129 lines
4.3 KiB
CMake
129 lines
4.3 KiB
CMake
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FUNCTION(KOKKOS_DEVICE_OPTION SUFFIX DEFAULT DEV_TYPE DOCSTRING)
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KOKKOS_OPTION(ENABLE_${SUFFIX} ${DEFAULT} BOOL ${DOCSTRING})
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STRING(TOUPPER ${SUFFIX} UC_NAME)
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IF (KOKKOS_ENABLE_${UC_NAME})
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LIST(APPEND KOKKOS_ENABLED_DEVICES ${SUFFIX})
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#I hate that CMake makes me do this
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SET(KOKKOS_ENABLED_DEVICES ${KOKKOS_ENABLED_DEVICES} PARENT_SCOPE)
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ENDIF()
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SET(KOKKOS_ENABLE_${UC_NAME} ${KOKKOS_ENABLE_${UC_NAME}} PARENT_SCOPE)
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IF (KOKKOS_ENABLE_${UC_NAME} AND DEV_TYPE STREQUAL "HOST")
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SET(KOKKOS_HAS_HOST ON PARENT_SCOPE)
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ENDIF()
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ENDFUNCTION()
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KOKKOS_CFG_DEPENDS(DEVICES NONE)
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# Put a check in just in case people are using this option
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KOKKOS_DEPRECATED_LIST(DEVICES ENABLE)
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KOKKOS_DEVICE_OPTION(THREADS OFF HOST "Whether to build C++ threads backend")
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# detect clang++ / cl / clang-cl clashes
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IF (CMAKE_CXX_COMPILER_ID STREQUAL Clang AND "x${CMAKE_CXX_SIMULATE_ID}" STREQUAL "xMSVC")
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# this specific test requires CMake >= 3.15
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IF ("x${CMAKE_CXX_COMPILER_FRONTEND_VARIANT}" STREQUAL "xGNU")
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# use pure clang++ instead of clang-cl
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SET(KOKKOS_COMPILER_CLANG_MSVC OFF)
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ELSE()
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# it defaults to clang-cl
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SET(KOKKOS_COMPILER_CLANG_MSVC ON)
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ENDIF()
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ENDIF()
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IF(Trilinos_ENABLE_Kokkos AND Trilinos_ENABLE_OpenMP)
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SET(OMP_DEFAULT ON)
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ELSE()
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SET(OMP_DEFAULT OFF)
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ENDIF()
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KOKKOS_DEVICE_OPTION(OPENMP ${OMP_DEFAULT} HOST "Whether to build OpenMP backend")
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# We want this to default to OFF for cache reasons, but if no
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# host space is given, then activate serial
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IF (KOKKOS_HAS_TRILINOS)
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#However, Trilinos always wants Serial ON
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SET(SERIAL_DEFAULT ON)
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ELSEIF (KOKKOS_HAS_HOST)
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SET(SERIAL_DEFAULT OFF)
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ELSE()
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SET(SERIAL_DEFAULT ON)
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IF (NOT DEFINED Kokkos_ENABLE_SERIAL)
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MESSAGE(STATUS "SERIAL backend is being turned on to ensure there is at least one Host space. To change this, you must enable another host execution space and configure with -DKokkos_ENABLE_SERIAL=OFF or change CMakeCache.txt")
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ENDIF()
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ENDIF()
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KOKKOS_DEVICE_OPTION(SERIAL ${SERIAL_DEFAULT} HOST "Whether to build serial backend")
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KOKKOS_DEVICE_OPTION(HPX OFF HOST "Whether to build HPX backend (experimental)")
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# Device backends have to come after host backends for header include order reasons
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# Without this we can't make e.g. CudaSpace accessible by HostSpace
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KOKKOS_DEVICE_OPTION(OPENACC OFF DEVICE "Whether to build the OpenACC backend")
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IF (KOKKOS_ENABLE_OPENACC)
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COMPILER_SPECIFIC_FLAGS(
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Clang -fopenacc -fopenacc-fake-async-wait
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-Wno-openacc-and-cxx -Wno-openmp-mapping -Wno-unknown-cuda-version
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-Wno-pass-failed
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)
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COMPILER_SPECIFIC_DEFS(
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Clang KOKKOS_WORKAROUND_OPENMPTARGET_CLANG
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)
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ENDIF()
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KOKKOS_DEVICE_OPTION(OPENMPTARGET OFF DEVICE "Whether to build the OpenMP target backend")
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IF (KOKKOS_ENABLE_OPENMPTARGET)
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SET(ClangOpenMPFlag -fopenmp=libomp)
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IF(KOKKOS_CLANG_IS_CRAY)
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SET(ClangOpenMPFlag -fopenmp)
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ENDIF()
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COMPILER_SPECIFIC_FLAGS(
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Clang ${ClangOpenMPFlag} -Wno-openmp-mapping
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IntelLLVM -fiopenmp -Wno-openmp-mapping
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NVHPC -mp=gpu
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DEFAULT -fopenmp
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)
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COMPILER_SPECIFIC_DEFS(
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Clang KOKKOS_WORKAROUND_OPENMPTARGET_CLANG
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)
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# Are there compilers which identify as Clang and need this library?
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# COMPILER_SPECIFIC_LIBS(
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# Clang -lopenmptarget
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# )
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IF(KOKKOS_CXX_STANDARD LESS 17)
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MESSAGE(FATAL_ERROR "OpenMPTarget backend requires C++17 or newer")
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ENDIF()
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ENDIF()
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IF(Trilinos_ENABLE_Kokkos AND TPL_ENABLE_CUDA)
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SET(CUDA_DEFAULT ON)
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ELSE()
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SET(CUDA_DEFAULT OFF)
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ENDIF()
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KOKKOS_DEVICE_OPTION(CUDA ${CUDA_DEFAULT} DEVICE "Whether to build CUDA backend")
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IF (KOKKOS_ENABLE_CUDA)
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GLOBAL_SET(KOKKOS_DONT_ALLOW_EXTENSIONS "CUDA enabled")
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## Cuda has extra setup requirements, turn on Kokkos_Setup_Cuda.hpp in macros
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LIST(APPEND DEVICE_SETUP_LIST Cuda)
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ENDIF()
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KOKKOS_DEVICE_OPTION(HIP OFF DEVICE "Whether to build HIP backend")
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## HIP has extra setup requirements, turn on Kokkos_Setup_HIP.hpp in macros
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IF (KOKKOS_ENABLE_HIP)
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LIST(APPEND DEVICE_SETUP_LIST HIP)
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ENDIF()
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KOKKOS_DEVICE_OPTION(SYCL OFF DEVICE "Whether to build SYCL backend")
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## SYCL has extra setup requirements, turn on Kokkos_Setup_SYCL.hpp in macros
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IF (KOKKOS_ENABLE_SYCL)
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IF(KOKKOS_CXX_STANDARD LESS 17)
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MESSAGE(FATAL_ERROR "SYCL backend requires C++17 or newer!")
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ENDIF()
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LIST(APPEND DEVICE_SETUP_LIST SYCL)
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ENDIF()
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