Author serhiy.storchaka
Recipients davin, dtasev, sbt, serhiy.storchaka
Date 2017-07-13.15:23:34
SpamBayes Score -1.0
Marked as misclassified Yes
Message-id <1499959414.68.0.575290170362.issue30919@psf.upfronthosting.co.za>
In-reply-to
Content
This is because instantiating new Arena is much slower in Python 3.

./python -m timeit -r1 -s 'from multiprocessing.heap import Arena' 'Arena(2**26)'

Python 3.7: 1 loop, best of 1: 1.18 sec per loop
Python 2.7: 100000 loops, best of 1: 9.19 usec per loop

May be the regression was introduced by issue8713.
History
Date User Action Args
2017-07-13 15:23:34serhiy.storchakasetrecipients: + serhiy.storchaka, sbt, davin, dtasev
2017-07-13 15:23:34serhiy.storchakasetmessageid: <1499959414.68.0.575290170362.issue30919@psf.upfronthosting.co.za>
2017-07-13 15:23:34serhiy.storchakalinkissue30919 messages
2017-07-13 15:23:34serhiy.storchakacreate