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Cap the number of parallel threads

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Martin Kroeker 2024-03-27 20:32:11 +01:00 committed by GitHub
parent 9af2a9dc3b
commit 496106642f
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1 changed files with 10 additions and 6 deletions
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16
interface/lapack/potrf.c
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@ -113,13 +113,17 @@ int NAME(char *UPLO, blasint *N, FLOAT *a, blasint *ldA, blasint *Info){
#ifdef SMP
args.common = NULL;
#ifndef DOUBLE
if (args.n <128)
#else
if (args.n <64)
#endif
int nmax = 128;
#else
int nmax = 64;
endif
if (args.n <nmax) {
args.nthreads = 1;
else
args.nthreads = num_cpu_avail(4);
} else {
args.nthreads = num_cpu_avail(4);
if (args.n/args.nthreads <nmax)
args.nthreads = args.n/nmax;
}
if (args.nthreads == 1) {
#endif