barrier-openmp
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| barrier-openmp [June 11, 2026 at 11:09] – Ivan Janevski | barrier-openmp [June 13, 2026 at 03:13] (current) – external edit 127.0.0.1 | ||
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| # Barrier (OpenMP) | # Barrier (OpenMP) | ||
| - | **Barrier** is a synchronisation point where all threads in a team wait until every member has arrived. | + | **Barrier** is a synchronisation point where all threads in a team wait until every member has arrived. OpenMP inserts an implicit barrier at the end of every `parallel`, `for`, and `sections` region. All threads wait there until every member of the team has arrived. An explicit `#pragma omp barrier` adds a synchronisation point mid-region, which is needed when one group of threads produces data that another group will consume in the same parallel block. |
| - | + | ||
| - | OpenMP inserts an implicit barrier at the end of every `parallel`, `for`, and `sections` region. All threads wait there until every member of the team has arrived. An explicit `#pragma omp barrier` adds a synchronisation point mid-region, which is needed when one group of threads produces data that another group will consume in the same parallel block. | + | |
| ```c | ```c | ||
barrier-openmp.1781176152.txt.gz · Last modified: by Ivan Janevski