Re: [BENCHMARK] 2.5.70-mm2 with contest

Nick Piggin (piggin@cyberone.com.au)
Tue, 03 Jun 2003 10:30:31 +1000


Andrew Morton wrote:

>Con Kolivas <kernel@kolivas.org> wrote:
>
>>io_load:
>>Kernel [runs] Time CPU% Loads LCPU% Ratio
>>2.5.69 4 343 22.7 120.5 19.8 4.29
>>2.5.69-mm3 4 319 24.5 105.3 18.1 4.04
>>2.5.69-mm5 4 137 56.9 49.6 19.0 1.73
>>2.5.69-mm6 4 150 52.0 53.4 18.7 1.92
>>2.5.70 5 326 21.5 112.9 18.7 4.13
>>2.5.70-mm2 4 115 67.0 42.0 19.1 1.47
>>large drop in time with one large file write
>>
>
>We're hitting nearly 90% CPU here. That is really excellent.
>
Yes, the contest results have held up nicely after those big
changes to AS which is good.

It will be interesting to see what happens if we set the
ext3 journal write paths as PF_SYNCWRITE. I'll try some tests
a bit later today.

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