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Posted to commits@harmony.apache.org by "Xiaoming Gu (JIRA)" <ji...@apache.org> on 2008/10/10 04:36:44 UTC
[jira] Updated: (HARMONY-5826) [drlvm][jit][opt][performance] Magic
for java.math.Multiplication.unsignedMultAdd2
[ https://issues.apache.org/jira/browse/HARMONY-5826?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Xiaoming Gu updated HARMONY-5826:
---------------------------------
Attachment: H5826-V2.patch
This message is for V2 patch.
Some changes are made following Aleksey's suggestion. Now the improvement is about 30% (from 192.01 to 249.76) on my 4-core desktop.
I'm going to look into the patch to check whether it could be implemented in peephole or some other common pass.
> [drlvm][jit][opt][performance] Magic for java.math.Multiplication.unsignedMultAdd2
> ----------------------------------------------------------------------------------
>
> Key: HARMONY-5826
> URL: https://issues.apache.org/jira/browse/HARMONY-5826
> Project: Harmony
> Issue Type: Improvement
> Components: DRLVM
> Reporter: Aleksey Shipilev
> Attachments: H5826-V2.patch, vm-jit-math-unsignedMultAdd2-magic-rc1.patch
>
>
> Implementation of magic for java.math.Multiplication.unsignedMultAdd2, extracted in HARMONY-5825.
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