[Bug libc/34394] Regression in cpu2006 403.gcc after removal of dynamic mmap/trim threshold

"adhemerval.zanella at linaro dot org via Glibc-bugs" <[email protected]> Wed, 15 Jul 2026 18:05:57 +0000

Newsgroups	gmane.comp.lib.glibc.bugs
Message-ID	<[email protected]/bugzilla/>

https://sourceware.org/bugzilla/show_bug.cgi?id=3D34394

--- Comment #1 from Adhemerval Zanella <adhemerval.zanella at linaro dot or=
g> ---
I can confirm the regresion on x86_64 as well. I also see a slight regressi=
on
on 450.soplex (2.5%, but it might just noise/os jitter).  I also run the
mmap_thresold=3D4194304 with other malloc-intensive workloads (471, 483, 40=
0,
447, 403, 450) and I saw no regressions.

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