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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,4 @@ | ||
| [submodule "vendor/googletest"] | ||
| path = vendor/googletest | ||
| url = https://github.com/google/googletest.git | ||
| ignore = all |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,17 @@ | ||
| #include <mpi.h> | ||
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| int main() | ||
| { | ||
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| #if defined(OMPI_MAJOR_VERSION) \ | ||
| && OMPI_MAJOR_VERSION > 2 \ | ||
| || ( OMPI_MAJOR_VERSION == 2 \ | ||
| && OMPI_MINOR_VERSION >= 1 \ | ||
| && OMPI_RELEASE_VERSION >= 1) | ||
| // Open MPI >=2.1.1 is fine | ||
| return 0; | ||
| #else | ||
| #error "Open MPI version with broken alignment of shared memory windows detected!" | ||
| #endif | ||
| } | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,12 @@ | ||
| #include <mpi.h> | ||
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| int main() | ||
| { | ||
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| #if MPI_VERSION >= 3 | ||
| return 0; | ||
| #else | ||
| #error "Support for at least MPI 3.0 required!" | ||
| #endif | ||
| } | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,57 +1,156 @@ | ||
| INCLUDE (CheckSymbolExists) | ||
| INCLUDE (CMakePushCheckState) | ||
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| if (NOT $ENV{MPI_C_COMPILER} STREQUAL "") | ||
| set(MPI_C_COMPILER $ENV{MPI_C_COMPILER} | ||
| CACHE STRING "MPI C compiler") | ||
| endif() | ||
| if (NOT $ENV{MPI_CXX_COMPILER} STREQUAL "") | ||
| set(MPI_CXX_COMPILER $ENV{MPI_CXX_COMPILER} | ||
| CACHE STRING "MPI C++ compiler") | ||
| endif() | ||
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| find_package(MPI) | ||
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| if (MPI_INCLUDE_PATH AND MPI_LIBRARY) | ||
| set(MPI_FOUND TRUE CACHE BOOL "Found the MPI library") | ||
| if ("${MPI_INCLUDE_PATH}" MATCHES "mpich") | ||
| set(MPI_IMPL_IS_MPICH TRUE CACHE BOOL "MPICH detected") | ||
| set(MPI_IMPL_ID "mpich" CACHE STRING "MPI implementation identifier") | ||
| elseif ("${MPI_INCLUDE_PATH}" MATCHES "cray") | ||
| set(MPI_IMPL_IS_CRAY TRUE CACHE BOOL "CrayMPI detected") | ||
| set(MPI_IMPL_ID "craympi" CACHE STRING "MPI implementation identifier") | ||
| elseif ("${MPI_INCLUDE_PATH}" MATCHES "mvapich") | ||
| set(MPI_IMPL_IS_MVAPICH TRUE CACHE BOOL "MVAPICH detected") | ||
| set(MPI_IMPL_ID "mvapich" CACHE STRING "MPI implementation identifier") | ||
| elseif ("${MPI_INCLUDE_PATH}" MATCHES "impi" | ||
| OR "${MPI_INCLUDE_PATH}" MATCHES "intel") | ||
| set(MPI_IMPL_IS_INTEL TRUE CACHE BOOL "IntelMPI detected") | ||
| set(MPI_IMPL_ID "intelmpi" CACHE STRING "MPI implementation identifier") | ||
| elseif ("${MPI_INCLUDE_PATH}" MATCHES "openmpi") | ||
| set(MPI_IMPL_IS_OPENMPI TRUE CACHE BOOL "OpenMPI detected") | ||
| set(MPI_IMPL_ID "openmpi" CACHE STRING "MPI implementation identifier") | ||
| # temporarily disable shared memory windows due to alignment problems | ||
| set(ENABLE_SHARED_WINDOWS OFF) | ||
| message(WARNING "MPI shared windows disabled due to defective allocation in OpenMPI") | ||
