u, +299850021u, 2532580744u, +452473466u, 1706958772u, 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+2304993586u, 1666387627u, +2488475423u, 3832777692u, +284366017u, 3359785538u, +3469807328u, 2926494787u, +1914195188u, 1134129972u, +3829072836u, 2493478921u, +3738499303u, 3311304980u, +726951526u, 911080963u, +932916545u, 2235559063u, +2909742396u, 1765719309u, +465269850u, 3803621553u, +1456588655u, 508290328u, +1490719640u, 3356513470u, +2262196163u, 1451774941u, +2908490783u, 251085588u, +830410677u, 3172220325u, +4039692645u, 1383603170u, +3897208579u, 1940535730u, +151909546u, 2384458112u, +}; + +// Return false only if offset is -1 and a spot check of 3 hashes all yield 0. +bool Test(int offset, int len = 0) { +#undef Check +#undef IsAlive + +#define Check(x) do { \ + const uint32_t actual = (x), e = expected[index++]; \ + bool ok = actual == e; \ + if (!ok) { \ + cerr << "expected " << hex << e << " but got " << actual << endl; \ + ++errors; \ + } \ + assert(ok); \ +} while (0) + +#define IsAlive(x) do { alive += IsNonZero(x); } while (0) + + // After the following line is where the uses of "Check" and such will go. + static int index = 0; +if (offset == -1) { int alive = 0; { uint64_t h = farmhashxo::Hash64WithSeeds(data, len++, SEED0, SEED1); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashxo::Hash64WithSeed(data, len++, SEED); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } { uint64_t h = farmhashxo::Hash64(data, len++); IsAlive(h >> 32); IsAlive((h << 32) >> 32); } len -= 3; return alive > 0; } +{ uint64_t h = farmhashxo::Hash64WithSeeds(data + offset, len, SEED0, SEED1); Check(h >> 32); Check((h << 32) >> 32); } +{ uint64_t h = farmhashxo::Hash64WithSeed(data + offset, len, SEED); Check(h >> 32); Check((h << 32) >> 32); } +{ uint64_t h = farmhashxo::Hash64(data + offset, len); Check(h >> 32); Check((h << 32) >> 32); } + + return true; +#undef Check +#undef IsAlive +} + +int RunTest() { + Setup(); + int i = 0; + cout << "Running farmhashxoTest"; + if (!Test(-1)) { + cout << "... Unavailable\n"; + return NoteErrors(); + } + // Good. The function is attempting to hash, so run the full test. + int errors_prior_to_test = errors; + for ( ; i < kTestSize - 1; i++) { + Test(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + Test(0, i); + } + Test(0, kDataSize); + cout << (errors == errors_prior_to_test ? "... OK\n" : "... Failed\n"); + return NoteErrors(); +} + +#else + +// After the following line is where the code to print hash codes will go. +void Dump(int offset, int len) { +{ uint64_t h = farmhashxo::Hash64WithSeeds(data + offset, len, SEED0, SEED1); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } +{ uint64_t h = farmhashxo::Hash64WithSeed(data + offset, len, SEED); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } +{ uint64_t h = farmhashxo::Hash64(data + offset, len); cout << (h >> 32) << "u, " << ((h << 32) >> 32) << "u," << endl; } +} + +#endif + +#undef SEED +#undef SEED1 +#undef SEED0 + +} // namespace farmhashxoTest + +#if !TESTING +int main(int argc, char** argv) { + Setup(); + cout << "uint32_t expected[] = {\n"; + int i = 0; + for ( ; i < kTestSize - 1; i++) { + farmhashxoTest::Dump(i * i, i); + } + for ( ; i < kDataSize; i += i / 7) { + farmhashxoTest::Dump(0, i); + } + farmhashxoTest::Dump(0, kDataSize); + cout << "};\n"; +} +#endif + +int main() { + farmhashccTest::RunTest(); + farmhashmkTest::RunTest(); + farmhashnaTest::RunTest(); + farmhashntTest::RunTest(); + farmhashsaTest::RunTest(); + farmhashsuTest::RunTest(); + farmhashteTest::RunTest(); + farmhashuoTest::RunTest(); + farmhashxoTest::RunTest(); + __builtin_unreachable(); +} + +#endif // FARMHASHSELFTEST diff --git a/contrib/farmhash/src/farmhash.h b/contrib/farmhash/src/farmhash.h new file mode 100644 index 00000000000..4997bb715a0 --- /dev/null +++ b/contrib/farmhash/src/farmhash.h @@ -0,0 +1,328 @@ +// Copyright (c) 2014 Google, Inc. