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torch.set_num_threads sets MKL option too #4949

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Merged
soumith merged 1 commit into from
Jan 31, 2018
Merged

torch.set_num_threads sets MKL option too #4949

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13 changes: 9 additions & 4 deletions aten/src/TH/THGeneral.c
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,11 @@
#include <malloc/malloc.h>
#endif

#ifdef TH_BLAS_MKL
extern void mkl_set_num_threads(int);
extern int mkl_get_max_threads(void);
#endif

/* Torch Error Handling */
static void defaultErrorHandlerFunction(const char *msg, void *data)
{
Expand Down Expand Up @@ -302,6 +307,10 @@ void THSetNumThreads(int num_threads)
#ifdef _OPENMP
omp_set_num_threads(num_threads);
#endif
#ifdef TH_BLAS_MKL
mkl_set_num_threads(num_threads);
#endif

}

int THGetNumThreads(void)
Expand All @@ -322,10 +331,6 @@ int THGetNumCores(void)
#endif
}

#ifdef TH_BLAS_MKL
extern int mkl_get_max_threads(void);
#endif

TH_API void THInferNumThreads(void)
{
#if defined(_OPENMP) && defined(TH_BLAS_MKL)
Expand Down