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| author | Kefu Chai <kchai@redhat.com> | 2021-04-14 09:06:50 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-04-14 09:06:50 +0200 |
| commit | e09f8d7dd027735ecc015f0497a1668e6cbcf1d2 (patch) | |
| tree | 0c4347e123f701fe7bacdffe92d4cdcc8f8dc0ff /cmake/modules | |
| parent | Merge pull request #40785 from tchaikov/wip-doc-list-spacing (diff) | |
| parent | cmake: use ninja job pool (diff) | |
| download | ceph-e09f8d7dd027735ecc015f0497a1668e6cbcf1d2.tar.xz ceph-e09f8d7dd027735ecc015f0497a1668e6cbcf1d2.zip | |
Merge pull request #40149 from tchaikov/wip-cmake-job-pool
cmake: use ninja job pool
Reviewed-by: Patrick Donnelly <pdonnell@redhat.com>
Diffstat (limited to 'cmake/modules')
| -rw-r--r-- | cmake/modules/LimitJobs.cmake | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/cmake/modules/LimitJobs.cmake b/cmake/modules/LimitJobs.cmake new file mode 100644 index 00000000000..7d411026f36 --- /dev/null +++ b/cmake/modules/LimitJobs.cmake @@ -0,0 +1,47 @@ +set(MAX_COMPILE_MEM 2500 CACHE INTERNAL "maximum memory used by each compiling job (in MiB)") +set(MAX_LINK_MEM 3300 CACHE INTERNAL "maximum memory used by each linking job (in MiB)") + +cmake_host_system_information(RESULT _num_cores QUERY NUMBER_OF_LOGICAL_CORES) +cmake_host_system_information(RESULT _total_mem QUERY TOTAL_PHYSICAL_MEMORY) + +math(EXPR _avg_compile_jobs "${_total_mem} / ${MAX_COMPILE_MEM}") +if(_avg_compile_jobs EQUAL 0) + set(_avg_compile_jobs 1) +endif() +if(_num_cores LESS _avg_compile_jobs) + set(_avg_compile_jobs ${_num_cores}) +endif() +set(NINJA_MAX_COMPILE_JOBS "${_avg_compile_jobs}" CACHE STRING + "The maximum number of concurrent compilation jobs, for Ninja build system." FORCE) +mark_as_advanced(NINJA_MAX_COMPILE_JOBS) +if(NINJA_MAX_COMPILE_JOBS) + math(EXPR _heavy_compile_jobs "${_avg_compile_jobs} / 2") + if(_heavy_compile_jobs EQUAL 0) + set(_heavy_compile_jobs 1) + endif() + set_property(GLOBAL APPEND PROPERTY JOB_POOLS + avg_compile_job_pool=${NINJA_MAX_COMPILE_JOBS} + heavy_compile_job_pool=${_heavy_compile_jobs}) + set(CMAKE_JOB_POOL_COMPILE avg_compile_job_pool) +endif() + +math(EXPR _avg_link_jobs "${_total_mem} / ${MAX_LINK_MEM}") +if(_avg_link_jobs EQUAL 0) + set(_avg_link_jobs 1) +endif() +if(_num_cores LESS _avg_link_jobs) + set(_avg_link_jobs ${_num_cores}) +endif() +set(NINJA_MAX_LINK_JOBS "${_avg_link_jobs}" CACHE STRING + "The maximum number of concurrent link jobs, for Ninja build system." FORCE) +mark_as_advanced(NINJA_MAX_LINK_JOBS) +if(NINJA_MAX_LINK_JOBS) + math(EXPR _heavy_link_jobs "${_avg_link_jobs} / 2") + if(_heavy_link_jobs EQUAL 0) + set(_heavy_link_jobs 1) + endif() + set_property(GLOBAL APPEND PROPERTY JOB_POOLS + avg_link_job_pool=${NINJA_MAX_LINK_JOBS} + heavy_link_job_pool=${_heavy_link_jobs}) + set(CMAKE_JOB_POOL_LINK avg_link_job_pool) +endif() |