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Merge pull request #2517 from PaulBone/num_cores

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Make the number of physical CPU cores detection more robust
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sen 2021-03-08 11:14:34 -05:00 committed by GitHub
commit a3feed8dcd
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1 changed files with 7 additions and 2 deletions
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9
programs/util.c
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@ -1212,12 +1212,17 @@ int UTIL_countPhysicalCores(void)
/* fall back on the sysconf value */ /* fall back on the sysconf value */
goto failed; goto failed;
} } } }
if (siblings && cpu_cores) { if (siblings && cpu_cores && siblings > cpu_cores) {
ratio = siblings / cpu_cores; ratio = siblings / cpu_cores;
} }
if (ratio && numPhysicalCores > ratio) {
numPhysicalCores = numPhysicalCores / ratio;
}
failed: failed:
fclose(cpuinfo); fclose(cpuinfo);
return numPhysicalCores = numPhysicalCores / ratio; return numPhysicalCores;
} }
} }