Subject: Re: largepage success
To: Jason R Thorpe <thorpej@zembu.com>
From: Manuel Bouyer <bouyer@antioche.lip6.fr>
List: port-i386
Date: 09/12/2000 09:43:59
On Mon, Sep 11, 2000 at 11:32:33AM -0700, Jason R Thorpe wrote:
> Note, I didn't add *any* extra -j options ... just "make". The extact
> process I followed was:
>
> make depend && make clean
> reboot
> time make
> make clean
> reboot into 4MB kernel
> time make
Ok, with this test I get the same results as you. Looks like 16 procs is too
much for a PC :)
>
> > Sure, I guess for such patterns the gain can be big. Maybe also for buffer
> > cache pages ?
>
> Buffer cache pages are problematic -- pagemove().
Ok, I see.
--
Manuel Bouyer, LIP6, Universite Paris VI. Manuel.Bouyer@lip6.fr
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