linux-kernel - Re: Suggestions request for speed-up kernel compilation

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Date:	Fri, 24 Apr 2009 12:59:13 +0100
From:	Richard Kennedy <richard@....demon.co.uk>
To:	Alessio Igor Bogani <abogani@...ware.it>
CC:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: Suggestions request for speed-up kernel compilation

Alessio Igor Bogani wrote:
> Hi All,
> 
> Sorry for my bad English.
> 
> I'm a kernel newbie and I would be very happy to receive some tips
> about kernel compilation from experienced developers.
> 
> I have recently elaborated some trivial patches. For each one I have
> done a build test at minimum and I find myself spend a lot of time
> waiting my Core Duo to accomplish this task. Make is a very smart tool
> but after a git pull or a git fetch origin/git reset --hard origin it
> can't help as desired.
> 
> Unfortunately I don't have a clustered compilation farm under my control. :-)
> 
> Anyone can suggest me how mitigate that issue?
> 
> Tips, RTFM, links will be appreciated as long as referred to real used
> technique.
> 
> Thanks in advance and sorry for stupid question.
> 
> Ciao,
> Alessio

check you're using enough make jobs for your processor & memory.
On my AMDX2 I find 'make -j 8' is quickest for a full rebuild.
regards
Richard
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