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kokkos_arch.cmake
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kokkos_arch.cmake
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FUNCTION(KOKKOS_ARCH_OPTION SUFFIX DEV_TYPE DESCRIPTION DEPENDENCY)
#all optimizations off by default
KOKKOS_DEPENDENT_OPTION(ARCH_${SUFFIX} "Optimize for ${DESCRIPTION} (${DEV_TYPE})" OFF "${DEPENDENCY}" OFF)
SET(KOKKOS_ARCH_${SUFFIX} ${KOKKOS_ARCH_${SUFFIX}} PARENT_SCOPE)
SET(KOKKOS_OPTION_KEYS ${KOKKOS_OPTION_KEYS} PARENT_SCOPE)
SET(KOKKOS_OPTION_VALUES ${KOKKOS_OPTION_VALUES} PARENT_SCOPE)
SET(KOKKOS_OPTION_TYPES ${KOKKOS_OPTION_TYPES} PARENT_SCOPE)
IF(KOKKOS_ARCH_${SUFFIX})
LIST(APPEND KOKKOS_ENABLED_ARCH_LIST ${SUFFIX})
SET(KOKKOS_ENABLED_ARCH_LIST ${KOKKOS_ENABLED_ARCH_LIST} PARENT_SCOPE)
ENDIF()
ENDFUNCTION()
# Make sure devices and compiler ID are done
KOKKOS_CFG_DEPENDS(ARCH COMPILER_ID)
KOKKOS_CFG_DEPENDS(ARCH DEVICES)
KOKKOS_CFG_DEPENDS(ARCH OPTIONS)
KOKKOS_CHECK_DEPRECATED_OPTIONS(
ARCH_EPYC "Please replace EPYC with ZEN or ZEN2, depending on your platform"
ARCH_RYZEN "Please replace RYZEN with ZEN or ZEN2, depending on your platform"
)
#-------------------------------------------------------------------------------
# List of possible host architectures.
#-------------------------------------------------------------------------------
SET(KOKKOS_ARCH_LIST)
KOKKOS_DEPRECATED_LIST(ARCH ARCH)
SET(HOST_ARCH_ALREADY_SPECIFIED "")
MACRO(DECLARE_AND_CHECK_HOST_ARCH ARCH LABEL)
KOKKOS_ARCH_OPTION(${ARCH} HOST "${LABEL}" TRUE)
IF(KOKKOS_ARCH_${ARCH})
IF(HOST_ARCH_ALREADY_SPECIFIED)
MESSAGE(FATAL_ERROR "Multiple host architectures given! Already have ${HOST_ARCH_ALREADY_SPECIFIED}, but trying to add ${ARCH}. If you are re-running CMake, try clearing the cache and running again.")
ENDIF()
SET(HOST_ARCH_ALREADY_SPECIFIED ${ARCH})
ENDIF()
ENDMACRO()
DECLARE_AND_CHECK_HOST_ARCH(NATIVE "local machine")
DECLARE_AND_CHECK_HOST_ARCH(AMDAVX "AMD chip")
DECLARE_AND_CHECK_HOST_ARCH(ARMV80 "ARMv8.0 Compatible CPU")
DECLARE_AND_CHECK_HOST_ARCH(ARMV81 "ARMv8.1 Compatible CPU")
DECLARE_AND_CHECK_HOST_ARCH(ARMV8_THUNDERX "ARMv8 Cavium ThunderX CPU")
DECLARE_AND_CHECK_HOST_ARCH(ARMV8_THUNDERX2 "ARMv8 Cavium ThunderX2 CPU")
DECLARE_AND_CHECK_HOST_ARCH(A64FX "ARMv8.2 with SVE Support")
DECLARE_AND_CHECK_HOST_ARCH(SNB "Intel Sandy/Ivy Bridge CPUs")
DECLARE_AND_CHECK_HOST_ARCH(HSW "Intel Haswell CPUs")
DECLARE_AND_CHECK_HOST_ARCH(BDW "Intel Broadwell Xeon E-class CPUs")
DECLARE_AND_CHECK_HOST_ARCH(ICL "Intel Ice Lake Client CPUs (AVX512)")
DECLARE_AND_CHECK_HOST_ARCH(ICX "Intel Ice Lake Xeon Server CPUs (AVX512)")
DECLARE_AND_CHECK_HOST_ARCH(SKL "Intel Skylake Client CPUs")
DECLARE_AND_CHECK_HOST_ARCH(SKX "Intel Skylake Xeon Server CPUs (AVX512)")
DECLARE_AND_CHECK_HOST_ARCH(KNC "Intel Knights Corner Xeon Phi")
DECLARE_AND_CHECK_HOST_ARCH(KNL "Intel Knights Landing Xeon Phi")
DECLARE_AND_CHECK_HOST_ARCH(SPR "Intel Sapphire Rapids Xeon Server CPUs (AVX512)")
DECLARE_AND_CHECK_HOST_ARCH(POWER8 "IBM POWER8 CPUs")
DECLARE_AND_CHECK_HOST_ARCH(POWER9 "IBM POWER9 CPUs")
DECLARE_AND_CHECK_HOST_ARCH(ZEN "AMD Zen architecture")
DECLARE_AND_CHECK_HOST_ARCH(ZEN2 "AMD Zen2 architecture")
DECLARE_AND_CHECK_HOST_ARCH(ZEN3 "AMD Zen3 architecture")
DECLARE_AND_CHECK_HOST_ARCH(RISCV_SG2042 "SG2042 (RISC-V) CPUs")
IF(Kokkos_ENABLE_CUDA OR Kokkos_ENABLE_OPENMPTARGET OR Kokkos_ENABLE_OPENACC OR Kokkos_ENABLE_SYCL)
SET(KOKKOS_SHOW_CUDA_ARCHS ON)
ENDIF()
KOKKOS_ARCH_OPTION(KEPLER30 GPU "NVIDIA Kepler generation CC 3.0" "KOKKOS_SHOW_CUDA_ARCHS")
KOKKOS_ARCH_OPTION(KEPLER32 GPU "NVIDIA Kepler generation CC 3.2" "KOKKOS_SHOW_CUDA_ARCHS")
KOKKOS_ARCH_OPTION(KEPLER35 GPU "NVIDIA Kepler generation CC 3.5" "KOKKOS_SHOW_CUDA_ARCHS")
KOKKOS_ARCH_OPTION(KEPLER37 GPU "NVIDIA Kepler generation CC 3.7" "KOKKOS_SHOW_CUDA_ARCHS")
KOKKOS_ARCH_OPTION(MAXWELL50 GPU "NVIDIA Maxwell generation CC 5.0" "KOKKOS_SHOW_CUDA_ARCHS")
KOKKOS_ARCH_OPTION(MAXWELL52 GPU "NVIDIA Maxwell generation CC 5.2" "KOKKOS_SHOW_CUDA_ARCHS")
KOKKOS_ARCH_OPTION(MAXWELL53 GPU "NVIDIA Maxwell generation CC 5.3" "KOKKOS_SHOW_CUDA_ARCHS")
KOKKOS_ARCH_OPTION(PASCAL60 GPU "NVIDIA Pascal generation CC 6.0" "KOKKOS_SHOW_CUDA_ARCHS")
KOKKOS_ARCH_OPTION(PASCAL61 GPU "NVIDIA Pascal generation CC 6.1" "KOKKOS_SHOW_CUDA_ARCHS")
KOKKOS_ARCH_OPTION(VOLTA70 GPU "NVIDIA Volta generation CC 7.0" "KOKKOS_SHOW_CUDA_ARCHS")
KOKKOS_ARCH_OPTION(VOLTA72 GPU "NVIDIA Volta generation CC 7.2" "KOKKOS_SHOW_CUDA_ARCHS")
