Date: Mon, 8 Dec 2025 11:02:04 -0800 From: Mark Millard <marklmi@yahoo.com> To: Warner Losh <imp@bsdimp.com>, Konstantin Belousov <kib@freebsd.org>, Mateusz Guzik <mjguzik@gmail.com>, FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org> Cc: FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: performance regressions in 15.0 [What should be the case for 15.0-RELEASE: WITH_ASSEERT_DEBUG or WITHOUT_ASSERT_DEBUG ?] Message-ID: <6A8AD343-01E3-42B0-9086-F3C598C33DBC@yahoo.com> 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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https://cgit.freebsd.org/src/blame/share/mk/bsd.opts.mk?h=releng/15.0 shows: __DEFAULT_YES_OPTIONS = \ ASSERT_DEBUG \ . . . Looks like it has been that way going back into 2014. It suggests that care needs to have been taken to not have added any expensive asserts, likely including in contributed software, such as jemalloc updates and others? This is a difference with what I tested, by the way: WITH_MALLOC_PRODUCTION= WITHOUT_ASSERT_DEBUG= WITHOUT_PTHREADS_ASSERTIONS= WITHOUT_LLVM_ASSERTIONS= I have not tested how much of a difference it makes. For reference: WITHOUT_ASSERT_DEBUG Compile programs and libraries without the assert(3) checks. === Mark Millard marklmi at yahoo.comhome | help
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