GNU bug report logs - #67022
Gzip decompression can be 60% faster using zlib's CRC32

Previous Next

Package: gzip;

Reported by: Young Mo Kang <kym327 <at> gmail.com>

Date: Thu, 9 Nov 2023 17:42:01 UTC

Severity: normal

Done: Paul Eggert <eggert <at> cs.ucla.edu>

Bug is archived. No further changes may be made.

Full log

Message #43 received at 67022-done <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Young Mo Kang <kym327 <at> gmail.com>
Cc: 67022-done <at> debbugs.gnu.org
Subject: Re: bug#67022: Gzip decompression can be 60% faster using zlib's CRC32
Date: Mon, 10 Feb 2025 23:46:40 -0800

On 2023-11-09 10:32, Paul Eggert wrote:
> On 2023-11-09 09:40, Young Mo Kang wrote:
>> Since both GNU Gzip and zlib are written by the same authors, I was 
>> wondering if GNU Gzip can share zlib's CRC32 calculation and obtain 
>> this performance gain--I am not sure if there would be a license issue 
>> though.
> 
> Shouldn't be a license issue. It's just a lack of time issue.

Due to work by Sam Russell and others it looks like gzip now has faster 
CRC32 code on Savannah master, so closing this old bug report. See:

https://bugs.gnu.org/74927
https://bugs.gnu.org/74192
This bug report was last modified 101 days ago.

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.