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Date: Wed, 21 Mar 2001 07:41:55 +0100 (CET)
From: Mike Galbraith <mikeg@wen-online.de>
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To: linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: Linux 2.4.2 fails to merge mmap areas, 700% slowdown.
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On 20 Mar 2001, Kevin Buhr wrote:

> Linus Torvalds <torvalds@transmeta.com> writes:
> >
> > Cool. Somebody actually found a real case.
> >
> > I'll fix the mmap case asap. Its' not hard, I just waited to see if it
> > ever actually triggers. Something like g++ certainly counts as major.
>
> I frequently build Mozilla from scratch on my (aging) dual Celeron
> machine.  That's about 65 megs of actual C++ source, and it takes
> about an hour of real time to compile.  I see times for the whole
> build like this:
>
>     real    60m4.574s
>     user    101m18.260s  <-- impossible no?
>     sys     3m23.520s

Why do numbers like this show up?  I noticed some of this after having
enabled SMP on my UP box.

	-Mike

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