On Tue, Jul 05, 2022 at 03:47:26PM -0400, Matthias Clasen wrote: > On Tue, Jul 5, 2022 at 3:40 PM Marek Polacek <polacek@xxxxxxxxxx> wrote: > > > > > Maybe not, but even ~1% is still an unacceptable slowdown. It would take > > about a year for the compiler to catch up. > > > > > (Un)acceptable for whom? GCC maintainers in Fedora, at least. > And why would it be unacceptable? Because it's too much. > You just said compilers will make up for it quickly, not to mention > hardware continuously getting faster too... Dozens of developers working a whole release (if not more) is not quick. > I haven't seen any convincing arguments as to why such a small > drop would be the end of the world. And likewise, I haven't seen how this proposal would be helpful to the majority of users, nevermind that it'd likely break programs using inline assembly that use %rbp. But others have already raised similar points in this thread. > And I don't think Fedora is or should be used in high-speed trading or > similar > environments where every microsecond matters. I think you may be underestimating how much even 1% matters. Marek _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/devel@xxxxxxxxxxxxxxxxxxxxxxx Do not reply to spam on the list, report it: https://pagure.io/fedora-infrastructure
