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Help:ProcessorCount: recommend cmake_host_system_information

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closes #24277
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scivision
2023-01-16 15:29:26 -05:00
parent 87d28dd804
commit 93624e4c3d
1 changed files with 9 additions and 3 deletions
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12
Modules/ProcessorCount.cmake
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@@ -22,9 +22,17 @@ This function is guaranteed to return a positive integer (>=1) if it
succeeds. It returns 0 if there's a problem determining the processor
count.
More generally accurate physical CPU count can be obtained via
:command:`cmake_host_system_information`:
.. code-block:: cmake
cmake_host_system_information(RESULT N
QUERY NUMBER_OF_PHYSICAL_CORES)
Example use, in a ctest -S dashboard script:
::
.. code-block:: cmake
include(ProcessorCount)
ProcessorCount(N)
@@ -33,8 +41,6 @@ Example use, in a ctest -S dashboard script:
set(ctest_test_args ${ctest_test_args} PARALLEL_LEVEL ${N})
endif()
This function is intended to offer an approximation of the value of
the number of compute cores available on the current machine, such
that you may use that value for parallel building and parallel