This bug was fixed in the package glibc - 2.31-0ubuntu9.12
--------------- glibc (2.31-0ubuntu9.12) focal; urgency=medium
* Drop SVE memcpy implementation due to kernel-related performance regression
glibc (2.31-0ubuntu9.11) focal; urgency=medium
* Drop memcmp arm64 SIMD optimization patch due to performance regression on Raspberry Pi 3+ and 4
glibc (2.31-0ubuntu9.10) focal; urgency=medium
[ Andrei Gherzan ] * d/p/lp1910312: Backport upstream fix for SEM_STAT_ANY (LP: #1910312)
[ Simon Chopin ] * d/p/lp1999551/*: backport mem{cmp,cpy} optimizations for arm64 (LP: #1999551) * d/p/lp2001932/*: fix segfault in AVX2 strncmp (LP: #2001932) * d/p/lp2001975/*: fix overflow in AVX2 wcsncmp (LP: #2001975)
-- Simon Chopin <email address hidden> Wed, 26 Jul 2023 09:44:39 +0200
This bug was fixed in the package glibc - 2.31-0ubuntu9.12
---------------
glibc (2.31-0ubuntu9.12) focal; urgency=medium
* Drop SVE memcpy implementation due to kernel-related performance
regression
glibc (2.31-0ubuntu9.11) focal; urgency=medium
* Drop memcmp arm64 SIMD optimization patch due to performance regression
on Raspberry Pi 3+ and 4
glibc (2.31-0ubuntu9.10) focal; urgency=medium
[ Andrei Gherzan ]
* d/p/lp1910312: Backport upstream fix for SEM_STAT_ANY (LP: #1910312)
[ Simon Chopin ]
* d/p/lp1999551/*: backport mem{cmp,cpy} optimizations for arm64 (LP: #1999551)
* d/p/lp2001932/*: fix segfault in AVX2 strncmp (LP: #2001932)
* d/p/lp2001975/*: fix overflow in AVX2 wcsncmp (LP: #2001975)
-- Simon Chopin <email address hidden> Wed, 26 Jul 2023 09:44:39 +0200