Daniel Barcay added the comment:
Just got the drop of the python3.7 release. I can confirm that this is fixed in
python3.7 in my workload.
Nice job! Thanks for changing the mechanism of thread-sync. I'm grateful.
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resolution: -> fixed
stage: -> resolved
status: ope
Daniel Barcay added the comment:
adding experts bquinlan and pitrou for concurrent.futures to nosy-list as per
bug tracker directions.
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nosy: +bquinlan, pitrou
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Python tracker
<https://bugs.python.org/issue33
Daniel Barcay added the comment:
Line number was incorrect due to local edits.
Correct line number is process.py:L464 "self._result_queue.put(None)"
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Python tracker
<https://bugs.python.o
New submission from Daniel Barcay :
I have tracked down the exact cause of a sizable performance issue in using
concurrent.futures.ProcessPoolExecutors, especially visible in cases where
large amounts of data are being copied across the result.
The line-number causing the bad behavior, and
