Messages in this thread | | | Date | Tue, 6 Apr 2010 15:55:56 -0500 (CDT) | From | Christoph Lameter <> | Subject | Re: hackbench regression due to commit 9dfc6e68bfe6e |
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We cannot reproduce the issue here. Our tests here (dual quad dell) show a performance increase in hackbench instead.
Linux 2.6.33.2 #2 SMP Mon Apr 5 11:30:56 CDT 2010 x86_64 GNU/Linux ./hackbench 100 process 200000 Running with 100*40 (== 4000) tasks. Time: 3102.142 ./hackbench 100 process 20000 Running with 100*40 (== 4000) tasks. Time: 308.731 ./hackbench 100 process 20000 Running with 100*40 (== 4000) tasks. Time: 311.591 ./hackbench 100 process 20000 Running with 100*40 (== 4000) tasks. Time: 310.200 ./hackbench 10 process 20000 Running with 10*40 (== 400) tasks. Time: 38.048 ./hackbench 10 process 20000 Running with 10*40 (== 400) tasks. Time: 44.711 ./hackbench 10 process 20000 Running with 10*40 (== 400) tasks. Time: 39.407 ./hackbench 1 process 20000 Running with 1*40 (== 40) tasks. Time: 9.411 ./hackbench 1 process 20000 Running with 1*40 (== 40) tasks. Time: 8.765 ./hackbench 1 process 20000 Running with 1*40 (== 40) tasks. Time: 8.822
Linux 2.6.34-rc3 #1 SMP Tue Apr 6 13:30:34 CDT 2010 x86_64 GNU/Linux ./hackbench 100 process 200000 Running with 100*40 (== 4000) tasks. Time: 3003.578 ./hackbench 100 process 20000 Running with 100*40 (== 4000) tasks. Time: 300.289 ./hackbench 100 process 20000 Running with 100*40 (== 4000) tasks. Time: 301.462 ./hackbench 100 process 20000 Running with 100*40 (== 4000) tasks. Time: 301.173 ./hackbench 10 process 20000 Running with 10*40 (== 400) tasks. Time: 41.191 ./hackbench 10 process 20000 Running with 10*40 (== 400) tasks. Time: 41.964 ./hackbench 10 process 20000 Running with 10*40 (== 400) tasks. Time: 41.470 ./hackbench 1 process 20000 Running with 1*40 (== 40) tasks. Time: 8.829 ./hackbench 1 process 20000 Running with 1*40 (== 40) tasks. Time: 9.166 ./hackbench 1 process 20000 Running with 1*40 (== 40) tasks. Time: 8.681
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