[Bug 1932010] patch
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1932010 at bugs.launchpad.net
Tue Aug 10 21:49:35 UTC 2021
------- Comment on attachment From iii at de.ibm.com 2021-08-10 17:47 EDT-------
Argh, I haven't noticed this ticket and made a backport on my own a week ago. I'm attaching my patch here just for reference and will give yours a try tomorrow.
** Attachment added: "patch"
https://bugs.launchpad.net/bugs/1932010/+attachment/5517176/+files/0001-s390x-vectorize-crc32.patch
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https://bugs.launchpad.net/bugs/1932010
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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