KOKKOS_ARCH_OPTION(TURING75 GPU "NVIDIA Turing generation CC 7.5" "KOKKOS_SHOW_CUDA_ARCHS")
KOKKOS_ARCH_OPTION(AMPERE80 GPU "NVIDIA Ampere generation CC 8.0" "KOKKOS_SHOW_CUDA_ARCHS")
KOKKOS_ARCH_OPTION(AMPERE86 GPU "NVIDIA Ampere generation CC 8.6" "KOKKOS_SHOW_CUDA_ARCHS")
KOKKOS_ARCH_OPTION(ADA89 GPU "NVIDIA Ada generation CC 8.9" "KOKKOS_SHOW_CUDA_ARCHS")
KOKKOS_ARCH_OPTION(HOPPER90 GPU "NVIDIA Hopper generation CC 9.0" "KOKKOS_SHOW_CUDA_ARCHS")
IF(Kokkos_ENABLE_HIP OR Kokkos_ENABLE_OPENMPTARGET OR Kokkos_ENABLE_OPENACC OR Kokkos_ENABLE_SYCL)
SET(KOKKOS_SHOW_HIP_ARCHS ON)
ENDIF()
# AMD archs ordered in decreasing priority of autodetection
LIST(APPEND SUPPORTED_AMD_GPUS MI300 MI300)
LIST(APPEND SUPPORTED_AMD_ARCHS AMD_GFX942 AMD_GFX940)
LIST(APPEND CORRESPONDING_AMD_FLAGS gfx942 gfx940)
LIST(APPEND SUPPORTED_AMD_GPUS MI200 MI200 MI100 MI100)
LIST(APPEND SUPPORTED_AMD_ARCHS VEGA90A AMD_GFX90A VEGA908 AMD_GFX908)
LIST(APPEND CORRESPONDING_AMD_FLAGS gfx90a gfx90a gfx908 gfx908)
LIST(APPEND SUPPORTED_AMD_GPUS MI50/60 MI50/60)
LIST(APPEND SUPPORTED_AMD_ARCHS VEGA906 AMD_GFX906)
LIST(APPEND CORRESPONDING_AMD_FLAGS gfx906 gfx906)
LIST(APPEND SUPPORTED_AMD_GPUS RX7900XTX RX7900XTX V620/W6800 V620/W6800)
LIST(APPEND SUPPORTED_AMD_ARCHS NAVI1100 AMD_GFX1100 NAVI1030 AMD_GFX1030)
LIST(APPEND CORRESPONDING_AMD_FLAGS gfx1100 gfx1100 gfx1030 gfx1030)
#FIXME CAN BE REPLACED WITH LIST_ZIP IN CMAKE 3.17
FOREACH(ARCH IN LISTS SUPPORTED_AMD_ARCHS)
LIST(FIND SUPPORTED_AMD_ARCHS ${ARCH} LIST_INDEX)
LIST(GET SUPPORTED_AMD_GPUS ${LIST_INDEX} GPU)
LIST(GET CORRESPONDING_AMD_FLAGS ${LIST_INDEX} FLAG)
KOKKOS_ARCH_OPTION(${ARCH} GPU "AMD GPU ${GPU} ${FLAG}" "KOKKOS_SHOW_HIP_ARCHS")
ENDFOREACH()
IF(Kokkos_ENABLE_SYCL OR Kokkos_ENABLE_OPENMPTARGET)
SET(KOKKOS_SHOW_SYCL_ARCHS ON)
ENDIF()
KOKKOS_ARCH_OPTION(INTEL_GEN GPU "SPIR64-based devices, e.g. Intel GPUs, using JIT" "KOKKOS_SHOW_SYCL_ARCHS")
KOKKOS_ARCH_OPTION(INTEL_DG1 GPU "Intel Iris XeMAX GPU" "KOKKOS_SHOW_SYCL_ARCHS")
KOKKOS_ARCH_OPTION(INTEL_GEN9 GPU "Intel GPU Gen9" "KOKKOS_SHOW_SYCL_ARCHS")
KOKKOS_ARCH_OPTION(INTEL_GEN11 GPU "Intel GPU Gen11" "KOKKOS_SHOW_SYCL_ARCHS")
KOKKOS_ARCH_OPTION(INTEL_GEN12LP GPU "Intel GPU Gen12LP" "KOKKOS_SHOW_SYCL_ARCHS")
KOKKOS_ARCH_OPTION(INTEL_XEHP GPU "Intel GPU Xe-HP" "KOKKOS_SHOW_SYCL_ARCHS")
KOKKOS_ARCH_OPTION(INTEL_PVC GPU "Intel GPU Ponte Vecchio" "KOKKOS_SHOW_SYCL_ARCHS")
IF(KOKKOS_ENABLE_COMPILER_WARNINGS)
SET(COMMON_WARNINGS
"-Wall" "-Wextra" "-Wunused-parameter" "-Wshadow" "-pedantic"
"-Wsign-compare" "-Wtype-limits" "-Wuninitialized")
# NOTE KOKKOS_ prefixed variable (all uppercase) is not set yet because TPLs are processed after ARCH
IF(Kokkos_ENABLE_LIBQUADMATH)
# warning: non-standard suffix on floating constant [-Wpedantic]
LIST(REMOVE_ITEM COMMON_WARNINGS "-pedantic")
ENDIF()
# NVHPC compiler does not support -Wtype-limits.
IF(KOKKOS_ENABLE_OPENACC)
IF(KOKKOS_CXX_COMPILER_ID STREQUAL NVHPC)
LIST(REMOVE_ITEM COMMON_WARNINGS "-Wtype-limits")
ENDIF()
ENDIF()
IF(KOKKOS_CXX_COMPILER_ID STREQUAL Clang)
LIST(APPEND COMMON_WARNINGS "-Wimplicit-fallthrough")
ENDIF()
SET(GNU_WARNINGS "-Wempty-body" "-Wclobbered" "-Wignored-qualifiers"
${COMMON_WARNINGS})
IF(KOKKOS_CXX_COMPILER_ID STREQUAL GNU)
LIST(APPEND GNU_WARNINGS "-Wimplicit-fallthrough")
ENDIF()
# Not using COMPILER_SPECIFIC_FLAGS function so the warning flags are not passed downstream
IF(CMAKE_CXX_COMPILER_ID STREQUAL GNU)
STRING(REPLACE ";" " " WARNING_FLAGS "${GNU_WARNINGS}")
ELSEIF(CMAKE_CXX_COMPILER_ID STREQUAL NVHPC)
# FIXME_NVHPC
ELSE()
STRING(REPLACE ";" " " WARNING_FLAGS "${COMMON_WARNINGS}")
ENDIF()
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${WARNING_FLAGS}")
ENDIF()
#------------------------------- KOKKOS_CUDA_OPTIONS ---------------------------
#clear anything that might be in the cache
GLOBAL_SET(KOKKOS_CUDA_OPTIONS)
# Construct the Makefile options
IF(KOKKOS_CXX_COMPILER_ID STREQUAL NVIDIA)
GLOBAL_APPEND(KOKKOS_CUDA_OPTIONS "-extended-lambda")
GLOBAL_APPEND(KOKKOS_CUDA_OPTIONS "-Wext-lambda-captures-this")
ENDIF()
IF (KOKKOS_ENABLE_CUDA_CONSTEXPR)
IF(KOKKOS_CXX_COMPILER_ID STREQUAL NVIDIA)
GLOBAL_APPEND(KOKKOS_CUDA_OPTIONS "-expt-relaxed-constexpr")
ENDIF()
ENDIF()
IF (KOKKOS_CXX_COMPILER_ID STREQUAL Clang)
SET(CUDA_ARCH_FLAG "--cuda-gpu-arch")
GLOBAL_APPEND(KOKKOS_CUDA_OPTIONS -x cuda)
# Kokkos_CUDA_DIR has priority over CUDAToolkit_BIN_DIR
IF (Kokkos_CUDA_DIR)
GLOBAL_APPEND(KOKKOS_CUDA_OPTIONS --cuda-path=${Kokkos_CUDA_DIR})
ELSEIF(CUDAToolkit_BIN_DIR)
GLOBAL_APPEND(KOKKOS_CUDA_OPTIONS --cuda-path=${CUDAToolkit_BIN_DIR}/..)
