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Posted to dev@arrow.apache.org by "Antoine Pitrou (JIRA)" <ji...@apache.org> on 2018/05/10 17:18:00 UTC
[jira] [Created] (ARROW-2569) [C++] Improve thread pool size
heuristic
Antoine Pitrou created ARROW-2569:
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Summary: [C++] Improve thread pool size heuristic
Key: ARROW-2569
URL: https://issues.apache.org/jira/browse/ARROW-2569
Project: Apache Arrow
Issue Type: Improvement
Components: C++
Reporter: Antoine Pitrou
We currently use the number of available HW threads as the default thread pool size for CPU-bound tasks. We should also examine well-known environment variables such as {{OMP_NUM_THREADS}}. Some discussion here: https://bugs.python.org/issue32986
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