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From "Xiaoming Gu (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-5826) [drlvm][jit][opt][performance] Magic for java.math.Multiplication.unsignedMultAdd2
Date Sun, 28 Dec 2008 07:19:44 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-5826?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12659411#action_12659411

Xiaoming Gu commented on HARMONY-5826:

I do the testing about SPECjvm2008 again and find they are all passed. (Previous failures
came from my messy codebase.) The current problem is some benchmarks are improved but some
are degraded. The total scores are almost equal for with/without global propagation. The two
most degraded benchmarks are crypto.aes and scimark.lu.small - degraded about 10%. I'm going
to check whether the reason is increased compile time or not.

> [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, H5826-V3.patch, H5826-V4.patch, H5826-V5.patch.zip,
H5826-V6.zip, vm-jit-math-unsignedMultAdd2-magic-rc1.patch
> Implementation of magic for java.math.Multiplication.unsignedMultAdd2, extracted in HARMONY-5825.

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