ENDIF()
ELSEIF (KOKKOS_CXX_COMPILER_ID STREQUAL NVHPC)
SET(CUDA_ARCH_FLAG "-gpu")
GLOBAL_APPEND(KOKKOS_CUDA_OPTIONS -cuda)
IF (KOKKOS_ENABLE_CUDA) # FIXME ideally unreachable when CUDA not enabled
GLOBAL_APPEND(KOKKOS_LINK_OPTIONS -cuda)
ENDIF()
ELSEIF(KOKKOS_CXX_COMPILER_ID STREQUAL NVIDIA)
SET(CUDA_ARCH_FLAG "-arch")
ENDIF()
IF (KOKKOS_CXX_COMPILER_ID STREQUAL NVIDIA)
STRING(TOUPPER "${CMAKE_BUILD_TYPE}" _UPPERCASE_CMAKE_BUILD_TYPE)
IF (KOKKOS_ENABLE_DEBUG OR _UPPERCASE_CMAKE_BUILD_TYPE STREQUAL "DEBUG")
GLOBAL_APPEND(KOKKOS_CUDA_OPTIONS -lineinfo)
ENDIF()
UNSET(_UPPERCASE_CMAKE_BUILD_TYPE)
ENDIF()
#------------------------------- KOKKOS_HIP_OPTIONS ---------------------------
#clear anything that might be in the cache
GLOBAL_SET(KOKKOS_AMDGPU_OPTIONS)
IF(KOKKOS_ENABLE_HIP)
SET(AMDGPU_ARCH_FLAG "--offload-arch")
IF(NOT KOKKOS_CXX_COMPILER_ID STREQUAL HIPCC)
IF (NOT CMAKE_CXX_STANDARD)
MESSAGE(FATAL_ERROR "Kokkos requires CMAKE_CXX_STANDARD to set to 17 or higher")
ENDIF()
GLOBAL_APPEND(KOKKOS_AMDGPU_OPTIONS -xhip)
IF(DEFINED ENV{ROCM_PATH})
GLOBAL_APPEND(KOKKOS_AMDGPU_OPTIONS --rocm-path=$ENV{ROCM_PATH})
ENDIF()
ENDIF()
ENDIF()
IF(KOKKOS_ARCH_NATIVE)
IF(KOKKOS_CXX_HOST_COMPILER_ID STREQUAL "MSVC")
MESSAGE(FATAL_ERROR "MSVC doesn't support ARCH_NATIVE!")
ENDIF()
STRING(TOUPPER "${CMAKE_SYSTEM_PROCESSOR}" KOKKOS_UC_SYSTEM_PROCESSOR)
IF(KOKKOS_UC_SYSTEM_PROCESSOR MATCHES "(X86)|(AMD64)")
SET(KOKKOS_NATIVE_FLAGS "-march=native;-mtune=native")
ELSE()
SET(KOKKOS_NATIVE_FLAGS "-mcpu=native")
ENDIF()
COMPILER_SPECIFIC_FLAGS(
COMPILER_ID KOKKOS_CXX_HOST_COMPILER_ID
NVHPC -tp=native
DEFAULT ${KOKKOS_NATIVE_FLAGS}
)
ENDIF()
IF (KOKKOS_ARCH_ARMV80)
SET(KOKKOS_ARCH_ARM_NEON ON)
COMPILER_SPECIFIC_FLAGS(
COMPILER_ID KOKKOS_CXX_HOST_COMPILER_ID
Cray NO-VALUE-SPECIFIED
MSVC /arch:armv8.0
NVHPC NO-VALUE-SPECIFIED
DEFAULT -march=armv8-a
)
ENDIF()
IF (KOKKOS_ARCH_ARMV81)
SET(KOKKOS_ARCH_ARM_NEON ON)
COMPILER_SPECIFIC_FLAGS(
COMPILER_ID KOKKOS_CXX_HOST_COMPILER_ID
Cray NO-VALUE-SPECIFIED
MSVC /arch:armv8.1
NVHPC NO-VALUE-SPECIFIED
DEFAULT -march=armv8.1-a
)
ENDIF()
IF (KOKKOS_ARCH_ARMV8_THUNDERX)
SET(KOKKOS_ARCH_ARM_NEON ON)
SET(KOKKOS_ARCH_ARMV80 ON) #Not a cache variable
COMPILER_SPECIFIC_FLAGS(
COMPILER_ID KOKKOS_CXX_HOST_COMPILER_ID
Cray NO-VALUE-SPECIFIED
MSVC /arch:armv8.0
NVHPC NO-VALUE-SPECIFIED
DEFAULT -march=armv8-a -mtune=thunderx
)
ENDIF()
IF (KOKKOS_ARCH_ARMV8_THUNDERX2)
SET(KOKKOS_ARCH_ARM_NEON ON)
SET(KOKKOS_ARCH_ARMV81 ON) #Not a cache variable
COMPILER_SPECIFIC_FLAGS(
COMPILER_ID KOKKOS_CXX_HOST_COMPILER_ID
Cray NO-VALUE-SPECIFIED
MSVC /arch:armv8.1
NVHPC NO-VALUE-SPECIFIED
DEFAULT -mcpu=thunderx2t99 -mtune=thunderx2t99
)
ENDIF()
IF (KOKKOS_ARCH_A64FX)
SET(KOKKOS_ARCH_ARM_NEON ON)
COMPILER_SPECIFIC_FLAGS(
COMPILER_ID KOKKOS_CXX_HOST_COMPILER_ID
Clang -march=armv8.2-a+sve -msve-vector-bits=512
GNU -march=armv8.2-a+sve -msve-vector-bits=512
MSVC NO-VALUE-SPECIFIED
NVHPC NO-VALUE-SPECIFIED
DEFAULT -march=armv8.2-a+sve
)
ENDIF()
IF (KOKKOS_ARCH_ZEN)
COMPILER_SPECIFIC_FLAGS(
COMPILER_ID KOKKOS_CXX_HOST_COMPILER_ID
Intel -mavx2
MSVC /arch:AVX2
NVHPC -tp=zen
DEFAULT -march=znver1 -mtune=znver1
)
SET(KOKKOS_ARCH_AMD_ZEN ON)
SET(KOKKOS_ARCH_AVX2 ON)
ENDIF()
IF (KOKKOS_ARCH_ZEN2)
COMPILER_SPECIFIC_FLAGS(
COMPILER_ID KOKKOS_CXX_HOST_COMPILER_ID
Intel -mavx2
MSVC /arch:AVX2
NVHPC -tp=zen2
DEFAULT -march=znver2 -mtune=znver2
)
SET(KOKKOS_ARCH_AMD_ZEN2 ON)
SET(KOKKOS_ARCH_AVX2 ON)
ENDIF()
IF (KOKKOS_ARCH_ZEN3)
COMPILER_SPECIFIC_FLAGS(
COMPILER_ID KOKKOS_CXX_HOST_COMPILER_ID
Intel -mavx2
MSVC /arch:AVX2
NVHPC -tp=zen2
DEFAULT -march=znver3 -mtune=znver3
)
SET(KOKKOS_ARCH_AMD_ZEN3 ON)
SET(KOKKOS_ARCH_AVX2 ON)
ENDIF()
IF (KOKKOS_ARCH_SNB OR KOKKOS_ARCH_AMDAVX)
SET(KOKKOS_ARCH_AVX ON)
COMPILER_SPECIFIC_FLAGS(
COMPILER_ID KOKKOS_CXX_HOST_COMPILER_ID
Cray NO-VALUE-SPECIFIED
Intel -mavx
MSVC /arch:AVX
NVHPC -tp=sandybridge
DEFAULT -mavx
)
ENDIF()
IF (KOKKOS_ARCH_HSW)
SET(KOKKOS_ARCH_AVX2 ON)
COMPILER_SPECIFIC_FLAGS(
COMPILER_ID KOKKOS_CXX_HOST_COMPILER_ID
Cray NO-VALUE-SPECIFIED
Intel -xCORE-AVX2
MSVC /arch:AVX2
NVHPC -tp=haswell
DEFAULT -march=core-avx2 -mtune=core-avx2
)
ENDIF()
IF (KOKKOS_ARCH_RISCV_SG2042)
IF(NOT
(KOKKOS_CXX_COMPILER_ID STREQUAL GNU
AND KOKKOS_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 12)
OR
(KOKKOS_CXX_COMPILER_ID STREQUAL Clang
AND KOKKOS_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 14)
)
MESSAGE(SEND_ERROR "Only gcc >= 12 and clang >= 14 support RISC-V.")
