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persistent threads in a nested parallel region
- From: Jakub Kurzak <kurzak at icl dot utk dot edu>
- To: gcc-help at gcc dot gnu dot org, gcc at gcc dot gnu dot org
- Date: Tue, 30 May 2017 20:33:34 -0400
- Subject: persistent threads in a nested parallel region
- Authentication-results: sourceware.org; auth=none
I have a parallel for inside a parallel task.
Nesting works fine, but the nested threads are launched every time,
and the overhead is problematic.
Is there a way to keep the nested threads persistent?