From: Steven Cole <elenstev@mesatop.com>
To: Mike Galbraith <mikeg@wen-online.de>
Cc: linux-kernel@vger.kernel.org
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 [thread overview]
Message-ID: <00121122173600.03488@localhost.localdomain> (raw)
In-Reply-To: <Pine.Linu.4.10.10012120529110.970-100000@mikeg.weiden.de>
In-Reply-To: <Pine.Linu.4.10.10012120529110.970-100000@mikeg.weiden.de>
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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next prev parent reply other threads:[~2000-12-12 5:47 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-12-10 15:31 UP 2.2.18 makes kernels 3% faster than UP 2.4.0-test12 Steven Cole
2000-12-10 19:52 ` Aaron Tiensivu
2000-12-11 23:02 ` Steven Cole
2000-12-12 4:40 ` Mike Galbraith
2000-12-12 5:17 ` Steven Cole [this message]
2000-12-12 5:20 ` Mike Galbraith
2000-12-12 11:01 ` Helge Hafting
2000-12-12 10:27 ` Rik van Riel
2000-12-12 14:15 ` Mike Galbraith
-- strict thread matches above, loose matches on Subject: below --
2000-12-10 20:36 Steven Cole
2000-12-11 18:16 ` John Fremlin
2000-12-11 18:38 ` Rik van Riel
2000-12-11 18:46 ` Alan Cox
2000-12-11 19:50 ` Zdenek Kabelac
2000-12-11 20:15 ` Arjan van de Ven
2000-12-11 20:23 ` Rik van Riel
2000-12-11 22:03 ` Gerhard Mack
2000-12-11 22:06 ` Alan Cox
2000-12-13 9:44 ` Rogier Wolff
2000-12-14 13:08 ` Russell King
2000-12-16 0:40 ` george anzinger
2000-12-12 14:49 ` Steven Cole
2000-12-12 18:18 ` Steven Cole
2000-12-12 18:40 ` Linus Torvalds
2000-12-12 20:19 ` Steven Cole
2000-12-12 20:38 ` Linus Torvalds
2000-12-12 22:09 ` Steven Cole
2000-12-11 22:12 ` Gabor Lenart
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