On Fri, 9 Mar 2007, Mel Gorman wrote: > The results without slub_debug were not good except for IA64. x86_64 and ppc64 > both blew up for a variety of reasons. The IA64 results were
Yuck that is the dst issue that Adrian is also looking at. Likely an issue with slab merging and RCU frees. > KernBench Comparison > -------------------- > 2.6.21-rc2-mm2-clean 2.6.21-rc2-mm2-slub > %diff > User CPU time 1084.64 1032.93 4.77% > System CPU time 73.38 63.14 > 13.95% > Total CPU time 1158.02 1096.07 5.35% > Elapsed time 307.00 285.62 6.96% Wow! The first indication that we are on the right track with this. > AIM9 Comparison > 2 page_test 2097119.26 3398259.27 1301140.01 > 62.04% System Allocations & Pages/second Wow! Must have all stayed within slab boundaries. > 8 link_test 64776.04 7488.13 -57287.91 > -88.44% Link/Unlink Pairs/second Crap. Maybe we straddled a slab boundary here? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
