Messages in this thread | | | Date | Tue, 24 Jan 2006 12:25:46 +1100 | From | Peter Williams <> | Subject | Re: -mm seems significanty slower than mainline on kernbench |
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Martin Bligh wrote: > >> Thanks and looks like the results are in from 2.6.14-rc2-mm1 with the >> patch backed out. >> >> Drumroll.... >> >> http://test.kernel.org/perf/kernbench.moe.png >> >> The performance goes back to a range similar to 2.6.14-rc1-mm1 (see >> 2.6.14-rc2-mm1 + 20328 in blue). Unfortunately this does implicate >> this patch. Can we put it back into -mm only and allow Peter's >> tweaks/fixes to go on top and have it tested some more before going >> upstream? > > > Hmm. Looks like we didn't get this as fixed up as I thought. Moe seems > to be fixed (16x NUMA-Q), but elm3b132 is not (it's 4x, flat SMP ia32). > Look at the latest graphs .... > > Is it possible it only got fixed for NUMA boxes?
It should be totally independent.
But anyhow, I can't see the problem. The only numbers that I can see for 2.6.16-rc1-mm[1|2] (which are the ones with the latest fix) on this graph are approx. 101 which is much the same as the best of the rest. Or have I missed something?
Peter -- Peter Williams pwil3058@bigpond.net.au
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