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Diffstat (limited to 'Doc/whatsnew/3.9.rst')
| -rw-r--r-- | Doc/whatsnew/3.9.rst | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Doc/whatsnew/3.9.rst b/Doc/whatsnew/3.9.rst index 8147d8f..c4b49fe 100644 --- a/Doc/whatsnew/3.9.rst +++ b/Doc/whatsnew/3.9.rst @@ -206,6 +206,11 @@ and :class:`~concurrent.futures.ProcessPoolExecutor`. This improves compatibility with subinterpreters and predictability in their shutdown processes. (Contributed by Kyle Stanley in :issue:`39812`.) +Workers in :class:`~concurrent.futures.ProcessPoolExecutor` are now spawned on +demand, only when there are no available idle workers to reuse. This optimizes +startup overhead and reduces the amount of lost CPU time to idle workers. +(Contributed by Kyle Stanley in :issue:`39207`.) + curses ------ |