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X86_64 SSE2 support for Linux

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commit 96d2287c722e4566fd30271c76869f83831e86c2 1 parent 1d8b6e1
@chromicant chromicant authored
View
7 Makefile.am
@@ -14,7 +14,12 @@ INCLUDES = $(PTHREAD_FLAGS) -fno-strict-aliasing $(JANSSON_INCLUDES)
bin_PROGRAMS = minerd
minerd_SOURCES = cpu-miner.c sha256_generic.c sha256_4way.c sha256_via.c \
- sha256_cryptopp.c util.c miner.h compat.h
+ sha256_cryptopp.c sha256_sse2_amd64.c util.c miner.h compat.h
minerd_LDFLAGS = $(PTHREAD_FLAGS)
minerd_LDADD = @LIBCURL@ @JANSSON_LIBS@ @PTHREAD_LIBS@
+if HAS_YASM
+SUBDIRS += x86_64
+minerd_LDADD += x86_64/libx8664.a
+AM_CFLAGS = -DHAS_YASM
+endif
View
33 configure.ac
@@ -42,6 +42,38 @@ else
JANSSON_LIBS=-ljansson
fi
+dnl Find YASM
+has_yasm=false
+AC_PATH_PROG(YASM,[yasm],[true yasm])
+if test "$YASM" = "false" ; then
+ AC_MSG_WARN([yasm is required for the x86_64 SSE2 code, but it was not found])
+fi
+
+AC_MSG_CHECKING([if yasm version is greater than 1.0.1])
+yasmver=`yasm --version | head -1 | cut -d\ -f2`
+yamajor=`echo $yasmver | cut -d. -f1`
+yaminor=`echo $yasmver | cut -d. -f2`
+yamini=`echo $yasmver | cut -d. -f3`
+if test "$yamajor" -ge "1" ; then
+ if test "$yamajor" -eq "1" ; then
+ if test "$yaminor" -ge "0" ; then
+ if test "$yamini" -ge "1"; then
+ has_yasm=true
+ fi
+ fi
+ fi
+else
+has_yasm=false
+fi
+
+if test "x$has_yasm" != "x" ; then
+ AC_MSG_RESULT([yes])
+else
+ AC_MSG_RESULT([no])
+fi
+
+AM_CONDITIONAL([HAS_YASM], [test x$has_yasm = xtrue])
+
PKG_PROG_PKG_CONFIG()
LIBCURL_CHECK_CONFIG(, 7.10.1, ,
@@ -55,6 +87,7 @@ AC_CONFIG_FILES([
Makefile
compat/Makefile
compat/jansson/Makefile
+ x86_64/Makefile
])
AC_OUTPUT
View
19 cpu-miner.c
@@ -38,6 +38,7 @@ enum sha256_algos {
ALGO_VIA, /* VIA padlock */
ALGO_CRYPTOPP, /* Crypto++ (C) */
ALGO_CRYPTOPP_ASM32, /* Crypto++ 32-bit assembly */
+ ALGO_SSE2_64, /* SSE2 for x86_64 */
};
static const char *algo_names[] = {
@@ -52,6 +53,9 @@ static const char *algo_names[] = {
#ifdef WANT_CRYPTOPP_ASM32
[ALGO_CRYPTOPP_ASM32] = "cryptopp_asm32",
#endif
+#ifdef WANT_X8664_SSE2
+ [ALGO_SSE2_64] = "sse2_64",
+#endif
};
bool opt_debug = false;
@@ -94,6 +98,9 @@ static struct option_help options_help[] = {
#ifdef WANT_CRYPTOPP_ASM32
"\n\tcryptopp_asm32\tCrypto++ 32-bit assembler implementation"
#endif
+#ifdef WANT_X8664_SSE2
+ "\n\tsse2_64\t\tSSE2 implementation for x86_64 machines"
+#endif
},
{ "quiet",
@@ -331,6 +338,18 @@ static void *miner_thread(void *thr_id_int)
max_nonce, &hashes_done);
break;
+#ifdef WANT_X8664_SSE2
+ case ALGO_SSE2_64: {
+ unsigned int rc5 =
+ scanhash_sse2_64(work.midstate, work.data + 64,
+ work.hash1, work.hash,
+ work.target,
+ max_nonce, &hashes_done);
+ rc = (rc5 == -1) ? false : true;
+ }
+ break;
+#endif
+
#ifdef WANT_SSE2_4WAY
case ALGO_4WAY: {
unsigned int rc4 =
View
9 miner.h
@@ -15,6 +15,10 @@
#define WANT_VIA_PADLOCK 1
#endif
+#if defined(__x86_64__) && defined(__SSE2__) && defined(HAS_YASM)
