diff options
Diffstat (limited to '0026-GOMP-Enabling-moutline-atomics-improves-libgomp-perf.patch')
| -rw-r--r-- | 0026-GOMP-Enabling-moutline-atomics-improves-libgomp-perf.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/0026-GOMP-Enabling-moutline-atomics-improves-libgomp-perf.patch b/0026-GOMP-Enabling-moutline-atomics-improves-libgomp-perf.patch new file mode 100644 index 0000000..b57a5a6 --- /dev/null +++ b/0026-GOMP-Enabling-moutline-atomics-improves-libgomp-perf.patch @@ -0,0 +1,37 @@ +From 7efae59159577657f22511aa3b2cebe85ca60d9d Mon Sep 17 00:00:00 2001 +From: dingguangya <dingguangya1@huawei.com> +Date: Mon, 4 Sep 2023 16:30:58 +0800 +Subject: [PATCH 2/2] [GOMP] Enabling moutline-atomics improves libgomp + performance in multi-thread scenarios + +Libgomp is used in multi-thread scenarios, +Enabling moutline-atomics improves performance. +--- + libgomp/configure.tgt | 11 +++++++++++ + 1 file changed, 11 insertions(+) + +diff --git a/libgomp/configure.tgt b/libgomp/configure.tgt +index 2cd7272fc..f924e9f98 100644 +--- a/libgomp/configure.tgt ++++ b/libgomp/configure.tgt +@@ -32,6 +32,17 @@ if test $gcc_cv_have_tls = yes ; then + esac + fi + ++# Enabling moutline-atomics improves libgomp performance in multi-thread scenarios. ++case "${target_cpu}" in ++ aarch64*) ++ case "${target}" in ++ aarch64*-*-linux*) ++ XCFLAGS="${XCFLAGS} -moutline-atomics" ++ ;; ++ esac ++ ;; ++esac ++ + tmake_file= + # Since we require POSIX threads, assume a POSIX system by default. + config_path="posix" +-- +2.33.0 + |