ENDIF()
COMPILER_SPECIFIC_FLAGS(
COMPILER_ID KOKKOS_CXX_HOST_COMPILER_ID
DEFAULT -march=rv64imafdcv
)
ENDIF()
IF (KOKKOS_ARCH_BDW)
SET(KOKKOS_ARCH_AVX2 ON)
COMPILER_SPECIFIC_FLAGS(
COMPILER_ID KOKKOS_CXX_HOST_COMPILER_ID
Cray NO-VALUE-SPECIFIED
Intel -xCORE-AVX2
MSVC /arch:AVX2
NVHPC -tp=haswell
DEFAULT -march=core-avx2 -mtune=core-avx2 -mrtm
)
ENDIF()
IF (KOKKOS_ARCH_KNL)
#avx512-mic
SET(KOKKOS_ARCH_AVX512MIC ON) #not a cache variable
COMPILER_SPECIFIC_FLAGS(
COMPILER_ID KOKKOS_CXX_HOST_COMPILER_ID
Cray NO-VALUE-SPECIFIED
Intel -xMIC-AVX512
MSVC /arch:AVX512
NVHPC -tp=knl
DEFAULT -march=knl -mtune=knl
)
ENDIF()
IF (KOKKOS_ARCH_KNC)
COMPILER_SPECIFIC_FLAGS(
COMPILER_ID KOKKOS_CXX_HOST_COMPILER_ID
MSVC NO-VALUE-SPECIFIED
DEFAULT -mmic
)
ENDIF()
IF (KOKKOS_ARCH_SKL)
COMPILER_SPECIFIC_FLAGS(
COMPILER_ID KOKKOS_CXX_HOST_COMPILER_ID
Cray NO-VALUE-SPECIFIED
Intel -xSKYLAKE
MSVC /arch:AVX2
NVHPC -tp=skylake
DEFAULT -march=skylake -mtune=skylake
)
ENDIF()
IF (KOKKOS_ARCH_SKX)
SET(KOKKOS_ARCH_AVX512XEON ON)
COMPILER_SPECIFIC_FLAGS(
COMPILER_ID KOKKOS_CXX_HOST_COMPILER_ID
Cray NO-VALUE-SPECIFIED
Intel -xCORE-AVX512
MSVC /arch:AVX512
NVHPC -tp=skylake
DEFAULT -march=skylake-avx512 -mtune=skylake-avx512
)
ENDIF()
IF (KOKKOS_ARCH_ICL)
SET(KOKKOS_ARCH_AVX512XEON ON)
COMPILER_SPECIFIC_FLAGS(
COMPILER_ID KOKKOS_CXX_HOST_COMPILER_ID
MSVC /arch:AVX512
DEFAULT -march=icelake-client -mtune=icelake-client
)
ENDIF()
IF (KOKKOS_ARCH_ICX)
SET(KOKKOS_ARCH_AVX512XEON ON)
COMPILER_SPECIFIC_FLAGS(
COMPILER_ID KOKKOS_CXX_HOST_COMPILER_ID
MSVC /arch:AVX512
DEFAULT -march=icelake-server -mtune=icelake-server
)
ENDIF()
IF (KOKKOS_ARCH_SPR)
SET(KOKKOS_ARCH_AVX512XEON ON)
COMPILER_SPECIFIC_FLAGS(
COMPILER_ID KOKKOS_CXX_HOST_COMPILER_ID
MSVC /arch:AVX512
DEFAULT -march=sapphirerapids -mtune=sapphirerapids
)
ENDIF()
IF (KOKKOS_ARCH_POWER7)
COMPILER_SPECIFIC_FLAGS(
COMPILER_ID KOKKOS_CXX_HOST_COMPILER_ID
MSVC NO-VALUE-SPECIFIED
NVHPC NO-VALUE-SPECIFIED
DEFAULT -mcpu=power7 -mtune=power7
)
ENDIF()
IF (KOKKOS_ARCH_POWER8)
COMPILER_SPECIFIC_FLAGS(
COMPILER_ID KOKKOS_CXX_HOST_COMPILER_ID
MSVC NO-VALUE-SPECIFIED
NVHPC -tp=pwr8
DEFAULT -mcpu=power8 -mtune=power8
)
ENDIF()
IF (KOKKOS_ARCH_POWER9)
COMPILER_SPECIFIC_FLAGS(
COMPILER_ID KOKKOS_CXX_HOST_COMPILER_ID
MSVC NO-VALUE-SPECIFIED
NVHPC -tp=pwr9
DEFAULT -mcpu=power9 -mtune=power9
)
ENDIF()
