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From: Steven Cole <elenstev@mesatop.com>
Reply-To: elenstev@mesatop.com
To: Mike Galbraith <mikeg@wen-online.de>
Subject: Re: UP 2.2.18 makes kernels 3% faster than UP 2.4.0-test12
Date: Mon, 11 Dec 2000 22:17:36 -0700
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On Mon, 11 Dec 2000, Mike Galbraith wrote:
> On Mon, 11 Dec 2000, Steven Cole wrote:
> > I have a SMP (dual P-III 733Mhz) machine at work, but it will be
> > unavailable for testing for a few more days.  I suspect that 2.4.0-test12
> > will do better than 2.2.18 with 2 CPUs.  I'll know in a few days.
[snip]
>
> I think it's better with -j.  Do it with -jN where N is small enough
> to keep the box away from swap, and then repeat with N large enough to
> swap modestly (not too heavily or you're only testing disk MTBF:).

I've always used make -j2 bzImage for my two processor machine. 
I like being able to build kernels in a little over two minutes. 

Simple question here, and risking displaying great ignorance:
Does it make sense to use make -jN where N is much greater than the 
number of CPUs?  

Steven
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