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Merge pull request #4388 from martin-frbg/issue4387 

Add lower limit for multithreading in the reimplemented LAPACK ?GESV
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Martin Kroeker 2023-12-21 22:21:44 +01:00 committed by GitHub
parent 67779177b9 a7ed60bfe9
commit 68ef2328eb
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 8 additions and 1 deletions
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7
interface/lapack/gesv.c
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@ -114,6 +114,13 @@ int NAME(blasint *N, blasint *NRHS, FLOAT *a, blasint *ldA, blasint *ipiv,
#ifdef SMP #ifdef SMP
args.common = NULL; args.common = NULL;
#ifndef DOUBLE
if (args.m*args.n < 40000)
#else
if (args.m*args.n < 10000)
#endif
args.nthreads=1;
else
args.nthreads = num_cpu_avail(4); args.nthreads = num_cpu_avail(4);
if (args.nthreads == 1) { if (args.nthreads == 1) {