# If Kokkos_ARCH_NATIVE is enabled, we are trying to autodetect
# the SIMD capabilities based on compiler macros.
IF (KOKKOS_ARCH_NATIVE)
# Make sure to rerun the checks if compile options have changed
IF(NOT "${KOKKOS_COMPILE_OPTIONS}" STREQUAL "${KOKKOS_COMPILE_OPTIONS_SAVED}")
SET(KOKKOS_COMPILE_OPTIONS_SAVED "${KOKKOS_COMPILE_OPTIONS}" CACHE INTERNAL "")
SET(CMAKE_REQUIRED_QUIET ON)
SET(CMAKE_REQUIRED_FLAGS "${KOKKOS_COMPILE_OPTIONS}")
INCLUDE(CheckCXXSymbolExists)
UNSET(KOKKOS_COMPILER_HAS_AVX512 CACHE)
CHECK_CXX_SYMBOL_EXISTS(__AVX512F__ "" KOKKOS_COMPILER_HAS_AVX512)
UNSET(KOKKOS_COMPILER_HAS_AVX2 CACHE)
CHECK_CXX_SYMBOL_EXISTS(__AVX2__ "" KOKKOS_COMPILER_HAS_AVX2)
UNSET(KOKKOS_COMPILER_HAS_ARM_NEON CACHE)
CHECK_CXX_SYMBOL_EXISTS(__ARM_NEON "" KOKKOS_COMPILER_HAS_ARM_NEON)
UNSET(KOKKOS_COMPILER_HAS_AVX CACHE)
CHECK_CXX_SYMBOL_EXISTS(__AVX__ "" KOKKOS_COMPILER_HAS_AVX)
SET(CMAKE_REQUIRED_FLAGS "${KOKKOS_COMPILE_OPTIONS}")
UNSET(CMAKE_REQUIRED_QUIET)
UNSET(CMAKE_REQUIRED_FLAGS)
ENDIF()
# Only define one of these macros for now
# to be uniform with what we are doing for other architectures.
IF(KOKKOS_COMPILER_HAS_AVX512)
MESSAGE(STATUS "SIMD: AVX512 detected")
SET(KOKKOS_ARCH_AVX512XEON ON)
ELSEIF(KOKKOS_COMPILER_HAS_AVX2)
MESSAGE(STATUS "SIMD: AVX2 detected")
SET(KOKKOS_ARCH_AVX2 ON)
ELSEIF(KOKKOS_COMPILER_HAS_ARM_NEON)
MESSAGE(STATUS "SIMD: ARM_NEON detected")
SET(KOKKOS_ARCH_ARM_NEON ON)
ELSEIF(KOKKOS_COMPILER_HAS_AVX)
MESSAGE(STATUS "SIMD: AVX detected")
SET(KOKKOS_ARCH_AVX ON)
ENDIF()
ENDIF()
# FIXME_NVHPC nvc++ doesn't seem to support AVX512.
IF (KOKKOS_CXX_HOST_COMPILER_ID STREQUAL NVHPC)
SET(KOKKOS_ARCH_AVX512XEON OFF)
ENDIF()
IF (NOT KOKKOS_COMPILE_LANGUAGE STREQUAL CUDA)
IF (KOKKOS_ENABLE_CUDA_RELOCATABLE_DEVICE_CODE)
COMPILER_SPECIFIC_FLAGS(
Clang -fcuda-rdc
NVIDIA --relocatable-device-code=true
NVHPC -gpu=rdc
)
ELSEIF(KOKKOS_ENABLE_CUDA)
COMPILER_SPECIFIC_FLAGS(
NVHPC -gpu=nordc
)
ENDIF()
ENDIF()
# Clang needs mcx16 option enabled for Windows atomic functions
IF (CMAKE_CXX_COMPILER_ID STREQUAL Clang AND WIN32)
COMPILER_SPECIFIC_OPTIONS(
Clang -mcx16
)
ENDIF()
# MSVC ABI has many deprecation warnings, so ignore them
IF (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC" OR "x${CMAKE_CXX_SIMULATE_ID}" STREQUAL "xMSVC")
COMPILER_SPECIFIC_DEFS(
Clang _CRT_SECURE_NO_WARNINGS
)
ENDIF()
#Right now we cannot get the compiler ID when cross-compiling, so just check
#that HIP is enabled
IF (KOKKOS_ENABLE_HIP)
IF (KOKKOS_ENABLE_HIP_RELOCATABLE_DEVICE_CODE)
COMPILER_SPECIFIC_FLAGS(
DEFAULT -fgpu-rdc
)
IF (NOT KOKKOS_CXX_COMPILER_ID STREQUAL HIPCC)
COMPILER_SPECIFIC_LINK_OPTIONS(
DEFAULT --hip-link
)
ENDIF()
ELSE()
COMPILER_SPECIFIC_FLAGS(
DEFAULT -fno-gpu-rdc
)
ENDIF()
ENDIF()
IF (KOKKOS_ENABLE_SYCL)
COMPILER_SPECIFIC_FLAGS(
DEFAULT -fsycl -fno-sycl-id-queries-fit-in-int -fsycl-dead-args-optimization
)
COMPILER_SPECIFIC_OPTIONS(
DEFAULT -fsycl-unnamed-lambda
)
ENDIF()
# Check support for device_global variables
# FIXME_SYCL If SYCL_EXT_ONEAPI_DEVICE_GLOBAL is defined, we can use device
# global variables with shared libraries using the "non-separable compilation"
# implementation. Otherwise, the feature is not supported when building shared
# libraries. Thus, we don't even check for support if shared libraries are
# requested and SYCL_EXT_ONEAPI_DEVICE_GLOBAL is not defined.
IF(KOKKOS_ENABLE_SYCL)
STRING(REPLACE ";" " " CMAKE_REQUIRED_FLAGS "${KOKKOS_COMPILE_OPTIONS}")
INCLUDE(CheckCXXSymbolExists)
CHECK_CXX_SYMBOL_EXISTS(SYCL_EXT_ONEAPI_DEVICE_GLOBAL "sycl/sycl.hpp" KOKKOS_IMPL_HAVE_SYCL_EXT_ONEAPI_DEVICE_GLOBAL)
IF (KOKKOS_IMPL_HAVE_SYCL_EXT_ONEAPI_DEVICE_GLOBAL)
SET(KOKKOS_IMPL_SYCL_DEVICE_GLOBAL_SUPPORTED ON)
# Use the non-separable compilation implementation to support shared libraries as well.
COMPILER_SPECIFIC_FLAGS(DEFAULT -DDESUL_SYCL_DEVICE_GLOBAL_SUPPORTED)
ELSEIF(NOT BUILD_SHARED_LIBS)
INCLUDE(CheckCXXSourceCompiles)
CHECK_CXX_SOURCE_COMPILES("
#include <sycl/sycl.hpp>
using namespace sycl::ext::oneapi::experimental;
using namespace sycl;
SYCL_EXTERNAL device_global<int, decltype(properties(device_image_scope))> Foo;
void bar(queue q) {
q.single_task([=] {
Foo = 42;
});
}
int main(){ return 0; }
"
KOKKOS_IMPL_SYCL_DEVICE_GLOBAL_SUPPORTED)
IF(KOKKOS_IMPL_SYCL_DEVICE_GLOBAL_SUPPORTED)
# Only the separable compilation implementation is supported.
COMPILER_SPECIFIC_FLAGS(
DEFAULT -fsycl-device-code-split=off -DDESUL_SYCL_DEVICE_GLOBAL_SUPPORTED
)
ENDIF()
ENDIF()
ENDIF()
SET(CUDA_ARCH_ALREADY_SPECIFIED "")
FUNCTION(CHECK_CUDA_ARCH ARCH FLAG)
IF(KOKKOS_ARCH_${ARCH})
IF(CUDA_ARCH_ALREADY_SPECIFIED)
MESSAGE(FATAL_ERROR "Multiple GPU architectures given! Already have ${CUDA_ARCH_ALREADY_SPECIFIED}, but trying to add ${ARCH}. If you are re-running CMake, try clearing the cache and running again.")
