Messages in this thread | | | Date | Sat, 15 Apr 2006 12:10:39 -0700 | From | "Martin J. Bligh" <> | Subject | Clear performance regression on reaim7 in 2.6.15-git6 |
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OK, looking back through the perf results, these two graphs clearly show a perf regression in reaim7 from 2.6.15 to 2.6.16-rc1. We're loosing over 50% of the performance.
http://test.kernel.org/abat/perf/reaim.moe.png http://test.kernel.org/abat/perf/reaim.elm3b67.png
Drilling down (there's not enough detail on the graphs for releases that far back), I see it's actually between -git5 and -git6
These are both ia-32 NUMA machines, one is an x440, the other is NUMA-Q.
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