[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Autoconf distributions and xz dependency

From: Eric Blake
Subject: Re: Autoconf distributions and xz dependency
Date: Fri, 02 Mar 2012 10:27:31 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0.1) Gecko/20120216 Thunderbird/10.0.1

On 03/02/2012 10:24 AM, Jim Meyering wrote:
> Bob Friesenhahn wrote:
>> On Fri, 2 Mar 2012, Bob Friesenhahn wrote:
>>> I tried to test how much peak memory 'xz' uses to decompress the
>>> autoconf tarball but was (apparently) defeated by the strange way
>>> that 'xz' is linked. I will try again with a different tool this
>>> weekend.
>> Ok, I have now measured how much memory the 'xz' I have here requires
>> under Linux to decompress the autoconf beta tarball.  It requires
>> 67,184,168 bytes of heap memory.  This seems to match the xz
>> documentation for the -9 compression level.
> The autoconf tarball is not large enough to warrant using xz's -9 option.
> A simple xz -e (i.e., use the default of -6) should be fine.

What's the magic to add to to get that change in default?  I just
used gnulib's 'make beta' to make the 2.68b tarball, so if the
defaults are wrong in, maybe we should be fixing things
upstream from autoconf.

Eric Blake   address@hidden    +1-919-301-3266
Libvirt virtualization library

Attachment: signature.asc
Description: OpenPGP digital signature

reply via email to

[Prev in Thread] Current Thread [Next in Thread]