ENDIF()
SET(CUDA_ARCH_ALREADY_SPECIFIED ${ARCH} PARENT_SCOPE)
IF (NOT KOKKOS_ENABLE_CUDA AND NOT KOKKOS_ENABLE_OPENMPTARGET AND NOT KOKKOS_ENABLE_SYCL AND NOT KOKKOS_ENABLE_OPENACC)
MESSAGE(WARNING "Given CUDA arch ${ARCH}, but Kokkos_ENABLE_CUDA, Kokkos_ENABLE_SYCL, Kokkos_ENABLE_OPENACC, and Kokkos_ENABLE_OPENMPTARGET are OFF. Option will be ignored.")
UNSET(KOKKOS_ARCH_${ARCH} PARENT_SCOPE)
ELSE()
IF(KOKKOS_ENABLE_CUDA)
STRING(REPLACE "sm_" "" CMAKE_ARCH ${FLAG})
SET(KOKKOS_CUDA_ARCHITECTURES ${CMAKE_ARCH})
SET(KOKKOS_CUDA_ARCHITECTURES ${CMAKE_ARCH} PARENT_SCOPE)
ENDIF()
SET(KOKKOS_CUDA_ARCH_FLAG ${FLAG} PARENT_SCOPE)
IF(KOKKOS_ENABLE_COMPILE_AS_CMAKE_LANGUAGE)
SET(CMAKE_CUDA_ARCHITECTURES ${KOKKOS_CUDA_ARCHITECTURES} PARENT_SCOPE)
ELSE()
IF(KOKKOS_CXX_COMPILER_ID STREQUAL NVHPC)
STRING(REPLACE "sm_" "cc" NVHPC_CUDA_ARCH ${FLAG})
GLOBAL_APPEND(KOKKOS_CUDA_OPTIONS "${CUDA_ARCH_FLAG}=${NVHPC_CUDA_ARCH}")
GLOBAL_APPEND(KOKKOS_LINK_OPTIONS "${CUDA_ARCH_FLAG}=${NVHPC_CUDA_ARCH}")
ELSE()
GLOBAL_APPEND(KOKKOS_CUDA_OPTIONS "${CUDA_ARCH_FLAG}=${FLAG}")
IF(KOKKOS_ENABLE_CUDA_RELOCATABLE_DEVICE_CODE OR KOKKOS_CXX_COMPILER_ID STREQUAL NVIDIA)
GLOBAL_APPEND(KOKKOS_LINK_OPTIONS "${CUDA_ARCH_FLAG}=${FLAG}")
ENDIF()
ENDIF()
ENDIF()
ENDIF()
ENDIF()
LIST(APPEND KOKKOS_CUDA_ARCH_FLAGS ${FLAG})
SET(KOKKOS_CUDA_ARCH_FLAGS ${KOKKOS_CUDA_ARCH_FLAGS} PARENT_SCOPE)
LIST(APPEND KOKKOS_CUDA_ARCH_LIST ${ARCH})
SET(KOKKOS_CUDA_ARCH_LIST ${KOKKOS_CUDA_ARCH_LIST} PARENT_SCOPE)
ENDFUNCTION()
#These will define KOKKOS_CUDA_ARCH_FLAG
#to the corresponding flag name if ON
CHECK_CUDA_ARCH(KEPLER30 sm_30)
CHECK_CUDA_ARCH(KEPLER32 sm_32)
CHECK_CUDA_ARCH(KEPLER35 sm_35)
CHECK_CUDA_ARCH(KEPLER37 sm_37)
CHECK_CUDA_ARCH(MAXWELL50 sm_50)
CHECK_CUDA_ARCH(MAXWELL52 sm_52)
CHECK_CUDA_ARCH(MAXWELL53 sm_53)
CHECK_CUDA_ARCH(PASCAL60 sm_60)
CHECK_CUDA_ARCH(PASCAL61 sm_61)
CHECK_CUDA_ARCH(VOLTA70 sm_70)
CHECK_CUDA_ARCH(VOLTA72 sm_72)
CHECK_CUDA_ARCH(TURING75 sm_75)
CHECK_CUDA_ARCH(AMPERE80 sm_80)
CHECK_CUDA_ARCH(AMPERE86 sm_86)
CHECK_CUDA_ARCH(ADA89 sm_89)
CHECK_CUDA_ARCH(HOPPER90 sm_90)
SET(AMDGPU_ARCH_ALREADY_SPECIFIED "")
FUNCTION(CHECK_AMDGPU_ARCH ARCH FLAG)
IF(KOKKOS_ARCH_${ARCH})
IF(AMDGPU_ARCH_ALREADY_SPECIFIED)
MESSAGE(FATAL_ERROR "Multiple GPU architectures given! Already have ${AMDGPU_ARCH_ALREADY_SPECIFIED}, but trying to add ${ARCH}. If you are re-running CMake, try clearing the cache and running again.")
ENDIF()
SET(AMDGPU_ARCH_ALREADY_SPECIFIED ${ARCH} PARENT_SCOPE)
IF (NOT KOKKOS_ENABLE_HIP AND NOT KOKKOS_ENABLE_OPENMPTARGET AND NOT KOKKOS_ENABLE_OPENACC AND NOT KOKKOS_ENABLE_SYCL)
MESSAGE(WARNING "Given AMD GPU architecture ${ARCH}, but Kokkos_ENABLE_HIP, Kokkos_ENABLE_SYCL, Kokkos_ENABLE_OPENACC, and Kokkos_ENABLE_OPENMPTARGET are OFF. Option will be ignored.")
UNSET(KOKKOS_ARCH_${ARCH} PARENT_SCOPE)
ELSE()
IF(KOKKOS_ENABLE_HIP)
SET(KOKKOS_HIP_ARCHITECTURES ${FLAG} PARENT_SCOPE)
ENDIF()
SET(KOKKOS_AMDGPU_ARCH_FLAG ${FLAG} PARENT_SCOPE)
GLOBAL_APPEND(KOKKOS_AMDGPU_OPTIONS "${AMDGPU_ARCH_FLAG}=${FLAG}")
IF(KOKKOS_ENABLE_HIP_RELOCATABLE_DEVICE_CODE)
GLOBAL_APPEND(KOKKOS_LINK_OPTIONS "${AMDGPU_ARCH_FLAG}=${FLAG}")
ENDIF()
ENDIF()
ENDIF()
ENDFUNCTION()
#These will define KOKKOS_AMDGPU_ARCH_FLAG
#to the corresponding flag name if ON
FOREACH(ARCH IN LISTS SUPPORTED_AMD_ARCHS)
LIST(FIND SUPPORTED_AMD_ARCHS ${ARCH} LIST_INDEX)
LIST(GET CORRESPONDING_AMD_FLAGS ${LIST_INDEX} FLAG)
CHECK_AMDGPU_ARCH(${ARCH} ${FLAG})
ENDFOREACH()
MACRO(SET_AND_CHECK_AMD_ARCH ARCH FLAG)
KOKKOS_SET_OPTION(ARCH_${ARCH} ON)
CHECK_AMDGPU_ARCH(${ARCH} ${FLAG})
LIST(APPEND KOKKOS_ENABLED_ARCH_LIST ${ARCH})
ENDMACRO()
MACRO(CHECK_MULTIPLE_INTEL_ARCH)
IF(KOKKOS_ARCH_INTEL_GPU)
MESSAGE(FATAL_ERROR "Specifying multiple Intel GPU architectures is not allowed!")
