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adjusted number of threads for small size

This commit is contained in:
wernsaar 2014-07-15 14:41:35 +02:00
parent bcb115b55b
commit d286daa2ba
1 changed files with 2 additions and 2 deletions
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4
interface/gemm.c
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@ -405,11 +405,11 @@ void CNAME(enum CBLAS_ORDER order, enum CBLAS_TRANSPOSE TransA, enum CBLAS_TRANS
#ifndef COMPLEX #ifndef COMPLEX
double MNK = (double) args.m * (double) args.n * (double) args.k; double MNK = (double) args.m * (double) args.n * (double) args.k;
if ( MNK <= (1024.0 * (double) GEMM_MULTITHREAD_THRESHOLD) ) if ( MNK <= (16.0 * 1024.0 * (double) GEMM_MULTITHREAD_THRESHOLD) )
nthreads_max = 1; nthreads_max = 1;
else else
{ {
if ( MNK <= (65536.0 * (double) GEMM_MULTITHREAD_THRESHOLD) ) if ( MNK <= (2.0 * 65536.0 * (double) GEMM_MULTITHREAD_THRESHOLD) )
{ {
nthreads_max = 4; nthreads_max = 4;
if ( args.m < 16 * GEMM_MULTITHREAD_THRESHOLD ) if ( args.m < 16 * GEMM_MULTITHREAD_THRESHOLD )