Here's a debdiff containing a backported version of the feature. There is also a small refactoring as it allowed me to easily integrate the new feature in the build process.
** Changed in: zlib (Ubuntu) Assignee: Canonical Foundations Team (canonical-foundations) => Simon Chopin (schopin) ** Changed in: zlib (Ubuntu) Status: New => In Progress ** Patch added: "zlib.debdiff" https://bugs.launchpad.net/ubuntu/+source/zlib/+bug/1932010/+attachment/5517082/+files/zlib.debdiff ** Information type changed from Private to Public -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to zlib in Ubuntu. https://bugs.launchpad.net/bugs/1932010 Title: [21.10 FEAT] zlib CRC32 optimization for s390x Status in Ubuntu on IBM z Systems: Triaged 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. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1932010/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp