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Rewrote core CMakeLists.txt for cmake versions with proper CUDA & MPI support (3.9+)

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jpekkila
2019-12-04 15:09:38 +02:00
parent 0ea2fa9337
commit 6a250f0572
1 changed files with 17 additions and 39 deletions
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56
src/core/CMakeLists.txt
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@@ -6,54 +6,32 @@
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_FLAGS "-Wall -Wextra -Werror -Wdouble-promotion -Wfloat-conversion -Wshadow")
#set(CMAKE_CXX_FLAGS_DEBUG "-g")
#set(CMAKE_CXX_FLAGS_RELEASE "-O3") # Leads to very bad performance on my local machine for some reason
set(CMAKE_CXX_FLAGS_DEBUG "-g")
set(CMAKE_CXX_FLAGS_RELEASE "-O3")
## Find packages
find_package(CUDA REQUIRED)
set(CUDA_SEPARABLE_COMPILATION ON)
# find_package(OpenMP REQUIRED)
# Require CUDA
set(CMAKE_CUDA_FLAGS "-gencode arch=compute_70,code=sm_70 -ftz=true --restrict")
## Architecture and optimization flags
set(CUDA_ARCH_FLAGS -gencode arch=compute_37,code=sm_37
-gencode arch=compute_50,code=sm_50
-gencode arch=compute_60,code=sm_60
-gencode arch=compute_61,code=sm_61
-gencode arch=compute_70,code=sm_70
-lineinfo
-ftz=true # Flush denormalized floats to zero
-std=c++11
)# --compiler-options ${OpenMP_CXX_FLAGS})
#--maxrregcount=255
# -Xptxas -dlcm=ca opt-in to cache all global loads to L1/texture cache
# =cg to opt out
# Compile kernels
add_library(astaroth_kernels STATIC kernels/boundconds.cu kernels/integration.cu kernels/reductions.cu)
target_include_directories(astaroth_kernels PRIVATE .)
target_compile_features(astaroth_kernels PRIVATE cxx_std_11)
set_target_properties(astaroth_kernels PROPERTIES CUDA_SEPARABLE_COMPILATION ON)
add_dependencies(astaroth_kernels dsl_headers)
set(CUDA_WARNING_FLAGS --compiler-options -Wall,-Wextra,-Werror,-Wdouble-promotion,-Wfloat-conversion,-Wshadow)
set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} ${CUDA_ARCH_FLAGS} ${CUDA_WARNING_FLAGS})
# Workaround for CMake bug https://gitlab.kitware.com/cmake/cmake/issues/16411
if (CMAKE_BUILD_TYPE_UPPER STREQUAL "RELEASE")
set(CUDA_NVCC_FLAGS_RELEASE -O3)
elseif (CMAKE_BUILD_TYPE_UPPER STREQUAL "DEBUG")
set(CUDA_NVCC_FLAGS_DEBUG --device-debug --generate-line-info --ptxas-options=-v)
endif()
## Create and link the library
#set(CMAKE_POSITION_INDEPENDENT_CODE ON) # fpic for shared libraries
cuda_add_library(astaroth_core STATIC astaroth.cc node.cc device.cc kernels/boundconds.cu kernels/integration.cu kernels/reductions.cu)
# Compile core
add_library(astaroth_core STATIC astaroth.cc node.cc device.cc)
target_include_directories(astaroth_core PRIVATE . ${CUDA_INCLUDE_DIRS})
target_link_libraries(astaroth_core m ${CUDA_LIBRARIES})
target_link_libraries(astaroth_core m cudart astaroth_kernels)
target_compile_definitions(astaroth_core PRIVATE AC_USE_CUDA_RUNTIME_API)
add_dependencies(astaroth_core dsl_headers)
set_target_properties(astaroth_core PROPERTIES POSITION_INDEPENDENT_CODE ON)
add_dependencies(astaroth_kernels dsl_headers)
## Definitions
if (MULTIGPU_ENABLED)
add_definitions(-DAC_MULTIGPU_ENABLED=1)
target_compile_definitions(astaroth_core PRIVATE AC_MULTIGPU_ENABLED=1)
endif ()
if (MPI_ENABLED)
find_package(MPI REQUIRED)
target_link_libraries(astaroth_core astaroth_utils MPI::MPI_CXX)
target_link_libraries(astaroth_core astaroth_utils)
target_compile_definitions(astaroth_core PRIVATE AC_MPI_ENABLED=1)
endif ()