79 lines
3.0 KiB
CMake
79 lines
3.0 KiB
CMake
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register_flag_optional(CMAKE_CXX_COMPILER
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"Any CXX compiler that supports OpenACC as per CMake detection"
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"c++")
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register_flag_optional(TARGET_DEVICE
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"[PGI/NVHPC only] This sets the `-target` flag, possible values are:
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gpu - Globally set the target device to an NVIDIA GPU
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multicore - Globally set the target device to the host CPU
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Refer to `nvc++ --help` for the full list"
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"")
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register_flag_optional(CUDA_ARCH
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"[PGI/NVHPC only] Only applicable if `TARGET_DEVICE` is set to `gpu`.
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Nvidia architecture in ccXY format, for example, sm_70 becomes cc70, will be passed in via `-gpu=` (e.g `cc70`)
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Possible values are:
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cc35 - Compile for compute capability 3.5
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cc50 - Compile for compute capability 5.0
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cc60 - Compile for compute capability 6.0
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cc62 - Compile for compute capability 6.2
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cc70 - Compile for compute capability 7.0
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cc72 - Compile for compute capability 7.2
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cc75 - Compile for compute capability 7.5
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cc80 - Compile for compute capability 8.0
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ccall - Compile for all supported compute capabilities
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Refer to `nvc++ --help` for the full list"
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"")
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register_flag_optional(TARGET_PROCESSOR
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"[PGI/NVHPC only] This sets the `-tp` (target processor) flag, possible values are:
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px - Generic x86 Processor
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bulldozer - AMD Bulldozer processor
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piledriver - AMD Piledriver processor
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zen - AMD Zen architecture (Epyc, Ryzen)
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zen2 - AMD Zen 2 architecture (Ryzen 2)
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sandybridge - Intel SandyBridge processor
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haswell - Intel Haswell processor
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knl - Intel Knights Landing processor
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skylake - Intel Skylake Xeon processor
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host - Link native version of HPC SDK cpu math library
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native - Alias for -tp host
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Refer to `nvc++ --help` for the full list"
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"")
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macro(setup)
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find_package(OpenACC REQUIRED)
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if(${CMAKE_VERSION} VERSION_LESS "3.16.0")
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# CMake didn't really implement ACC as a target before 3.16, so we append them manually
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separate_arguments(OpenACC_CXX_FLAGS)
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register_append_cxx_flags(ANY ${OpenACC_CXX_FLAGS})
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register_append_link_flags(${OpenACC_CXX_FLAGS})
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else()
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register_link_library(OpenACC::OpenACC_CXX)
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endif()
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register_definitions(restrict=__restrict)
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# XXX NVHPC is really new so older Cmake thinks it's PGI, which is true
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if ((CMAKE_CXX_COMPILER_ID STREQUAL PGI) OR (CMAKE_CXX_COMPILER_ID STREQUAL NVHPC))
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if (TARGET_DEVICE)
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register_append_cxx_flags(ANY -target=${TARGET_DEVICE})
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endif ()
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if (CUDA_ARCH)
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register_append_cxx_flags(ANY -gpu=${CUDA_ARCH})
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endif ()
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if (TARGET_PROCESSOR)
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register_append_cxx_flags(ANY -tp=${TARGET_PROCESSOR})
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endif ()
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endif ()
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endmacro()
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