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From "Igor V. Stolyarov (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-3795) [classlib][linu] Performance improvement for java.io.DataInputStream, java.io.DataOutputStream, java.io.ObjectInputStream, java.io.ObjectOutputStream and java.io.ObjectStreamClass.
Date Fri, 04 May 2007 06:03:15 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-3795?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12493584
] 

Igor V. Stolyarov commented on HARMONY-3795:
--------------------------------------------

Works for me.
Thank you Alex.

> [classlib][linu] Performance improvement for java.io.DataInputStream, java.io.DataOutputStream,
java.io.ObjectInputStream, java.io.ObjectOutputStream and java.io.ObjectStreamClass.
> ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-3795
>                 URL: https://issues.apache.org/jira/browse/HARMONY-3795
>             Project: Harmony
>          Issue Type: Improvement
>          Components: Classlib
>            Reporter: Igor V. Stolyarov
>         Assigned To: Alexey Petrenko
>         Attachments: DataInputOutputStream.patch, Serialization.patch
>
>
> I'd like to suggest performance improvement for java.io.DataInputStream, java.io.DataOutputStream,
java.io.ObjectInputStream, java.io.ObjectOutputStream and java.io.ObjectStreamClass classes.
This improvment includes two patches. First patch (for java.io.DataInputStream & java.io.DataOutputStream)
gives boost on SPECjvm2007 serial benchmark - 9.5%. Second patch (for java.io.ObjectIputStream,
java.io.ObjectOutputStream & java.io.ObjectStreamClass) gives boost on SPECjvm2007 serial
benchmark - 2%. Together both patches give boost on SPECjvm2007 serial benchmark - 26.5%.

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