[jira] Commented: (HARMONY-5826) [drlvm][jit][opt][performance] Magic for java.math.Multiplication.unsignedMultAdd2

["Xiaoming Gu (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HARMONY-5826?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12638224#action_12638224 ] 

Xiaoming Gu commented on HARMONY-5826:
--------------------------------------

With some testing, I couldn't get any improvement on crypto.rsa in r699565 (actually performance is degraded a little with this patch). It seems current JIT generates better code in common way than in magic way.

> [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: vm-jit-math-unsignedMultAdd2-magic-rc1.patch
>
>
> Implementation of magic for java.math.Multiplication.unsignedMultAdd2, extracted in HARMONY-5825.

-- 
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.