+#define WANT_X8664_SSE2 1
+#endif
+
#if ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))
#define WANT_BUILTIN_BSWAP
#else
@@ -74,6 +78,11 @@ extern unsigned int ScanHash_4WaySSE2(const unsigned char *pmidstate,
const unsigned char *ptarget,
uint32_t max_nonce, unsigned long *nHashesDone);
+extern unsigned int scanhash_sse2_amd64(const unsigned char *pmidstate,
+ unsigned char *pdata, unsigned char *phash1, unsigned char *phash,
+ const unsigned char *ptarget,
+ uint32_t max_nonce, unsigned long *nHashesDone);
+
extern bool scanhash_via(unsigned char *data_inout,
const unsigned char *target,
uint32_t max_nonce, unsigned long *hashes_done);
View
129 sha256_sse2_amd64.c
@@ -0,0 +1,129 @@
+/*
+ * SHA-256 driver for ASM routine for x86_64 on Linux
+ * Copyright (c) Mark Crichton <crichton@gimp.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ */
+
+#include "miner.h"
+
+#ifdef WANT_X8664_SSE2
+
+#include <string.h>
+#include <assert.h>
+
+#include <xmmintrin.h>
+#include <stdint.h>
+#include <stdio.h>
+
+extern void CalcSha256_x64(__m128i *res, __m128i *data, uint32_t init[8]);
+
+uint32_t g_sha256_k[] = {
+ 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, /* 0 */
+ 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
+ 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, /* 8 */
+ 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
+ 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, /* 16 */
+ 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
+ 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, /* 24 */
+ 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
+ 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, /* 32 */
+ 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
+ 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, /* 40 */
+ 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
+ 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, /* 48 */
+ 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
+ 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, /* 56 */
+ 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
+};
+
+
+uint32_t g_sha256_hinit[8] =
+{0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a, 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19};
+
+__m128i g_4sha256_k[64];
+
+int scanhash_sse2_64(const unsigned char *pmidstate, unsigned char *pdata,
+ unsigned char *phash1, unsigned char *phash,
+ const unsigned char *ptarget,
+ uint32_t max_nonce, unsigned long *nHashesDone)
+{
+ uint32_t *nNonce_p = (uint32_t *)(pdata + 12);
+ uint32_t nonce = 0;
+ uint32_t m_midstate[8], m_w[16], m_w1[16];
+ __m128i m_4w[64], m_4hash[64], m_4hash1[64];
+ __m128i offset;
+ __m128i g_4sha256_hinit[8];
+ int i;
+
+ /* For debugging */
+ union {
+ __m128i m;
+ uint32_t i[4];
+ } mi;
+
+ /* Message expansion */
+ memcpy(m_midstate, pmidstate, sizeof(m_midstate));
+ memcpy(m_w, pdata, sizeof(m_w)); /* The 2nd half of the data */
