Now I¹m back from my Easter break I¹ve run done some testing with our code. Hs-comp is looking good in general, and this code does appear to give a nice little extra boost. My results are showing a difference at peak performance, which I found slightly surprising so I¹ll need to take a look at just how often targets are being reset and for what reasons.
Anyway, in general I¹m getting about 10% better performance with hs-comp than 8u40, and that¹s in code which spends a substantial amount of its time down in some C libraries. Keep up the good work Vladimir! Duncan. On 02/04/2015 17:26, "Vladimir Ivanov" <vladimir.x.iva...@oracle.com> wrote: >Aleksey, thanks a lot for the performance evaluation of the fix! > >Best regards, >Vladimir Ivanov > >On 4/2/15 7:10 PM, Aleksey Shipilev wrote: >> On 04/01/2015 11:56 PM, Vladimir Ivanov wrote: >>> http://cr.openjdk.java.net/~vlivanov/8057967/webrev.00/hotspot/ >>> http://cr.openjdk.java.net/~vlivanov/8057967/webrev.00/jdk/ >>> https://bugs.openjdk.java.net/browse/JDK-8057967 >> >> Glad to see this finally addressed, thanks! >> >> I did not look through the code changes, but ran Octane on my >> configuration. As expected, Typescript had improved substantially. Other >> benchmarks are not affected much. This in line with the performance >> analysis done for the original bug report. >> >> Baseline: >> >> Benchmark Mode Cnt Score Error Units >> Box2D.test ss 20 4454.677 ± 345.807 ms/op >> CodeLoad.test ss 20 4784.299 ± 370.658 ms/op >> Crypto.test ss 20 878.395 ± 87.918 ms/op >> DeltaBlue.test ss 20 502.182 ± 52.362 ms/op >> EarleyBoyer.test ss 20 2250.508 ± 273.924 ms/op >> Gbemu.test ss 20 5893.102 ± 656.036 ms/op >> Mandreel.test ss 20 9323.484 ± 825.801 ms/op >> NavierStokes.test ss 20 657.608 ± 41.212 ms/op >> PdfJS.test ss 20 3829.534 ± 353.702 ms/op >> Raytrace.test ss 20 1202.826 ± 166.795 ms/op >> Regexp.test ss 20 156.782 ± 20.992 ms/op >> Richards.test ss 20 324.256 ± 35.874 ms/op >> Splay.test ss 20 179.660 ± 34.120 ms/op >> Typescript.test ss 20 40.537 ± 2.457 s/op >> >> Patched: >> >> Benchmark Mode Cnt Score Error Units >> Box2D.test ss 20 4306.198 ± 376.030 ms/op >> CodeLoad.test ss 20 4881.635 ± 395.585 ms/op >> Crypto.test ss 20 823.551 ± 106.679 ms/op >> DeltaBlue.test ss 20 490.557 ± 41.705 ms/op >> EarleyBoyer.test ss 20 2299.763 ± 270.961 ms/op >> Gbemu.test ss 20 5612.868 ± 414.052 ms/op >> Mandreel.test ss 20 8616.735 ± 825.813 ms/op >> NavierStokes.test ss 20 640.722 ± 28.035 ms/op >> PdfJS.test ss 20 4139.396 ± 373.580 ms/op >> Raytrace.test ss 20 1227.632 ± 151.088 ms/op >> Regexp.test ss 20 169.246 ± 34.055 ms/op >> Richards.test ss 20 331.824 ± 32.706 ms/op >> Splay.test ss 20 168.479 ± 23.512 ms/op >> Typescript.test ss 20 31.181 ± 1.790 s/op >> >> The offending profile branch (Universe::flush_dependents_on) is also >> gone, which explains the performance improvement. >> >> Thanks, >> -Aleksey. >> >_______________________________________________ >mlvm-dev mailing list >mlvm-dev@openjdk.java.net >http://mail.openjdk.java.net/mailman/listinfo/mlvm-dev _______________________________________________ mlvm-dev mailing list mlvm-dev@openjdk.java.net http://mail.openjdk.java.net/mailman/listinfo/mlvm-dev