From d1800397f592226cd0cb933303c09de325034412 Mon Sep 17 00:00:00 2001 From: wernsaar Date: Tue, 2 Sep 2014 17:36:07 +0200 Subject: [PATCH] optimized interface/gemv.c for multithreading --- interface/gemv.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/interface/gemv.c b/interface/gemv.c index 3bcc099a5..64dc641d0 100644 --- a/interface/gemv.c +++ b/interface/gemv.c @@ -215,9 +215,8 @@ void CNAME(enum CBLAS_ORDER order, int nthreads_max = num_cpu_avail(2); int nthreads_avail = nthreads_max; - double MNK = (double) m * (double) n; - if ( MNK <= (128.0 * 32.0 * (double) GEMM_MULTITHREAD_THRESHOLD) ) + if ( MNK <= (96.0 * 24.0 * (double) GEMM_MULTITHREAD_THRESHOLD) ) nthreads_max = 1; if ( nthreads_max > nthreads_avail )