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From: Daniel Phillips <phillips@arcor.de>
To: Andrew Morton <akpm@digeo.com>
Subject: Re: 2.5.34-mm2
Date: Sun, 15 Sep 2002 06:23:51 +0200
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On Sunday 15 September 2002 06:12, Andrew Morton wrote:
> Daniel Phillips wrote:
> >  I heard you
> > mention, on the one hand, huge speedups on some load (dbench I think)
> > but your in-patch comments mention slowdown by 1.7X on kernel
> > compile.
> 
> You misread.  Relative times for running `make -j6 bzImage' with mem=512m:
> 
> Unloaded system:		                     1.0
> 2.5.34-mm4, while running 4 x `dbench 100'           1.7
> Any other kernel while running 4 x `dbench 100'      basically infinity

Oh good :-)

We can make the rescanning go away in time, with more lru lists, but
that sure looks like the low hanging fruit.

-- 
Daniel