diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2020-07-26 19:36:28 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2020-07-26 19:36:28 +0000 |
| commit | cfca06d7963fa0909f90483b42a6d7d194d01e08 (patch) | |
| tree | 209fb2a2d68f8f277793fc8df46c753d31bc853b /openmp/runtime/src/kmp_barrier.cpp | |
| parent | 706b4fc47bbc608932d3b491ae19a3b9cde9497b (diff) | |
Notes
Diffstat (limited to 'openmp/runtime/src/kmp_barrier.cpp')
| -rw-r--r-- | openmp/runtime/src/kmp_barrier.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/openmp/runtime/src/kmp_barrier.cpp b/openmp/runtime/src/kmp_barrier.cpp index a6d87b5d7a2e..4aa7a084f53a 100644 --- a/openmp/runtime/src/kmp_barrier.cpp +++ b/openmp/runtime/src/kmp_barrier.cpp @@ -549,6 +549,7 @@ __kmp_hyper_barrier_gather(enum barrier_type bt, kmp_info_t *this_thr, int gtid, if (((tid >> level) & (branch_factor - 1)) != 0) { kmp_int32 parent_tid = tid & ~((1 << (level + branch_bits)) - 1); + KMP_MB(); // Synchronize parent and child threads. KA_TRACE(20, ("__kmp_hyper_barrier_gather: T#%d(%d:%d) releasing T#%d(%d:%d) " "arrived(%p): %llu => %llu\n", @@ -590,6 +591,7 @@ __kmp_hyper_barrier_gather(enum barrier_type bt, kmp_info_t *this_thr, int gtid, kmp_flag_64 c_flag(&child_bar->b_arrived, new_state); c_flag.wait(this_thr, FALSE USE_ITT_BUILD_ARG(itt_sync_obj)); ANNOTATE_BARRIER_END(child_thr); + KMP_MB(); // Synchronize parent and child threads. #if USE_ITT_BUILD && USE_ITT_NOTIFY // Barrier imbalance - write min of the thread time and a child time to // the thread. |