Groups > linux.debian.bugs.dist > #978768

Bug#942144: Enable multithreading on xz compression

From	Stefan Kühn <familiekuehn@arcor.de>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#942144: Enable multithreading on xz compression
Date	2019-10-10 22:10 +0200
Message-ID	<yPMV3-Gn-1@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

Cross-posted to 2 groups.

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Package: initramfs-tools-core
Version: 0.135
Severity: wishlist

Dear Maintainer,

maybe you can enable multithreading these days when the initrd is
compressed with xz. Multi cores are widespread and I use it for quite
some time. Also I use weaker compression level making it faster (and
using less memory) without affecting the size too much.

I just changed line 155 from

[ "${compress}" = xz ] && compress="xz --check=crc32"

to this one

[ "${compress}" = xz ] && compress="xz -1 --threads=0 --check=crc32"


Best regards
Stefan Kühn

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Bug#942144: Enable multithreading on xz compression Stefan Kühn <familiekuehn@arcor.de> - 2019-10-10 22:10 +0200

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