Re: larger default page sizes...

From: Andi Kleen <andi_at_firstfloor.org>
Date: 2008-03-25 23:05:53
Paul Mackerras <paulus@samba.org> writes:
> 
> 4kB pages:	444.051s user + 34.406s system time
> 64kB pages:	419.963s user + 16.869s system time
> 
> That's nearly 10% faster with 64kB pages -- on a kernel compile.

Do you have some idea where the improvement mainly comes from?
Is it TLB misses or reduced in kernel overhead? Ok I assume both
play together but which part of the equation is more important?

-Andi
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Received on Tue Mar 25 23:20:40 2008

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