blob: 5b766cf3b3cf5869de61bf1243359a0457fcc63f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
|
From 44314a556239a7524b5a6451025737c1bdbb1cd0 Mon Sep 17 00:00:00 2001
From: Wang Shuo <wangshuo47@huawei.com>
Date: Thu, 21 May 2020 11:23:06 +0800
Subject: [PATCH] turn REP_STOSB_THRESHOLD from 2k to 1M
---
sysdeps/x86_64/multiarch/memset-vec-unaligned-erms.S | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sysdeps/x86_64/multiarch/memset-vec-unaligned-erms.S b/sysdeps/x86_64/multiarch/memset-vec-unaligned-erms.S
index dcd63c92..92c08eed 100644
--- a/sysdeps/x86_64/multiarch/memset-vec-unaligned-erms.S
+++ b/sysdeps/x86_64/multiarch/memset-vec-unaligned-erms.S
@@ -65,7 +65,7 @@
Enhanced REP STOSB. Since the stored value is fixed, larger register
size has minimal impact on threshold. */
#ifndef REP_STOSB_THRESHOLD
-# define REP_STOSB_THRESHOLD 2048
+# define REP_STOSB_THRESHOLD 1048576
#endif
#ifndef SECTION
--
2.19.1
|
