> There's a relatively large (12s/44s == 27%) difference between absolute
> timings on our machines, which suggests a large disturbance in the force.
> 2.5.63-bk5 virgin appears to get timings in the low 40's.
Did you actually read the previous email?
Same config file? Same tree? same compiler (gcc 2.95.4?)
>> Would be useful if you can grab a before and after profile, and see exactly
>> what it is that's getting thrashed that you're fixing (may just be everything).
>
>> From the profile posted it's the division in page_zone().
I think we're talking about different things:
1. Need to isolate what's causing the 6s improvement you're seeing.
Can you generate profiles & time output for before and after the patch,
and describe the test you're running (presumably make -j).
2. SDET degredation. I'll try the additional patch you sent out on that.
M.
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This archive was generated by hypermail 2b29 : Fri Mar 07 2003 - 22:00:19 EST