Messages in this thread | | | From | Con Kolivas <> | Subject | Re: [BENCHMARK] 2.4.{18,19{-ck9},20rc1{-aa1}} with contest | Date | Sat, 9 Nov 2002 14:26:52 +1100 |
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>Con Kolivas wrote: >> io_load: >> Kernel [runs] Time CPU% Loads LCPU% Ratio >> 2.4.18 [3] 474.1 15 36 10 6.64 >> 2.4.19 [3] 492.6 14 38 10 6.90 >> 2.4.19-ck9 [2] 140.6 49 5 5 1.97 >> 2.4.20-rc1 [2] 1142.2 6 90 10 16.00 >> 2.4.20-rc1aa1 [1] 1132.5 6 90 10 15.86 > >2.4.20-pre3 included some elevator changes. I assume they are the >cause of this. Those changes have propagated into Alan's and Andrea's >kernels. Hence they have significantly impacted the responsiveness >of all mainstream 2.4 kernels under heavy writes. > >(The -ck patch includes rmap14b which includes the read-latency2 thing)
Thanks for the explanation. I should have said this was ck with compressed caching; not rmap.
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