[Bug 1932010] Re: [21.10 FEAT] zlib CRC32 optimization for s390x

[Simon Chopin]

Indeed, nice catch! The _32 and _64 variants weren't used anymore,
either.

Updated debdiff attached, and a ~ppa2 version has been uploaded to my
PPA.


** Patch added: "zlib.debdiff"
   https://bugs.launchpad.net/ubuntu/+source/zlib/+bug/1932010/+attachment/5517264/+files/zlib.debdiff

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Title:
  [21.10 FEAT] zlib CRC32 optimization for s390x

Status in Ubuntu on IBM z Systems:
  In Progress
Status in zlib package in Ubuntu:
  In Progress

Bug description:
  Use SIMD instructions to accelerate the zlib CRC32 implementation.
  Business value: Performance improvement in database area

  The zlib CRC32 optimization for IBM Z is currently being discussed for inclusion into zlib-ng:
  https://github.com/zlib-ng/zlib-ng/pull/912

  The patch for zlib will be based on that.

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