[Bug 1717382] Re: [Bug] Glibc: performance improvement patches

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: glibc (Ubuntu Zesty)
       Status: New => Confirmed

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Title:
  [Bug] Glibc: performance improvement patches

Status in GLibC:
  Fix Released
Status in intel:
  New
Status in glibc package in Ubuntu:
  Fix Released
Status in glibc source package in Xenial:
  Confirmed
Status in glibc source package in Zesty:
  Confirmed
Status in glibc source package in Artful:
  Fix Released

Bug description:
  Description:

  Intel’s new request – for performance related patches that need to be
  picked up as part of one the Ubuntu 16.04 LTS family releases and
  Ubuntu 17.10:

  Glibc 2.23 needs the first 2 patches on hjl/pr21258/2.23 branch:
  https://sourceware.org/git/gitweb.cgi?p=glibc.git;a=shortlog;h=refs/heads/hjl/pr21258/2.23
  Patches: Address transition penalty when SSE instructions are mixed with 256-bit AVX or 512-bit AVX512 load instructions.

  Target Release: TBD

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