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If we are correctly configured for distributed mode, use the cluster's CPU count instead of ours. If we are configured for sccache but without distributed mode, inform the user but continue with normal job limits. Signed-off-by: Zack Cerza <zack@redhat.com>
56 lines
2.0 KiB
CMake
56 lines
2.0 KiB
CMake
set(MAX_COMPILE_MEM 3500 CACHE INTERNAL "maximum memory used by each compiling job (in MiB)")
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set(MAX_LINK_MEM 4500 CACHE INTERNAL "maximum memory used by each linking job (in MiB)")
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cmake_host_system_information(RESULT _num_cores QUERY NUMBER_OF_LOGICAL_CORES)
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cmake_host_system_information(RESULT _total_mem QUERY TOTAL_PHYSICAL_MEMORY)
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if(NINJA_MAX_COMPILE_JOBS)
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set(_avg_compile_jobs "${NINJA_MAX_COMPILE_JOBS}")
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else()
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math(EXPR _avg_compile_jobs "${_total_mem} / ${MAX_COMPILE_MEM}")
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if(_avg_compile_jobs EQUAL 0)
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set(_avg_compile_jobs 1)
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endif()
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if(_num_cores LESS _avg_compile_jobs)
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set(_avg_compile_jobs "${_num_cores}")
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endif()
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set(NINJA_MAX_COMPILE_JOBS "${_avg_compile_jobs}" CACHE STRING
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"The maximum number of concurrent compilation jobs, for Ninja build system." FORCE)
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mark_as_advanced(NINJA_MAX_COMPILE_JOBS)
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endif()
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if(NINJA_MAX_COMPILE_JOBS)
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math(EXPR _heavy_compile_jobs "${_avg_compile_jobs} / 2")
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if(_heavy_compile_jobs EQUAL 0)
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set(_heavy_compile_jobs 1)
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endif()
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set_property(GLOBAL APPEND PROPERTY JOB_POOLS
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avg_compile_job_pool=${NINJA_MAX_COMPILE_JOBS}
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heavy_compile_job_pool=${_heavy_compile_jobs})
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set(CMAKE_JOB_POOL_COMPILE avg_compile_job_pool)
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endif()
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if(NINJA_MAX_LINK_JOBS)
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set(_avg_link_jobs "${NINJA_MAX_LINK_JOBS}")
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else()
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math(EXPR _avg_link_jobs "${_total_mem} / ${MAX_LINK_MEM}")
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if(_avg_link_jobs EQUAL 0)
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set(_avg_link_jobs 1)
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endif()
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if(_num_cores LESS _avg_link_jobs)
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set(_avg_link_jobs "${_num_cores}")
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endif()
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set(NINJA_MAX_LINK_JOBS "${_avg_link_jobs}" CACHE STRING
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"The maximum number of concurrent link jobs, for Ninja build system." FORCE)
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mark_as_advanced(NINJA_MAX_LINK_JOBS)
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endif()
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if(NINJA_MAX_LINK_JOBS)
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math(EXPR _heavy_link_jobs "${_avg_link_jobs} / 2")
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if(_heavy_link_jobs EQUAL 0)
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set(_heavy_link_jobs 1)
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endif()
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set_property(GLOBAL APPEND PROPERTY JOB_POOLS
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avg_link_job_pool=${NINJA_MAX_LINK_JOBS}
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heavy_link_job_pool=${_heavy_link_jobs})
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set(CMAKE_JOB_POOL_LINK avg_link_job_pool)
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endif()
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