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Modify CMakeLists to allow using MPI instead of OpenMP #38

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Modify CMakeLists to allow using MPI instead of OpenMP #38

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22 changes: 15 additions & 7 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -10,27 +10,35 @@ SET(CMAKE_CXX_STANDARD_REQUIRED ON)

PROJECT(FDPS_SPH)

#Bring the headers, such as Student.h into the project
#Bring the headers into the project
INCLUDE_DIRECTORIES(src FDPS/src)

SET(DEFAULT_BUILD_TYPE "Release")

IF(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
MESSAGE(STATUS "Setting build type to '${DEFAULT_BUILD_TYPE}' as none was specified.")
SET(CMAKE_BUILD_TYPE "${DEFAULT_BUILD_TYPE}" CACHE
STRING "Choose the type of build." FORCE)
# Set the possible values of build type for cmake-gui
SET_PROPERTY(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
"Debug" "Release" "MinSizeRel" "RelWithDebInfo")
STRING "Choose the type of build." FORCE)
# Set the possible values of build type for cmake-gui
SET_PROPERTY(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
"Debug" "Release" "MinSizeRel" "RelWithDebInfo")
ENDIF()

SET(CMAKE_CXX_FLAGS "-DPARTICLE_SIMULATOR_THREAD_PARALLEL -fopenmp -DPARTICLE_SIMULATOR_ALL_64BIT_PRECISION -DFAST_COMM_FOR_2ND_EXCHANGE")
SET(CMAKE_CXX_FLAGS_RELEASE "-O3 -ffast-math -funroll-loops")
SET(CMAKE_CXX_FLAGS "-DPARTICLE_SIMULATOR_ALL_64BIT_PRECISION -DFAST_COMM_FOR_2ND_EXCHANGE -lm" CACHE STRING "compile flags" FORCE)
SET(CMAKE_CXX_FLAGS_RELEASE "-O3 -ffast-math -funroll-loops" CACHE STRING "compile flags release mode" FORCE)

SET(FDPS_USE_MPI OFF CACHE BOOL "Use MPI for parallelization.")

IF(FDPS_USE_MPI)
SET(CMAKE_CXX_FLAGS "-DPARTICLE_SIMULATOR_MPI_PARALLEL ${CMAKE_CXX_FLAGS}" CACHE STRING "compile flags release model" FORCE)
ELSE()
SET(CMAKE_CXX_FLAGS "-DPARTICLE_SIMULATOR_THREAD_PARALLEL -fopenmp ${CMAKE_CXX_FLAGS}" CACHE STRING "compile flags release model" FORCE)
ENDIF()

MESSAGE(STATUS "CMAKE_BUILD_TYPE: ${CMAKE_BUILD_TYPE}")
MESSAGE(STATUS "CMAKE_CXX_FLAGS: ${CMAKE_CXX_FLAGS}")
MESSAGE(STATUS "CMAKE_CXX_FLAGS_DEBUG: ${CMAKE_CXX_FLAGS_DEBUG}")
MESSAGE(STATUS "CMAKE_CXX_FLAGS_RELEASE: ${CMAKE_CXX_FLAGS_RELEASE}")
MESSAGE(STATUS "FDPS_USE_MPI: ${FDPS_USE_MPI}")

ADD_EXECUTABLE(sph.out src/main.cpp)