23 lines
891 B
Diff
23 lines
891 B
Diff
From 8a1710dd0da445d76e6eaeb35b180d24efac0919 Mon Sep 17 00:00:00 2001
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From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
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Date: Sun, 6 Oct 2024 20:03:32 +0200
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Subject: [PATCH] don't apply switch_ratio to tail of loop
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---
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driver/level3/level3_thread.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/driver/level3/level3_thread.c b/driver/level3/level3_thread.c
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index ddb39abd66..3d56c45a99 100644
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--- a/driver/level3/level3_thread.c
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+++ b/driver/level3/level3_thread.c
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@@ -742,7 +742,7 @@ static int gemm_driver(blas_arg_t *args, BLASLONG *range_m, BLASLONG
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num_parts = 0;
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while (n > 0){
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width = blas_quickdivide(n + nthreads - num_parts - 1, nthreads - num_parts);
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- if (width < switch_ratio) {
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+ if (width < switch_ratio && width > 1) {
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width = switch_ratio;
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}
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width = round_up(n, width, GEMM_PREFERED_SIZE);
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