Forwarding here as suggested.

-------- Forwarded Message --------
Subject:        Re: [Python-ideas] Add processor generation to wheel metadata
Date:   Mon, 30 Oct 2017 23:02:08 -0700
From:   Nathaniel Smith <n...@pobox.com>
To:     Ivan Pozdeev <v...@mail.mipt.ru>
CC:     python-id...@python.org <python-id...@python.org>



On Mon, Oct 30, 2017 at 5:45 AM, Ivan Pozdeev via Python-ideas
<python-id...@python.org> wrote:
Generally, packages are compiled for the same processor generation as the
corresponding Python.
But not always -- e.g. NumPy opted for SSE2 even for Py2 to work around some
compiler bug
(https://github.com/numpy/numpy/issues/6428).
I was bitten by that at an old machine once and found out that there is no
way for `pip' to have checked for that.
Besides, performance-oriented packages like the one mentioned could probably
benefit from newer instructions.

You should probably resend this to distutils-sig instead of
python-ideas -- that's where discussions about python packaging
happen. (Python-ideas is more for discussions about the language
itself.)

-n

--
Nathaniel J. Smith -- https://vorpus.org

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