mirror of https://github.com/QMCPACK/qmcpack.git
46 lines
1.7 KiB
CMake
46 lines
1.7 KiB
CMake
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# Set the std
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SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -c99")
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# Enable OpenMP
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# If just -mp is specified, OMP_NUM_THREADS must be set in order to run in parallel
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# Specifying 'allcores' will run on all cores if OMP_NUM_THREADS is not set (which seems
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# to be the default for other OpenMP implementations)
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IF(QMC_OMP)
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SET(ENABLE_OPENMP 1)
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SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mp=allcores")
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IF(ENABLE_OFFLOAD AND NOT CMAKE_SYSTEM_NAME STREQUAL "CrayLinuxEnvironment")
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MESSAGE(WARNING "QMCPACK OpenMP offload is not ready for NVIDIA HPC compiler.")
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IF(NOT DEFINED OFFLOAD_ARCH)
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MESSAGE(FATAL_ERROR "NVIDIA HPC compiler requires -gpu=ccXX option set based on the target GPU architecture! "
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"Please add -DOFFLOAD_ARCH=ccXX to cmake. For example, cc70 is for Volta.")
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ENDIF()
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SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mp=gpu -gpu=${OFFLOAD_ARCH}")
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ELSE()
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SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mp=allcores")
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ENDIF()
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ENDIF(QMC_OMP)
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ADD_DEFINITIONS( -Drestrict=__restrict__ )
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SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ")
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SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D__forceinline=inline")
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# Set extra optimization specific flags
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SET( CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -fast" )
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SET( CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -fast" )
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SET( CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO} -fast" )
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SET( CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} -fast" )
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# Setting this to 'OFF' adds the -A flag, which enforces strict standard compliance
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# and causes the compilation to fail with some GNU header files
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SET(CMAKE_CXX_EXTENSIONS ON)
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# Add static flags if necessary
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IF(QMC_BUILD_STATIC)
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SET(CMAKE_CXX_LINK_FLAGS " -Bstatic")
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ENDIF(QMC_BUILD_STATIC)
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