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--- sections-openmp [June 11, 2026 at 09:20] – created - external edit 127.0.0.1
+++ sections-openmp [Unknown date] (current) – removed - external edit (Unknown date) 127.0.0.1
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-# Sections (OpenMP)
-Suppose you have a few independent operations — compress a buffer, encrypt a header, write a log — that share no data and could run simultaneously. A loop doesn't fit because the operations are distinct, not iterations of the same work. **Sections** is the OpenMP construct for this case: it distributes a fixed set of independent code blocks across threads at compile time. Each block is wrapped in `#pragma omp section`.
-```c
-#pragma omp parallel sections
-{
-    #pragma omp section
-    compress(data);
-    #pragma omp section
-    encrypt(header);
-    #pragma omp section
-    write_log(meta);
-}
-```
-If there are more `section` blocks than threads, the excess blocks are queued and picked up as threads become free. If there are fewer blocks than threads, the extra threads sit idle. For a large or dynamic number of tasks, [[tasks-openmp|tasks]] are more flexible; `sections` is simpler when the count is small and fixed.