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nproc: support nested OMP_NUM_THREADS, and OMP_THREAD_LIMIT * lib/nproc.c (parse_omp_threads): A new function refactored from num_processors() to support parsing both of the above environment variables. (num_processors): Prefer using omp_get_num_threads() with [_OPENMP] to accurately reflect the current OpenMP nesting level. Also support the OMP_THREAD_LIMIT environment variable to limit the max value determined from OMP_NUM_THREADS. * modules/nproc: Depend on minmax header. Suggested by Oliver Heimlich.
author Pádraig Brady <P@draigBrady.com>
date Mon, 20 Feb 2017 20:26:35 -0800
parents 0d0daceb5bdd
children
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Description:
Detect the number of processors

Files:
lib/nproc.h
lib/nproc.c
m4/nproc.m4

Depends-on:
c-ctype
extensions
minmax
unistd

configure.ac:
gl_NPROC

Makefile.am:
lib_SOURCES += nproc.c

Include:
"nproc.h"

License:
LGPLv2+

Maintainer:
Glen Lenker and Paul Eggert