Message 380153 - Python tracker

Message380153

Author	vstinner
Recipients	lukasz.langa, methane, ned.deily, rhettinger, ronaldoussoren, vstinner
Date	2020-11-01.16:37:43
SpamBayes Score	-1.0
Marked as misclassified	Yes
Message-id	<1604248664.05.0.795318923346.issue41181@roundup.psfhosted.org>
In-reply-to

Content
> Link Time Optimization (LTO) and Profile-Guided Optimization (PGO) have a major impact on Python performance: they make Python between 10% and 30% faster (coarse estimation). > > Currently, macOS installers distributed on python.org are built with Clang 6.0 without LTO or PGO. I propose to enable LTO and PGO to make these binaries faster. Oh, I forgot to mention that I discovered that macOS doesn't use LTO when I worked on the https://bugs.python.org/issue39542#msg373230 issue.

Content

> Link Time Optimization (LTO) and Profile-Guided Optimization (PGO) have a major impact on Python performance: they make Python between 10% and 30% faster (coarse estimation).
>
> Currently, macOS installers distributed on python.org are built with Clang 6.0 without LTO or PGO. I propose to enable LTO and PGO to make these binaries faster.

Oh, I forgot to mention that I discovered that macOS doesn't use LTO when I worked on the https://bugs.python.org/issue39542#msg373230 issue.

History
Date	User	Action	Args
2020-11-01 16:37:44	vstinner	set	recipients: + vstinner, rhettinger, ronaldoussoren, ned.deily, methane, lukasz.langa
2020-11-01 16:37:44	vstinner	set	messageid: <1604248664.05.0.795318923346.issue41181@roundup.psfhosted.org>
2020-11-01 16:37:44	vstinner	link	issue41181 messages
2020-11-01 16:37:43	vstinner	create