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> The patch is against 2.4.19-pre2. The patch significantly lowers BKL contention (50%) on a 2-way PII-300 running dbench 4. Dbench throughput is not significantly affected, but that is probably a function of my puny little machine more than the effectiveness of the patch. I'll have some results on a much more beefy 8-way PIII tomorrow. Earlier versions of the patch reduced BKL contention during dbench by 60% on the 8-way. CPU utilization spinning on the BKL has been as high as 40%. | ||||||||||||
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