Messages in this thread | | | Date | Thu, 05 Jun 2003 15:00:22 +1000 | From | Nick Piggin <> | Subject | Re: [BENCHMARK] AIM7 fserver regressed in 2.5.70* |
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rwhron@earthlink.net wrote:
>Summary: >AIM7 fileserver workload behaviour changed with 2.5.70. >At low task counts (load average), 2.5.70* takes 40% >longer than 2.5.69. As task count increases, regression >disappears. > >Hardware has (4) 700 mhz P3 Xeons. >3.75 GB RAM >RAID 0 LUN (hardware raid) > >Background: >AIM7 fserver is the only regressed workload. In general, >2.5.70* has better numbers than 2.5.69* for a variety of >benchmarks. > > [snip]
>AIM7 fserver workload >kernel Tasks Jobs/Min Real CPU >2.5.69 4 120.9 200.5 32.8 >2.5.69-bk1 4 122.3 198.2 33.8 >2.5.69-mm3 4 122.3 198.3 37.9 >2.5.69-mm5 4 124.0 195.5 38.0 > ^^^^^^ I think this was the last kernel Joel tested before a similar magnitude dropoff in WimMark performance.
> >2.5.70 4 79.0 306.9 34.2 >2.5.70-mjb1 4 83.4 290.8 33.6 >2.5.70-mm3 4 71.7 338.0 34.9 >2.5.70-mm4 4 73.9 328.0 33.9 > >
I don't know what sort of disk IO fserver does, but it could be the same problem.
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