On Thu, 5 Jan 2023 at 17:47, Demi Marie Obenour <demiobenour@xxxxxxxxx> wrote: > > On 1/5/23 11:08, Frank Ch. Eigler wrote: > > > >> Of course, but the benefit is to fix performance bugs in applications > >> or maybe the desktop itself. [...] > > > >>> Let's be firm in testing this empirically rather than aspirationally. > >> I really don't know how. Suggestions welcome. > > > > I'd put the onus on the proponents of the Change, who made predictions > > like "I'm confident that over the course of the next year, we'll recover > > performance that was lost by FORTIFY_SOURCE=3 and frame pointers" and > > "The optimizations enabled by profiling can be much larger than 3-10%." > > As the one who made this statement: Profiling can result in very large > gains. I cannot predict what the actual gains will be. But they should be measurable, right? If profiling can't actually measure performance and track improvements in performance, the change isn't useful. So it should be possible to show the benefits over the next release or two. Aside: could the change proposal please be updated to show *how* to opt out, not just state it can be done trivially? I shouldn't have to find https://src.fedoraproject.org/rpms/redhat-rpm-config/pull-request/231#request_diff to know whether the right opt-out is to %undefine the new macro, or to define it to 0, or something else. > > > There needs to be substance behind such predictions if they are going > > to be used as justification for slowing things down in the mean time. > > I agree. > -- > Sincerely, > Demi Marie Obenour (she/her/hers) > _______________________________________________ > 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, report it: https://pagure.io/fedora-infrastructure/new_issue _______________________________________________ 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, report it: https://pagure.io/fedora-infrastructure/new_issue
