On Thu, Sep 01, 2022 at 11:39:42PM +0800, Chung-Lin Tang wrote:
> our work on SPEChpc2021 benchmarks show that, after the fix for PR99555 was
> committed:
> [libgomp, nvptx] Fix hang in gomp_team_barrier_wait_end
> https://gcc.gnu.org/git/gitweb.cgi?p=gcc.git;h=5ed77fb3ed1ee0289a0ec9499ef52b99b394
sk_lock);
+ if (team->barrier.generation & BAR_CANCELLED)
+{
+ gomp_mutex_unlock (&team->task_lock);
+ return;
+}
+ team->barrier.generation |= BAR_CANCELLED;
+ gomp_mutex_unlock (&team->task_lock);
+ futex_wake ((int *) &team->barrier.generation, INT_MAX);
+}
--
2.8.1
