Subject: Re: largepage success
To: Manuel Bouyer <bouyer@antioche.lip6.fr>
From: Jason R Thorpe <thorpej@zembu.com>
List: port-i386
Date: 09/11/2000 11:32:33
On Mon, Sep 11, 2000 at 08:25:27PM +0200, Manuel Bouyer wrote:
> Well, I just tried to reproduce the you got. But now that I'm thinking about
> it, I was using 'make -j16', and with 16 proc running maybe we run out of
> TBL entries on i386 anyway ?
> I'll try again with -j2
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
> Sure, I guess for such patterns the gain can be big. Maybe also for buffer
> cache pages ?
Buffer cache pages are problematic -- pagemove().
--
-- Jason R. Thorpe <thorpej@zembu.com>