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// +// FarmHash, by Geoff Pike + +// +// http://code.google.com/p/farmhash/ +// +// This file provides a few functions for hashing strings and other +// data. All of them are high-quality functions in the sense that +// they do well on standard tests such as Austin Appleby's SMHasher. +// They're also fast. FarmHash is the successor to CityHash. +// +// Functions in the FarmHash family are not suitable for cryptography. +// +// WARNING: This code has been only lightly tested on big-endian platforms! +// It is known to work well on little-endian platforms that have a small penalty +// for unaligned reads, such as current Intel and AMD moderate-to-high-end CPUs. +// It should work on all 32-bit and 64-bit platforms that allow unaligned reads; +// bug reports are welcome. +// +// By the way, for some hash functions, given strings a and b, the hash +// of a+b is easily derived from the hashes of a and b. This property +// doesn't hold for any hash functions in this file. + +#ifndef FARM_HASH_H_ +#define FARM_HASH_H_ + +#include +#include +#include +#include // for memcpy and memset +#include + +#ifndef NAMESPACE_FOR_HASH_FUNCTIONS +#define NAMESPACE_FOR_HASH_FUNCTIONS util +#endif + +namespace NAMESPACE_FOR_HASH_FUNCTIONS { + +#if defined(FARMHASH_UINT128_T_DEFINED) +#if defined(__clang__) +#if !defined(uint128_t) +#define uint128_t __uint128_t +#endif +#endif +inline uint64_t Uint128Low64(const uint128_t x) { + return static_cast(x); +} +inline uint64_t Uint128High64(const uint128_t x) { + return static_cast(x >> 64); +} +inline uint128_t Uint128(uint64_t lo, uint64_t hi) { + return lo + (((uint128_t)hi) << 64); +} +#else +typedef std::pair uint128_t; +inline uint64_t Uint128Low64(const uint128_t x) { return x.first; } +inline uint64_t Uint128High64(const uint128_t x) { return x.second; } +inline uint128_t Uint128(uint64_t lo, uint64_t hi) { return uint128_t(lo, hi); } +#endif + + +// BASIC STRING HASHING + +// Hash function for a byte array. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +size_t Hash(const char* s, size_t len); + +// Hash function for a byte array. Most useful in 32-bit binaries. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +uint32_t Hash32(const char* s, size_t len); + +// Hash function for a byte array. For convenience, a 32-bit seed is also +// hashed into the result. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +uint32_t Hash32WithSeed(const char* s, size_t len, uint32_t seed); + +// Hash function for a byte array. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +uint64_t Hash64(const char* s, size_t len); + +// Hash function for a byte array. For convenience, a 64-bit seed is also +// hashed into the result. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +uint64_t Hash64WithSeed(const char* s, size_t len, uint64_t seed); + +// Hash function for a byte array. For convenience, two seeds are also +// hashed into the result. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +uint64_t Hash64WithSeeds(const char* s, size_t len, + uint64_t seed0, uint64_t seed1); + +// Hash function for a byte array. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +uint128_t Hash128(const char* s, size_t len); + +// Hash function for a byte array. For convenience, a 128-bit seed is also +// hashed into the result. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +uint128_t Hash128WithSeed(const char* s, size_t len, uint128_t seed); + +// BASIC NON-STRING HASHING + +// Hash 128 input bits down to 64 bits of output. +// This is intended to be a reasonably good hash function. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +inline uint64_t Hash128to64(uint128_t x) { + // Murmur-inspired hashing. + const uint64_t kMul = 0x9ddfea08eb382d69ULL; + uint64_t a = (Uint128Low64(x) ^ Uint128High64(x)) * kMul; + a ^= (a >> 47); + uint64_t b = (Uint128High64(x) ^ a) * kMul; + b ^= (b >> 47); + b *= kMul; + return b; +} + +// FINGERPRINTING (i.e., good, portable, forever-fixed hash functions) + +// Fingerprint function for a byte array. Most useful in 32-bit binaries. +uint32_t Fingerprint32(const char* s, size_t len); + +// Fingerprint function for a byte array. +uint64_t Fingerprint64(const char* s, size_t len); + +// Fingerprint function for a byte array. +uint128_t Fingerprint128(const char* s, size_t len); + +// This is intended to be a good fingerprinting primitive. +// See below for more overloads. +inline uint64_t Fingerprint(uint128_t x) { + // Murmur-inspired hashing. + const uint64_t kMul = 0x9ddfea08eb382d69ULL; + uint64_t a = (Uint128Low64(x) ^ Uint128High64(x)) * kMul; + a ^= (a >> 47); + uint64_t b = (Uint128High64(x) ^ a) * kMul; + b ^= (b >> 44); + b *= kMul; + b ^= (b >> 41); + b *= kMul; + return b; +} + +// This is intended to be a good fingerprinting primitive. +inline uint64_t Fingerprint(uint64_t x) { + // Murmur-inspired hashing. + const uint64_t kMul = 0x9ddfea08eb382d69ULL; + uint64_t b = x * kMul; + b ^= (b >> 44); + b *= kMul; + b ^= (b >> 41); + b *= kMul; + return b; +} + +#ifndef FARMHASH_NO_CXX_STRING + +// Convenience functions to hash or fingerprint C++ strings. +// These require that Str::data() return a pointer to the first char +// (as a const char*) and that Str::length() return the string's length; +// they work with std::string, for example. + +// Hash function for a byte array. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +template +inline size_t Hash(const Str& s) { + assert(sizeof(s[0]) == 1); + return Hash(s.data(), s.length()); +} + +// Hash function for a byte array. Most useful in 32-bit binaries. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +template +inline uint32_t Hash32(const Str& s) { + assert(sizeof(s[0]) == 1); + return Hash32(s.data(), s.length()); +} + +// Hash function for a byte array. For convenience, a 32-bit seed is also +// hashed into the result. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +template +inline uint32_t Hash32WithSeed(const Str& s, uint32_t seed) { + assert(sizeof(s[0]) == 1); + return Hash32WithSeed(s.data(), s.length(), seed); +} + +// Hash 128 input bits down to 64 bits of output. +// Hash function for a byte array. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +template +inline uint64_t Hash64(const Str& s) { + assert(sizeof(s[0]) == 1); + return Hash64(s.data(), s.length()); +} + +// Hash function for a byte array. For convenience, a 64-bit seed is also +// hashed into the result. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +template +inline uint64_t Hash64WithSeed(const Str& s, uint64_t seed) { + assert(sizeof(s[0]) == 1); + return Hash64WithSeed(s.data(), s.length(), seed); +} + +// Hash function for a byte array. For convenience, two seeds are also +// hashed into the result. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +template +inline uint64_t Hash64WithSeeds(const Str& s, uint64_t seed0, uint64_t seed1) { + assert(sizeof(s[0]) == 1); + return Hash64WithSeeds(s.data(), s.length(), seed0, seed1); +} + +// Hash function for a byte array. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +template +inline uint128_t Hash128(const Str& s) { + assert(sizeof(s[0]) == 1); + return Hash128(s.data(), s.length()); +} + +// Hash function for a byte array. For convenience, a 128-bit seed is also +// hashed into the result. +// May change from time to time, may differ on different platforms, may differ +// depending on NDEBUG. +template +inline uint128_t Hash128WithSeed(const Str& s, uint128_t seed) { + assert(sizeof(s[0]) == 1); + return Hash128(s.data(), s.length(), seed); +} + +// FINGERPRINTING (i.e., good, portable, forever-fixed hash functions) + +// Fingerprint function for a byte array. Most useful in 32-bit binaries. +template +inline uint32_t Fingerprint32(const Str& s) { + assert(sizeof(s[0]) == 1); + return Fingerprint32(s.data(), s.length()); +} + +// Fingerprint 128 input bits down to 64 bits of output. +// Fingerprint function for a byte array. +template +inline uint64_t Fingerprint64(const Str& s) { + assert(sizeof(s[0]) == 1); + return Fingerprint64(s.data(), s.length()); +} + +// Fingerprint function for a byte array. +template +inline uint128_t Fingerprint128(const Str& s) { + assert(sizeof(s[0]) == 1); + return Fingerprint128(s.data(), s.length()); +} + +#endif + +} // namespace NAMESPACE_FOR_HASH_FUNCTIONS + +/* gently define FARMHASH_BIG_ENDIAN when detected big-endian machine */ +#if defined(__BIG_ENDIAN__) + #if !defined(FARMHASH_BIG_ENDIAN) + #define FARMHASH_BIG_ENDIAN + #endif +#elif defined(__LITTLE_ENDIAN__) + // nothing for little-endian +#elif defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && (__BYTE_ORDER == __ORDER_LITTLE_ENDIAN__) + // nothing for little-endian +#elif defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && (__BYTE_ORDER == __ORDER_BIG_ENDIAN__) + #if !defined(FARMHASH_BIG_ENDIAN) + #define FARMHASH_BIG_ENDIAN + #endif +#elif defined(__linux__) || defined(__CYGWIN__) || defined( __GNUC__ ) && !defined(_WIN32) || defined( __GNU_LIBRARY__ ) + #include // libc6-dev, GLIBC + #if BYTE_ORDER == BIG_ENDIAN + #if !defined(FARMHASH_BIG_ENDIAN) + #define FARMHASH_BIG_ENDIAN + #endif + #endif +#elif defined(__OpenBSD__) || defined(__NetBSD__) || defined(__FreeBSD__) || defined(__DragonFly__) || defined(__s390x__) + #include + #if BYTE_ORDER == BIG_ENDIAN + #if !defined(FARMHASH_BIG_ENDIAN) + #define FARMHASH_BIG_ENDIAN + #endif + #endif +#elif defined(_WIN32) + // Windows is (currently) little-endian +#else + #error "Unable to determine endianness!" +#endif /* __BIG_ENDIAN__ */ + +#endif // FARM_HASH_H_ diff --git a/contrib/rapidjson b/contrib/rapidjson new file mode 160000 index 00000000000..f54b0e47a08 --- /dev/null +++ b/contrib/rapidjson @@ -0,0 +1 @@ +Subproject commit f54b0e47a08782a6131cc3d60f94d038fa6e0a51 diff --git a/docker/full-offline.Dockerfile b/docker/full-offline.Dockerfile new file mode 100644 index 00000000000..64561eddac9 --- /dev/null +++ b/docker/full-offline.Dockerfile @@ -0,0 +1,22 @@ +# Copyright 2021 4Paradigm +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# Before building an offline image, copy this Dockerfile to the same directory as OpenMLDB firstly + +# specify a base version of OpenMLDB docker image +ARG version=0.8.5 +FROM ghcr.io/4paradigm/hybridsql:${version} + +RUN cd /root && \ + git clone --recurse-submodules https://github.com/4paradigm/OpenMLDB.git \ No newline at end of file