ENDIF()
SET(KOKKOS_ARCH_INTEL_GPU ON)
ENDMACRO()
IF(KOKKOS_ARCH_INTEL_GEN)
CHECK_MULTIPLE_INTEL_ARCH()
ENDIF()
IF(KOKKOS_ARCH_INTEL_DG1)
CHECK_MULTIPLE_INTEL_ARCH()
ENDIF()
IF(KOKKOS_ARCH_INTEL_GEN9)
CHECK_MULTIPLE_INTEL_ARCH()
ENDIF()
IF(KOKKOS_ARCH_INTEL_GEN11)
CHECK_MULTIPLE_INTEL_ARCH()
ENDIF()
IF(KOKKOS_ARCH_INTEL_GEN12LP)
CHECK_MULTIPLE_INTEL_ARCH()
ENDIF()
IF(KOKKOS_ARCH_INTEL_XEHP)
CHECK_MULTIPLE_INTEL_ARCH()
ENDIF()
IF(KOKKOS_ARCH_INTEL_PVC)
CHECK_MULTIPLE_INTEL_ARCH()
ENDIF()
IF (KOKKOS_ENABLE_OPENMPTARGET)
SET(CLANG_CUDA_ARCH ${KOKKOS_CUDA_ARCH_FLAG})
IF (CLANG_CUDA_ARCH)
IF(KOKKOS_CLANG_IS_CRAY)
COMPILER_SPECIFIC_FLAGS(
Cray -fopenmp
)
ELSE()
STRING(REPLACE "sm_" "cc" NVHPC_CUDA_ARCH ${CLANG_CUDA_ARCH})
COMPILER_SPECIFIC_FLAGS(
Clang -Xopenmp-target -march=${CLANG_CUDA_ARCH} -fopenmp-targets=nvptx64
NVHPC -gpu=${NVHPC_CUDA_ARCH}
)
ENDIF()
ENDIF()
SET(CLANG_AMDGPU_ARCH ${KOKKOS_AMDGPU_ARCH_FLAG})
IF (CLANG_AMDGPU_ARCH)
COMPILER_SPECIFIC_FLAGS(
Clang -Xopenmp-target=amdgcn-amd-amdhsa -march=${CLANG_AMDGPU_ARCH} -fopenmp-targets=amdgcn-amd-amdhsa
)
ENDIF()
IF (KOKKOS_ARCH_INTEL_GEN)
COMPILER_SPECIFIC_FLAGS(
IntelLLVM -fopenmp-targets=spir64 -D__STRICT_ANSI__
)
ELSE()
COMPILER_SPECIFIC_OPTIONS(
IntelLLVM -fopenmp-targets=spir64_gen -D__STRICT_ANSI__
)
IF(KOKKOS_ARCH_INTEL_GEN9)
COMPILER_SPECIFIC_LINK_OPTIONS(
IntelLLVM -fopenmp-targets=spir64_gen -Xopenmp-target-backend "-device gen9"
)
ELSEIF(KOKKOS_ARCH_INTEL_GEN11)
COMPILER_SPECIFIC_LINK_OPTIONS(
IntelLLVM -fopenmp-targets=spir64_gen -Xopenmp-target-backend "-device gen11"
)
ELSEIF(KOKKOS_ARCH_INTEL_GEN12LP)
COMPILER_SPECIFIC_LINK_OPTIONS(
IntelLLVM -fopenmp-targets=spir64_gen -Xopenmp-target-backend "-device gen12lp"
)
ELSEIF(KOKKOS_ARCH_INTEL_DG1)
COMPILER_SPECIFIC_LINK_OPTIONS(
IntelLLVM -fopenmp-targets=spir64_gen -Xopenmp-target-backend "-device dg1"
)
ELSEIF(KOKKOS_ARCH_INTEL_XEHP)
COMPILER_SPECIFIC_LINK_OPTIONS(
IntelLLVM -fopenmp-targets=spir64_gen -Xopenmp-target-backend "-device 12.50.4"
)
ELSEIF(KOKKOS_ARCH_INTEL_PVC)
COMPILER_SPECIFIC_LINK_OPTIONS(
IntelLLVM -fopenmp-targets=spir64_gen -Xopenmp-target-backend "-device 12.60.7"
)
ENDIF()
ENDIF()
ENDIF()
IF (KOKKOS_ENABLE_OPENACC)
IF(KOKKOS_CUDA_ARCH_FLAG)
SET(CLANG_CUDA_ARCH ${KOKKOS_CUDA_ARCH_FLAG})
STRING(REPLACE "sm_" "cc" NVHPC_CUDA_ARCH ${KOKKOS_CUDA_ARCH_FLAG})
COMPILER_SPECIFIC_FLAGS(
NVHPC -acc -gpu=${NVHPC_CUDA_ARCH}
Clang -Xopenmp-target=nvptx64-nvidia-cuda -march=${CLANG_CUDA_ARCH}
-fopenmp-targets=nvptx64-nvidia-cuda
)
ELSEIF(KOKKOS_AMDGPU_ARCH_FLAG)
COMPILER_SPECIFIC_FLAGS(
Clang -Xopenmp-target=amdgcn-amd-amdhsa -march=${KOKKOS_AMDGPU_ARCH_FLAG}
-fopenmp-targets=amdgcn-amd-amdhsa
)
ELSE()
COMPILER_SPECIFIC_FLAGS(
NVHPC -acc
)
ENDIF()
ENDIF()
IF (KOKKOS_ENABLE_SYCL)
IF(CUDA_ARCH_ALREADY_SPECIFIED)
IF(KOKKOS_ENABLE_UNSUPPORTED_ARCHS)
COMPILER_SPECIFIC_FLAGS(
DEFAULT -fsycl-targets=nvptx64-nvidia-cuda -Xsycl-target-backend=nvptx64-nvidia-cuda --cuda-gpu-arch=${KOKKOS_CUDA_ARCH_FLAG}
)
ELSE()
MESSAGE(SEND_ERROR "Setting a CUDA architecture for SYCL is only allowed with Kokkos_ENABLE_UNSUPPORTED_ARCHS=ON!")
ENDIF()
ELSEIF(AMDGPU_ARCH_ALREADY_SPECIFIED)
IF(KOKKOS_ENABLE_UNSUPPORTED_ARCHS)
COMPILER_SPECIFIC_FLAGS(
DEFAULT -fsycl-targets=amdgcn-amd-amdhsa -Xsycl-target-backend --offload-arch=${KOKKOS_AMDGPU_ARCH_FLAG}
)
ELSE()
MESSAGE(SEND_ERROR "Setting a AMDGPU architecture for SYCL is only allowed with Kokkos_ENABLE_UNSUPPORTED_ARCHS=ON!")
