On May 10, 2014, at 5:46 PM, Victor Stinner <victor.stinner at gmail.com> wrote: > Le 10 mai 2014 22:51, "Gregory Szorc" <gregory.szorc at gmail.com> a écrit : > > Furthermore, Python 3 appears to be >50% slower than Python 2. > > Please mention the minor version. It looks like you compared 2.7 and 3.3. Please test 3.4, we made interesting progress on the startup time. > > There is still something to do, especially on OS X. Depending on the OS, different modules are loaded and some functions are implemented differently. > For what it's worth pip is the same way, about half of our test suite involves invoking (multiple) python processes. This has historically be really slow (~30 minutes to run ~200 tests of that type). We've been able to get the wall clock run time down by parallelizing these but the sequential time is still really slow. ----------------- Donald Stufft PGP: 0x6E3CBCE93372DCFA // 7C6B 7C5D 5E2B 6356 A926 F04F 6E3C BCE9 3372 DCFA -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mail.python.org/pipermail/python-dev/attachments/20140510/be55f763/attachment.html> -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 801 bytes Desc: Message signed with OpenPGP using GPGMail URL: <http://mail.python.org/pipermail/python-dev/attachments/20140510/be55f763/attachment.sig>
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