Re: larger default page sizes...
From: Andi Kleen
Date: Tue Mar 25 2008 - 08:06:13 EST
Paul Mackerras <paulus@xxxxxxxxx> 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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/