Date: Tue, 9 Dec 2025 17:22:55 +0200 From: Rozhuk Ivan <rozhuk.im@gmail.com> To: Mark Millard <marklmi@yahoo.com> Cc: Mateusz Guzik <mjguzik@gmail.com>, Warner Losh <imp@bsdimp.com>, FreeBSD Current <freebsd-current@freebsd.org>, FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org>, Konstantin Belousov <kib@freebsd.org> Subject: Re: performance regressions in 15.0 [The Microsoft Dev Kit 2023 buildworld took about 6 minutes less time for jemalloc 5.3.0, not more, for non-debug contexts] Message-ID: <20251209172255.6d1a7f4c@rimwks.local> In-Reply-To: <33F5F7DE-8DFA-47E2-A890-E07564825D05@yahoo.com> References: <EF95C136-B1D2-4820-A069-D0078A3B5A05@yahoo.com> <18FB2858-5CBB-4B7A-8089-224A58C6A160@yahoo.com> <CANCZdfqfXfzGQRN5TR7KFcNE1-Ng4ECFKD_6V0118b2UwwX09Q@mail.gmail.com> <19A848A6-0042-4873-B70D-AD6805225B92@yahoo.com> <902C948B-0A4C-48E1-8C6C-1BC7A15209D7@yahoo.com> <CAGudoHGQUc6QT9ApyQxh4WE2Q9ZBh4-SxAhCcCYE9k_UobovhQ@mail.gmail.com> <33F5F7DE-8DFA-47E2-A890-E07564825D05@yahoo.com>
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On Mon, 8 Dec 2025 09:23:52 -0800 Mark Millard <marklmi@yahoo.com> wrote: > But, as of yet, I've no good evidence for blaming > jemalloc as a major contributor to those timing > ratios --or for blaming any other specific part > of 15.0 . If you want to bench jmalloc - there is another ways to do that without building something. Try to find some sythetic benchmarks. Also jmalloc can be build without OS rebuild and linked with bench. This 2 things can reduce time to tests, but it will eliminate OS integation factors. Run same bench on different OS may give more info.home | help
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