Date: Mon, 08 Dec 2025 13:00:25 +0000 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: Mateusz Guzik <mjguzik@gmail.com> Cc: Mark Millard <marklmi@yahoo.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: <202512081300.5B8D0PGO064483@critter.freebsd.dk> In-Reply-To: <CAGudoHGQUc6QT9ApyQxh4WE2Q9ZBh4-SxAhCcCYE9k_UobovhQ@mail.gmail.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>
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-------- Mateusz Guzik writes: > First, you can't just run it once -- the result needs to be proven > repeatable and profiled. […] <Cough> https://wiki.freebsd.org/BenchmarkAdvice </Cough> -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.help
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