+ memcpy(m_w1, phash1, sizeof(m_w1));
+ memset(m_4hash, 0, sizeof(m_4hash));
+
+ /* Transmongrify */
+ for (i = 0; i < 16; i++)
+ m_4w[i] = _mm_set1_epi32(m_w[i]);
+
+ for (i = 0; i < 16; i++)
+ m_4hash1[i] = _mm_set1_epi32(m_w1[i]);
+
+ for (i = 0; i < 64; i++)
+ g_4sha256_k[i] = _mm_set1_epi32(g_sha256_k[i]);
+
+ offset = _mm_set_epi32(0x3, 0x2, 0x1, 0x0);
+
+ for (;;)
+ {
+ int j;
+
+ m_4w[3] = _mm_add_epi32(offset, _mm_set1_epi32(nonce));
+
+ /* Some optimization can be done here W.R.T. precalculating some hash */
+ CalcSha256_x64(m_4hash1, m_4w, m_midstate);
+ CalcSha256_x64(m_4hash, m_4hash1, g_sha256_hinit);
+
+ for (j = 0; j < 4; j++) {
+ mi.m = m_4hash[7];
+ if (mi.i[j] == 0)
+ break;
+ }
+
+ /* If j = true, we found a hit...so check it */
+ /* Use the C version for a check... */
+ if (j != 4) {
+ for (i = 0; i < 8; i++) {
+ mi.m = m_4hash[i];
+ *(uint32_t *)&(phash)[i*4] = mi.i[j];
+ }
+
+ if (fulltest(phash, ptarget)) {
+ *nHashesDone = nonce;
+ *nNonce_p = nonce + j;
+ return nonce + j;
+ }
+ }
+
+ nonce += 4;
+
+ if (nonce >= max_nonce)
+ {
+ *nHashesDone = nonce;
+ return -1;
+ }
+ }
+}
+
+#endif /* WANT_X8664_SSE2 */
+
View
1  x86_64/.gitignore
@@ -0,0 +1 @@
+libx8664.a
View
8 x86_64/Makefile.am
@@ -0,0 +1,8 @@
+noinst_LIBRARIES = libx8664.a
+
+SUFFIXES = .asm
+
+libx8664_a_SOURCES = sha256_xmm_amd64.asm
+
+.asm.o:
+ $(YASM) -f elf64 $<
View
219 x86_64/sha256_xmm_amd64.asm
@@ -0,0 +1,219 @@
+;; SHA-256 for X86-64 for Linux, based off of:
+
+; (c) Ufasoft 2011 http://ufasoft.com mailto:support@ufasoft.com
+; Version 2011
+; This software is Public Domain
+
+; SHA-256 CPU SSE cruncher for Bitcoin Miner
+
+ALIGN 32
+BITS 64
+
+%define hash rdi
+%define data rsi
+%define init rdx
+
+extern g_4sha256_k
+
+global CalcSha256_x64
+; CalcSha256 hash(rdi), data(rsi), init(rdx)
+CalcSha256_x64:
+
+ push rbx
+
+LAB_NEXT_NONCE:
+ mov r11, data
+; mov rax, pnonce
+; mov eax, [rax]
+; mov [rbx+3*16], eax
+; inc eax
+; mov [rbx+3*16+4], eax
+; inc eax
+; mov [rbx+3*16+8], eax
+; inc eax
+; mov [rbx+3*16+12], eax
+
+ mov rcx, 64*4 ;rcx is # of SHA-2 rounds
+ mov rax, 16*4 ;rax is where we expand to
+
+LAB_SHA:
+ push rcx
+ lea rcx, qword [r11+rcx*4]
+ lea r11, qword [r11+rax*4]
+LAB_CALC:
+ movdqa xmm0, [r11-15*16]
+ movdqa xmm2, xmm0 ; (Rotr32(w_15, 7) ^ Rotr32(w_15, 18) ^ (w_15 >> 3))
+ psrld xmm0, 3
+ movdqa xmm1, xmm0
+ pslld xmm2, 14
+ psrld xmm1, 4
+ pxor xmm0, xmm1
+ pxor xmm0, xmm2
+ pslld xmm2, 11
+ psrld xmm1, 11
+ pxor xmm0, xmm1
+ pxor xmm0, xmm2
+
+ paddd xmm0, [r11-16*16]
+
+ movdqa xmm3, [r11-2*16]
+ movdqa xmm2, xmm3 ; (Rotr32(w_2, 17) ^ Rotr32(w_2, 19) ^ (w_2 >> 10))
+ psrld xmm3, 10
+ movdqa xmm1, xmm3
+ pslld xmm2, 13
+ psrld xmm1, 7
+ pxor xmm3, xmm1
+ pxor xmm3, xmm2
+ pslld xmm2, 2
+ psrld xmm1, 2
+ pxor xmm3, xmm1
+ pxor xmm3, xmm2
+ paddd xmm0, xmm3
+
+ paddd xmm0, [r11-7*16]
+ movdqa [r11], xmm0
+ add r11, 16
+ cmp r11, rcx
+ jb LAB_CALC
+ pop rcx
+
+ mov rax, 0
+
+; Load the init values of the message into the hash.