ENDIF()
ELSEIF(KOKKOS_ARCH_INTEL_GEN)
COMPILER_SPECIFIC_FLAGS(
DEFAULT -fsycl-targets=spir64
)
ELSE()
COMPILER_SPECIFIC_OPTIONS(
DEFAULT -fsycl-targets=spir64_gen
)
IF(KOKKOS_ARCH_INTEL_GEN9)
COMPILER_SPECIFIC_LINK_OPTIONS(
DEFAULT -fsycl-targets=spir64_gen -Xsycl-target-backend "-device gen9"
)
ELSEIF(KOKKOS_ARCH_INTEL_GEN11)
COMPILER_SPECIFIC_LINK_OPTIONS(
DEFAULT -fsycl-targets=spir64_gen -Xsycl-target-backend "-device gen11"
)
ELSEIF(KOKKOS_ARCH_INTEL_GEN12LP)
COMPILER_SPECIFIC_LINK_OPTIONS(
DEFAULT -fsycl-targets=spir64_gen -Xsycl-target-backend "-device gen12lp"
)
ELSEIF(KOKKOS_ARCH_INTEL_DG1)
COMPILER_SPECIFIC_LINK_OPTIONS(
DEFAULT -fsycl-targets=spir64_gen -Xsycl-target-backend "-device dg1"
)
ELSEIF(KOKKOS_ARCH_INTEL_XEHP)
COMPILER_SPECIFIC_LINK_OPTIONS(
DEFAULT -fsycl-targets=spir64_gen -Xsycl-target-backend "-device 12.50.4"
)
ELSEIF(KOKKOS_ARCH_INTEL_PVC)
COMPILER_SPECIFIC_LINK_OPTIONS(
DEFAULT -fsycl-targets=spir64_gen -Xsycl-target-backend "-device 12.60.7"
)
ENDIF()
ENDIF()
ENDIF()
IF(KOKKOS_ENABLE_CUDA AND NOT CUDA_ARCH_ALREADY_SPECIFIED)
# Try to autodetect the CUDA Compute Capability by asking the device
SET(_BINARY_TEST_DIR ${CMAKE_CURRENT_BINARY_DIR}/cmake/compile_tests/CUDAComputeCapabilityWorkdir)
FILE(REMOVE_RECURSE ${_BINARY_TEST_DIR})
FILE(MAKE_DIRECTORY ${_BINARY_TEST_DIR})
TRY_RUN(
_RESULT
_COMPILE_RESULT
${_BINARY_TEST_DIR}
${CMAKE_CURRENT_SOURCE_DIR}/cmake/compile_tests/cuda_compute_capability.cc
COMPILE_DEFINITIONS -DSM_ONLY
RUN_OUTPUT_VARIABLE _CUDA_COMPUTE_CAPABILITY)
# if user is using kokkos_compiler_launcher, above will fail.
IF(NOT _COMPILE_RESULT OR NOT _RESULT EQUAL 0)
# check to see if CUDA is not already enabled (may happen when Kokkos is subproject)
GET_PROPERTY(_ENABLED_LANGUAGES GLOBAL PROPERTY ENABLED_LANGUAGES)
# language has to be fully enabled, just checking for CMAKE_CUDA_COMPILER isn't enough
IF(NOT "CUDA" IN_LIST _ENABLED_LANGUAGES)
# make sure the user knows that we aren't using CUDA compiler for anything else
MESSAGE(STATUS "CUDA auto-detection of architecture failed with ${CMAKE_CXX_COMPILER}. Enabling CUDA language ONLY to auto-detect architecture...")
INCLUDE(CheckLanguage)
CHECK_LANGUAGE(CUDA)
IF(CMAKE_CUDA_COMPILER)
ENABLE_LANGUAGE(CUDA)
ELSE()
MESSAGE(STATUS "CUDA language could not be enabled")
ENDIF()
ENDIF()
# if CUDA was enabled, this will be defined
IF(CMAKE_CUDA_COMPILER)
# copy our test to .cu so cmake compiles as CUDA
CONFIGURE_FILE(
${CMAKE_CURRENT_SOURCE_DIR}/cmake/compile_tests/cuda_compute_capability.cc
${CMAKE_CURRENT_BINARY_DIR}/compile_tests/cuda_compute_capability.cu
COPYONLY
)
# run test again
TRY_RUN(
_RESULT
_COMPILE_RESULT
${_BINARY_TEST_DIR}
${CMAKE_CURRENT_BINARY_DIR}/compile_tests/cuda_compute_capability.cu
COMPILE_DEFINITIONS -DSM_ONLY
RUN_OUTPUT_VARIABLE _CUDA_COMPUTE_CAPABILITY)
ENDIF()
ENDIF()
LIST(FIND KOKKOS_CUDA_ARCH_FLAGS sm_${_CUDA_COMPUTE_CAPABILITY} FLAG_INDEX)
IF(_COMPILE_RESULT AND _RESULT EQUAL 0 AND NOT FLAG_INDEX EQUAL -1)
MESSAGE(STATUS "Detected CUDA Compute Capability ${_CUDA_COMPUTE_CAPABILITY}")
LIST(GET KOKKOS_CUDA_ARCH_LIST ${FLAG_INDEX} ARCHITECTURE)
KOKKOS_SET_OPTION(ARCH_${ARCHITECTURE} ON)
CHECK_CUDA_ARCH(${ARCHITECTURE} sm_${_CUDA_COMPUTE_CAPABILITY})
LIST(APPEND KOKKOS_ENABLED_ARCH_LIST ${ARCHITECTURE})
ELSE()
MESSAGE(SEND_ERROR "CUDA enabled but no NVIDIA GPU architecture currently enabled and auto-detection failed. "
"Please give one -DKokkos_ARCH_{..}=ON' to enable an NVIDIA GPU architecture.\n"
"You can yourself try to compile ${CMAKE_CURRENT_SOURCE_DIR}/cmake/compile_tests/cuda_compute_capability.cc and run the executable. "
"If you are cross-compiling, you should try to do this on a compute node.")
ENDIF()
ENDIF()
#Regardless of version, make sure we define the general architecture name
IF (KOKKOS_ARCH_KEPLER30 OR KOKKOS_ARCH_KEPLER32 OR KOKKOS_ARCH_KEPLER35 OR KOKKOS_ARCH_KEPLER37)
SET(KOKKOS_ARCH_KEPLER ON)
ENDIF()
#Regardless of version, make sure we define the general architecture name
IF (KOKKOS_ARCH_MAXWELL50 OR KOKKOS_ARCH_MAXWELL52 OR KOKKOS_ARCH_MAXWELL53)
SET(KOKKOS_ARCH_MAXWELL ON)
ENDIF()
#Regardless of version, make sure we define the general architecture name
IF (KOKKOS_ARCH_PASCAL60 OR KOKKOS_ARCH_PASCAL61)
SET(KOKKOS_ARCH_PASCAL ON)
ENDIF()
#Regardless of version, make sure we define the general architecture name
IF (KOKKOS_ARCH_VOLTA70 OR KOKKOS_ARCH_VOLTA72)
SET(KOKKOS_ARCH_VOLTA ON)
ENDIF()
IF (KOKKOS_ARCH_AMPERE80 OR KOKKOS_ARCH_AMPERE86)
SET(KOKKOS_ARCH_AMPERE ON)
ENDIF()
IF (KOKKOS_ARCH_HOPPER90)
SET(KOKKOS_ARCH_HOPPER ON)
ENDIF()
#HIP detection of gpu arch
IF(KOKKOS_ENABLE_HIP AND NOT AMDGPU_ARCH_ALREADY_SPECIFIED)
FIND_PROGRAM(ROCM_ENUMERATOR rocm_agent_enumerator)
IF(NOT ROCM_ENUMERATOR)
MESSAGE(FATAL_ERROR "Autodetection of AMD GPU architecture not possible as "
"rocm_agent_enumerator could not be found. "
"Please specify an arch manually via -DKokkos_ARCH_{..}=ON")
ELSE()
EXECUTE_PROCESS(COMMAND ${ROCM_ENUMERATOR} OUTPUT_VARIABLE GPU_ARCHS)
STRING(LENGTH "${GPU_ARCHS}" len_str)
# enumerator always output gfx000 as the first line
IF(${len_str} LESS 8)
MESSAGE(SEND_ERROR "HIP enabled but no AMD GPU architecture could be automatically detected. "
"Please manually specify one AMD GPU architecture via -DKokkos_ARCH_{..}=ON'.")
# check for known gpu archs, otherwise error out