On Sat, Feb 22, 2003 at 07:24:24PM -0800, Andrew Morton wrote:
> 2.4.21-pre4: 8.10 seconds
> 2.5.62-mm3 with objrmap: 9.95 seconds (+1.85)
> 2.5.62-mm3 without objrmap: 10.86 seconds (+0.91)
>
> Current 2.5 is 2.76 seconds slower, and this patch reclaims 0.91 of those
> seconds.
>
>
> So whole stole the remaining 1.85 seconds? Looks like pte_highmem.
would you mind to add the line for 2.4.21-pre4aa3? it has pte-highmem so
you can easily find it out for sure if it is pte_highmem that stole >10%
of your fast cpu. A line for the 2.4-rmap patch would be also
interesting.
> Note one second spent in pte_alloc_one().
note the seconds spent in the rmap affected paths too.
Andrea
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This archive was generated by hypermail 2b29 : Fri Feb 28 2003 - 22:00:29 EST