Differences

This shows you the differences between two versions of the page.

--- master-openmp [June 11, 2026 at 11:08] – Ivan Janevski
+++ master-openmp [June 11, 2026 at 11:08] (current) – Ivan Janevski
@@ Line 1: / Line 1: @@
 # Master (OpenMP)
-**Master** is an OpenMP directive that restricts execution of a block to thread 0.
+**Master** is an OpenMP directive that restricts execution of a block to thread 0. Unlike [[single-openmp|single]], there is no implicit barrier. Other threads skip the block entirely and continue immediately, making it suitable for non-critical side effects like printing progress or updating a log counter where stalling the whole team would be wasteful.
-Unlike [[single-openmp|single]], there is no implicit barrier. Other threads skip the block entirely and continue immediately, making it suitable for non-critical side effects like printing progress or updating a log counter where stalling the whole team would be wasteful.
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