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Author vstinner
Recipients methane, python-dev, rhettinger, serhiy.storchaka, vstinner, yselivanov
Date 2017-02-10.09:20:04
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> performance benefit is small.

Are you using PGO+LTO compilation? Without PGO, the noise of code placement can be too high. In your "perf stat" comparisons, I see that "insn per cycle" is lower with the patch, which sounds like a code placement issue like a performance issue with the patch.
Date User Action Args
2017-02-10 09:20:04vstinnersetrecipients: + vstinner, rhettinger, methane, python-dev, serhiy.storchaka, yselivanov
2017-02-10 09:20:04vstinnersetmessageid: <>
2017-02-10 09:20:04vstinnerlinkissue29507 messages
2017-02-10 09:20:04vstinnercreate