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From: Markus Trippelsdorf <markus@trippelsdorf.de>
To: Joseph Myers <joseph@codesourcery.com>
Cc: Matthias Klose <doko@ubuntu.com>, GCC Patches <gcc-patches@gcc.gnu.org>
Subject: Re: [patch] build xz (instead of bz2) compressed tarballs and diffs
Date: Mon, 15 May 2017 14:15:00 -0000	[thread overview]
Message-ID: <20170515141344.GB27845@x4> (raw)
In-Reply-To: <alpine.DEB.2.20.1705151359310.31959@digraph.polyomino.org.uk>

On 2017.05.15 at 14:02 +0000, Joseph Myers wrote:
> The xz manpage warns against blindly using -9 (for which --best is a 
> deprecated alias) because of the implications for memory requirements for 
> decompressing.  If there's a reason it's considered appropriate here, I 
> think it needs an explanatory comment.

I think it is unacceptable, because it would increase memory usage when
decompressing over 20x compared to bz2 (and over 100x while compressing).

The default -6 should be good enough (3x more memory when decompressing).

-- 
Markus

  reply	other threads:[~2017-05-15 14:13 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-15  1:35 Matthias Klose
2017-05-15 14:11 ` Joseph Myers
2017-05-15 14:15   ` Markus Trippelsdorf [this message]
2017-05-15 18:38     ` Jakub Jelinek
2017-05-15 19:13       ` Markus Trippelsdorf
2017-05-23 23:22         ` Matthias Klose
2017-05-18 10:41 ` Richard Biener
2017-05-23 23:56   ` Matthias Klose
2017-05-24  7:23     ` Richard Biener
2017-05-24 19:21     ` Gerald Pfeifer

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