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| author | Brad King <brad.king@kitware.com> | 2017-10-25 12:12:03 (GMT) |
|---|---|---|
| committer | Kitware Robot <kwrobot@kitware.com> | 2017-10-25 12:12:07 (GMT) |
| commit | b0207cec320673dcff29417ab689164de49ad8b0 (patch) | |
| tree | e696b5f3708c9fd20af89c6ea379dd5ea82b8734 /Modules | |
| parent | b5dd256d948947467b3059218a9347d0cf2c513b (diff) | |
| parent | 1610f757aca30ec2228e6cb9286338264f032545 (diff) | |
| download | CMake-b0207cec320673dcff29417ab689164de49ad8b0.zip CMake-b0207cec320673dcff29417ab689164de49ad8b0.tar.gz CMake-b0207cec320673dcff29417ab689164de49ad8b0.tar.bz2 | |
Merge topic 'findmpi-core-count'
1610f757 FindMPI: Use physical cores for MPIEXEC_MAX_NUMPROCS
Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !1405
Diffstat (limited to 'Modules')
| -rw-r--r-- | Modules/FindMPI.cmake | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/Modules/FindMPI.cmake b/Modules/FindMPI.cmake index 578fcd2..7f4c44c 100644 --- a/Modules/FindMPI.cmake +++ b/Modules/FindMPI.cmake @@ -1036,13 +1036,8 @@ set(MPIEXEC_NUMPROC_FLAG "-n" CACHE STRING "Flag used by MPI to specify the num set(MPIEXEC_PREFLAGS "" CACHE STRING "These flags will be directly before the executable that is being run by mpiexec.") set(MPIEXEC_POSTFLAGS "" CACHE STRING "These flags will be placed after all flags passed to mpiexec.") -# Set the number of processes to the processor count and the previous default -# of 2 if that couldn't be determined. -include(${CMAKE_CURRENT_LIST_DIR}/ProcessorCount.cmake) -ProcessorCount(_MPIEXEC_NUMPROCS) -if("${_MPIEXEC_NUMPROCS}" EQUAL "0") - set(_MPIEXEC_NUMPROCS 2) -endif() +# Set the number of processes to the physical processor count +cmake_host_system_information(RESULT _MPIEXEC_NUMPROCS QUERY NUMBER_OF_PHYSICAL_CORES) set(MPIEXEC_MAX_NUMPROCS "${_MPIEXEC_NUMPROCS}" CACHE STRING "Maximum number of processors available to run MPI applications.") unset(_MPIEXEC_NUMPROCS) mark_as_advanced(MPIEXEC_EXECUTABLE MPIEXEC_NUMPROC_FLAG MPIEXEC_PREFLAGS MPIEXEC_POSTFLAGS MPIEXEC_MAX_NUMPROCS) |