[Bug 1999551] Re: glibc: backport AArch64 memcmp improvements

[Simon Chopin]

** Changed in: glibc (Ubuntu)
       Status: In Progress => Fix Released

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Title:
  glibc: backport AArch64 memcmp improvements

Status in glibc package in Ubuntu:
  Fix Released
Status in glibc source package in Focal:
  In Progress
Status in glibc source package in Jammy:
  In Progress

Bug description:
  [impact]

  glibc 2.37 contains a number of improvements to the memcmp routines
  for server-grade AArch64 implementations (in particular, graviton3).
  They should be backported to jammy and focal, as the LTS releases are
  by far the most used on servers.

  [test case]

  TODO

  [Regression potential]

  This could potentially impact performance on other, non-server-grade
  arm64 platforms such as RPi. We'll need to run tests against such
  machines to check impact.

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