critical-sections-openmp
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| critical-sections-openmp [June 11, 2026 at 09:19] – Ivan Janevski | critical-sections-openmp [June 11, 2026 at 09:21] (current) – Ivan Janevski | ||
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| # Critical sections (OpenMP) | # Critical sections (OpenMP) | ||
| - | In POSIX threads, mutual exclusion is explicit: you call `pthread_mutex_lock` before a shared update and `pthread_mutex_unlock` after. | + | In POSIX threads, mutual exclusion is explicit: you call `pthread_mutex_lock` before a shared update and `pthread_mutex_unlock` after. |
| **Critical sections** in OpenMP do the same thing with a pragma. The enclosed block is protected by an implicit mutex: only one thread at a time executes it, and threads that arrive while another is inside are blocked until it exits. Unlike [[atomic-openmp|`atomic`]], | **Critical sections** in OpenMP do the same thing with a pragma. The enclosed block is protected by an implicit mutex: only one thread at a time executes it, and threads that arrive while another is inside are blocked until it exits. Unlike [[atomic-openmp|`atomic`]], | ||
critical-sections-openmp.1781169596.txt.gz · Last modified: by Ivan Janevski