+
+ movd xmm0, dword [rdx+4*4] ; xmm0 == e
+ pshufd xmm0, xmm0, 0
+ movd xmm3, dword [rdx+3*4] ; xmm3 == d
+ pshufd xmm3, xmm3, 0
+ movd xmm4, dword [rdx+2*4] ; xmm4 == c
+ pshufd xmm4, xmm4, 0
+ movd xmm5, dword [rdx+1*4] ; xmm5 == b
+ pshufd xmm5, xmm5, 0
+ movd xmm7, dword [rdx+0*4] ; xmm7 == a
+ pshufd xmm7, xmm7, 0
+ movd xmm8, dword [rdx+5*4] ; xmm8 == f
+ pshufd xmm8, xmm8, 0
+ movd xmm9, dword [rdx+6*4] ; xmm9 == g
+ pshufd xmm9, xmm9, 0
+ movd xmm10, dword [rdx+7*4] ; xmm10 == h
+ pshufd xmm10, xmm10, 0
+
+LAB_LOOP:
+
+;; T t1 = h + (Rotr32(e, 6) ^ Rotr32(e, 11) ^ Rotr32(e, 25)) + ((e & f) ^ AndNot(e, g)) + Expand32<T>(g_sha256_k[j]) + w[j]
+
+ movdqa xmm6, [rsi+rax*4]
+ paddd xmm6, g_4sha256_k[rax*4]
+ add rax, 4
+
+ paddd xmm6, xmm10 ; +h
+
+ movdqa xmm1, xmm0
+ movdqa xmm2, xmm9
+ pandn xmm1, xmm2 ; ~e & g
+
+ movdqa xmm10, xmm2 ; h = g
+ movdqa xmm2, xmm8 ; f
+ movdqa xmm9, xmm2 ; g = f
+
+ pand xmm2, xmm0 ; e & f
+ pxor xmm1, xmm2 ; (e & f) ^ (~e & g)
+ movdqa xmm8, xmm0 ; f = e
+
+ paddd xmm6, xmm1 ; Ch + h + w[i] + k[i]
+
+ movdqa xmm1, xmm0
+ psrld xmm0, 6
+ movdqa xmm2, xmm0
+ pslld xmm1, 7
+ psrld xmm2, 5
+ pxor xmm0, xmm1
+ pxor xmm0, xmm2
+ pslld xmm1, 14
+ psrld xmm2, 14
+ pxor xmm0, xmm1
+ pxor xmm0, xmm2
+ pslld xmm1, 5
+ pxor xmm0, xmm1 ; Rotr32(e, 6) ^ Rotr32(e, 11) ^ Rotr32(e, 25)
+ paddd xmm6, xmm0 ; xmm6 = t1
+
+ movdqa xmm0, xmm3 ; d
+ paddd xmm0, xmm6 ; e = d+t1
+
+ movdqa xmm1, xmm5 ; =b
+ movdqa xmm3, xmm4 ; d = c
+ movdqa xmm2, xmm4 ; c
+ pand xmm2, xmm5 ; b & c
+ pand xmm4, xmm7 ; a & c
+ pand xmm1, xmm7 ; a & b
+ pxor xmm1, xmm4
+ movdqa xmm4, xmm5 ; c = b
+ movdqa xmm5, xmm7 ; b = a
+ pxor xmm1, xmm2 ; (a & c) ^ (a & d) ^ (c & d)
+ paddd xmm6, xmm1 ; t1 + ((a & c) ^ (a & d) ^ (c & d))
+
+ movdqa xmm2, xmm7
+ psrld xmm7, 2
+ movdqa xmm1, xmm7
+ pslld xmm2, 10
+ psrld xmm1, 11
+ pxor xmm7, xmm2
+ pxor xmm7, xmm1
+ pslld xmm2, 9
+ psrld xmm1, 9
+ pxor xmm7, xmm2
+ pxor xmm7, xmm1
+ pslld xmm2, 11
+ pxor xmm7, xmm2
+ paddd xmm7, xmm6 ; a = t1 + (Rotr32(a, 2) ^ Rotr32(a, 13) ^ Rotr32(a, 22)) + ((a & c) ^ (a & d) ^ (c & d));
+
+ cmp rax, rcx
+ jb LAB_LOOP
+
+; Finished the 64 rounds, calculate hash and save
+
+ movd xmm1, dword [rdx+0*4]
+ pshufd xmm1, xmm1, 0
+ paddd xmm7, xmm1
+
+ movd xmm1, dword [rdx+1*4]
+ pshufd xmm1, xmm1, 0
+ paddd xmm5, xmm1
+
+ movd xmm1, dword [rdx+2*4]
+ pshufd xmm1, xmm1, 0
+ paddd xmm4, xmm1
+
+ movd xmm1, dword [rdx+3*4]
+ pshufd xmm1, xmm1, 0
+ paddd xmm3, xmm1
+
+ movd xmm1, dword [rdx+4*4]
+ pshufd xmm1, xmm1, 0
+ paddd xmm0, xmm1
+
+ movd xmm1, dword [rdx+5*4]
+ pshufd xmm1, xmm1, 0
+ paddd xmm8, xmm1
+
+ movd xmm1, dword [rdx+6*4]
+ pshufd xmm1, xmm1, 0
+ paddd xmm9, xmm1
+
+ movd xmm1, dword [rdx+7*4]
+ pshufd xmm1, xmm1, 0
+ paddd xmm10, xmm1
+
+debug_me:
+ movdqa [rdi+0*16], xmm7
+ movdqa [rdi+1*16], xmm5
+ movdqa [rdi+2*16], xmm4
+ movdqa [rdi+3*16], xmm3
+ movdqa [rdi+4*16], xmm0
+ movdqa [rdi+5*16], xmm8
+ movdqa [rdi+6*16], xmm9
+ movdqa [rdi+7*16], xmm10
+
+LAB_RET:
+ pop rbx
+ ret
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