Merge pull request #3250 from martin-frbg/gemv-shortcut

Add shortcut for small-size S/D GEMV_N with increments of one
2021-06-15 14:50:14 +02:00 · 2021-06-15 14:50:14 +02:00 · 7aab5e826c
parent 29417adf4c f0e7345fb8
commit 7aab5e826c
1 changed files with 5 additions and 0 deletions
--- a/interface/gemv.c
+++ b/interface/gemv.c
@ -202,6 +202,11 @@ void CNAME(enum CBLAS_ORDER order,

  if (alpha == ZERO) return;

+  if (trans == 0 && incx == 1 && incy == 1 && m*n < 2304 *GEMM_MULTITHREAD_THRESHOLD) {
+    GEMV_N(m, n, 0, alpha, a, lda, x, incx, y, incy, buffer);
+    return;
+  }    
+
  IDEBUG_START;

  FUNCTION_PROFILE_START();