Re: [gentoo-user] Re: Howto speed up compilations

[Nick Rout <nick@rout.co.nz>]

On Mon, 18 Jul 2005 19:26:38 +0200
Francesco Talamona wrote:

> On Monday 18 July 2005 19:07, John J. Foster wrote:
> > Good afternoon all,
> >
> > A few weeks ago I read in one of the newgroups a way to greatly
> > decrease compilation times. The author noted that this was
> > particularly noticable when working with something like OO. The
> > general jist of it was to create temporary file system in memory and
> > mount your portage tmpdir there. For the life of me, I can't find
> > that thread anymore. Does anyone do something similar to this? Are
> > there noticable gains to be had. I have an Athlon 2800XP and 1 GB
> > ram.
> 
> IIRC OO takes more than 3GB of space to compile. Gcc itself is quite RAM 
> demanding...
> 
> I tkink it is feasible for smaller programs.

yeah and smaller programs take a negligible time in most cases.

anyone who has tested this, did you have ccache turned off? if it is on
it will skew results to hell, as a lot of the object files will be
cached.


> 
> Ciao
> 	Francesco
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> Linux Version 2.6.11-gentoo-r11, Compiled #1 Thu Jun 23 05:26:18 
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> aemaeth
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-- 
Nick Rout

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