Re: Bumping CPU baseline to x86-64-v2
Charles R Harris via NumPy-Discussion <[email protected]>
| Newsgroups | gmane.comp.python.numeric.general |
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| Message-ID | <CAB6mnx+gdDq_gziSYxcug=8gBD_X0ohnMPbY6XAmXLhhhiBBPw@mail.gmail.com> |
On Fri, May 16, 2025 at 4:23 AM Sayed Adel <[email protected]> wrote: > Hi All, > > I wanted to bring your attention to an important change to NumPy that will > affect CPU compatibility requirements on x86. > > PR #28896 (https://github.com/numpy/numpy/pull/28896) is reorganizing how > NumPy handles x86 CPU features by moving from individual instruction set > extensions to standardized microarchitecture levels. As part of this > change, > > *the minimum CPU requirement for x86 systems will be raised to x86-64-v2*If > your x86 CPU was manufactured in 2009 or later, you likely won't be > affected, unless you're using Intel Atom CPUs released before 2013. > We're making this change in 2025, when CPUs that don't support x86-64-v2 > are now over 15 years old. Supporting these antiquated processors increases > maintenance burden and binary size. > Bumping the default baseline can also increase the performance since not > all code paths are dispatched. > -- > Cheers, > Sayed > > Sounds good to me. Chuck _______________________________________________ NumPy-Discussion mailing list -- [email protected] To unsubscribe send an email to [email protected] https://mail.python.org/mailman3/lists/numpy-discussion.python.org/ Member address: [email protected]