| if (NOT DEFINED MPI_IMPL_ID) | ||
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| if (NOT $ENV{MPI_C_COMPILER} STREQUAL "") | ||
| set(MPI_C_COMPILER $ENV{MPI_C_COMPILER} | ||
| CACHE STRING "MPI C compiler") | ||
| endif() | ||
| if (NOT $ENV{MPI_CXX_COMPILER} STREQUAL "") | ||
| set(MPI_CXX_COMPILER $ENV{MPI_CXX_COMPILER} | ||
| CACHE STRING "MPI C++ compiler") | ||
| endif() | ||
|
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| # find MPI environment | ||
| find_package(MPI) | ||
|
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| # helper function that executes the MPI compiler | ||
| # on the given source file and sets | ||
| # resvar to true if the compile step succeeded | ||
| function (check_mpi_compile sourcefile resvar) | ||
|
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| # check for MPI-3 | ||
| get_filename_component(filename ${sourcefile} NAME) | ||
| execute_process( | ||
| COMMAND "${MPI_C_COMPILER}" -c "${sourcefile}" -o "${CMAKE_BINARY_DIR}/${filename}.o" | ||
| RESULT_VARIABLE RETURN_VAL | ||
| OUTPUT_VARIABLE OUTPUT | ||
| ERROR_VARIABLE OUTPUT | ||
| ) | ||
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| if (RETURN_VAL EQUAL 0) | ||
| set (${resvar} TRUE PARENT_SCOPE) | ||
| else () | ||
| set (${resvar} FALSE PARENT_SCOPE) | ||
| message (STATUS "Failed to execute MPI compiler: \n${OUTPUT}") | ||
| endif () | ||
|
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| endfunction () | ||
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|
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| # Determine MPI implementation | ||
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| # save current state | ||
| cmake_push_check_state() | ||
| set (CMAKE_REQUIRED_INCLUDES ${MPI_INCLUDE_PATH}) | ||
|
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| # check for Open MPI | ||
| check_symbol_exists( | ||
| OMPI_MAJOR_VERSION | ||
| mpi.h | ||
| HAVE_OPEN_MPI | ||
| ) | ||
| if (HAVE_OPEN_MPI) | ||
| set (MPI_IMPL_IS_OPENMPI TRUE CACHE BOOL "OpenMPI detected") | ||
| set (MPI_IMPL_ID "openmpi" CACHE STRING "MPI implementation identifier") | ||
| check_mpi_compile(${CMAKE_SOURCE_DIR}/CMakeExt/Code/test_compatible_ompi.c OMPI_OK) | ||
| if (NOT OMPI_OK) | ||
| message(WARNING | ||
| "Disabling shared memory window support due to defective allocation " | ||
| "in OpenMPI <2.1.1") | ||
| set (ENABLE_SHARED_WINDOWS OFF) | ||
| endif() | ||
| endif() | ||
|
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| # order matters: all of the following | ||
| # implementations also define MPICH | ||
| if (NOT DEFINED MPI_IMPL_ID) | ||
| # check for Intel MPI | ||
| check_symbol_exists( | ||
| I_MPI_VERSION | ||
| mpi.h | ||
| HAVE_I_MPI | ||
| ) | ||
| if (HAVE_I_MPI) | ||
| set (MPI_IMPL_IS_INTEL TRUE CACHE BOOL "IntelMPI detected") | ||
| set (MPI_IMPL_ID "intelmpi" CACHE STRING "MPI implementation identifier") | ||
| endif () | ||
| endif () | ||
|
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||
| if (NOT DEFINED MPI_IMPL_ID) | ||
| # check for MVAPICH | ||
| check_symbol_exists( | ||
| MVAPICH2_VERSION | ||
| mpi.h | ||
| HAVE_MVAPICH | ||
| ) | ||
| if (HAVE_MVAPICH) | ||
| set (MPI_IMPL_IS_MVAPICH TRUE CACHE BOOL "MVAPICH detected") | ||
| set (MPI_IMPL_ID "mvapich" CACHE STRING "MPI implementation identifier") | ||
| endif () | ||
| endif () | ||
|
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||
| if (NOT DEFINED MPI_IMPL_ID) | ||
| # check for Cray MPI | ||
| check_symbol_exists( | ||
| CRAY_MPICH_VERSION | ||
| mpi.h | ||
| HAVE_CRAY_MPI | ||
| ) | ||
| if (NOT HAVE_CRAY_MPI) | ||
| # fall-back for versions prior to MPT 7.6.0 | ||
| # MPIX_PortName_Backlog is a Cray extension | ||
| check_symbol_exists( | ||
| MPIX_PortName_Backlog | ||
| mpi.h | ||
| HAVE_CRAY_MPI | ||
| ) | ||
| endif() | ||
| if (HAVE_CRAY_MPI) | ||
| set(MPI_IMPL_IS_CRAY TRUE CACHE BOOL "CrayMPI detected") | ||
| set(MPI_IMPL_ID "craympi" CACHE STRING "MPI implementation identifier") | ||
| endif () | ||
| endif () | ||
|
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| if (NOT DEFINED MPI_IMPL_ID) | ||
| # check for MVAPICH | ||
| check_symbol_exists( | ||
| MPICH | ||
| mpi.h | ||
| HAVE_MPICH | ||
| ) | ||
| if (HAVE_MPICH) | ||
| set (MPI_IMPL_IS_MPICH TRUE CACHE BOOL "MPICH detected") | ||
| set (MPI_IMPL_ID "mpich" CACHE STRING "MPI implementation identifier") | ||
| endif () | ||
| endif () | ||
|
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| # restore state | ||
| cmake_pop_check_state() | ||
|
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| if (NOT DEFINED MPI_IMPL_ID) | ||
| set (MPI_IMPL_ID "UNKNOWN" CACHE STRING "MPI implementation identifier") | ||
| endif() | ||
| else (MPI_INCLUDE_PATH AND MPI_LIBRARY) | ||
| set(MPI_FOUND FALSE CACHE BOOL "Did not find the MPI library") | ||
| endif (MPI_INCLUDE_PATH AND MPI_LIBRARY) | ||
|
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| message(STATUS "Detected MPI implementation: ${MPI_IMPL_ID}") | ||
| message(STATUS "Detected MPI C compiler: ${MPI_C_COMPILER}") | ||
|
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| # check for MPI-3 | ||
| check_mpi_compile(${CMAKE_SOURCE_DIR}/CMakeExt/Code/test_mpi_support.c HAVE_MPI3) | ||
|
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| # save current state | ||
| cmake_push_check_state() | ||
| set(CMAKE_REQUIRED_INCLUDES ${MPI_INCLUDE_PATH}) | ||
| check_symbol_exists( | ||
| MPI_NO_OP | ||
| mpi.h | ||
| HAVE_MPI_NO_OP | ||
| ) | ||
| cmake_pop_check_state() | ||
| if (NOT HAVE_MPI3) | ||
| message(${OUTPUT}) | ||
| set(MPI_IS_DART_COMPATIBLE FALSE CACHE BOOL | ||
| "MPI LIB has support for MPI-3") | ||
| message (WARNING | ||
| "Detected MPI implementation (${MPI_IMPL_ID}) does not support MPI-3") | ||
| message (STATUS "${OUTPUT}") | ||
| unset (MPI_IMPL_ID CACHE) | ||
| else() | ||
| set(MPI_IS_DART_COMPATIBLE TRUE CACHE BOOL | ||
| "MPI LIB has support for MPI-3") | ||
| endif() | ||
|
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||
| if (NOT HAVE_MPI_NO_OP) | ||
| message(FATAL_ERROR "Detected MPI library does not support MPI-3.") | ||
| endif() | ||
| set (CMAKE_C_COMPILER ${CMAKE_C_COMPILER_SAFE}) | ||
|
|
||
| endif(NOT DEFINED MPI_IMPL_ID) |
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