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From "Igor V. Stolyarov (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-3795) [classlib][linu] Performance improvement for java.io.DataInputStream, java.io.DataOutputStream, java.io.ObjectInputStream, java.io.ObjectOutputStream and java.io.ObjectStreamClass.
Date Wed, 02 May 2007 09:08:15 GMT
[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
         Attachments: DataInputOutputStream.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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