[jira] Commented: (HARMONY-5632) [drlvm][general] Serialization performance improvements

["Aleksey Shipilev (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HARMONY-5632?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12581567#action_12581567 ] 

Aleksey Shipilev commented on HARMONY-5632:
-------------------------------------------

For now, distribution of clean/POC is following:

Clean:
HARMONY-5634 [classlib][luni][performance] ObjectInputStream should use HashMap instead of Hashtable for internal storage
HARMONY-5635 [classlib][luni][performance] ObjectInputStream should empty the underlying stream in right way

Dirty/POC:
HARMONY-5633 [drlvm][performance] ObjectStreamClass lookup improvement
HARMONY-5636 [classlib][luni][performance] java.lang.reflect.Proxy cache should be unsynchronized
HARMONY-5637 [drlvm][classloader][performance] Make ClassLoader.loadClass desynchronized while trying to load already loaded class
HARMONY-5638 [drlvm][performance] String.intern() should use unsynchronized fast-path
HARMONY-5639 [drlvm][classloader][performance] Make native class/method/field lookups unsynchronized
HARMONY-5640 [drlvm][performance] ObjectInputStream.resolveClass(ObjectStreamClass ...) optimization


> [drlvm][general] Serialization performance improvements
> -------------------------------------------------------
>
>                 Key: HARMONY-5632
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5632
>             Project: Harmony
>          Issue Type: Improvement
>            Reporter: Aleksey Shipilev
>         Attachments: MTHarness.jar, MTHarness.zip, serialBench-CTN.PNG, serialBench-HTN.PNG, serialBench-TGN.PNG
>
>
> This is umbrella issue for serialization performance improvements

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