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From "Alexei Fedotov (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-5679) [classlib][archive] UTF-8 decoder & Attributes.Name.hashCode optimizations
Date Tue, 01 Apr 2008 23:33:24 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-5679?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alexei Fedotov updated HARMONY-5679:
------------------------------------

    Attachment: utf8_decode_review.patch
                utf8_decode.patch
                attr_name_hash.patch

The hash code patch removes a branch from a hash code calculation. It uses that 'a' = 'A'
 (mod 00010000b)

The utf decoder optimization is based on general code cleanup and creating a slow path for
static array accesses: they are not very quick since they are implemented via access$n synthetic
method.

I have prepared a separate patch for utf-8 decoder reviewing purposes (cannot be applied,
but easier to read).



> [classlib][archive] UTF-8 decoder & Attributes.Name.hashCode optimizations
> --------------------------------------------------------------------------
>
>                 Key: HARMONY-5679
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5679
>             Project: Harmony
>          Issue Type: Sub-task
>          Components: Classlib
>            Reporter: Alexei Fedotov
>         Attachments: attr_name_hash.patch, utf8_decode.patch, utf8_decode_review.patch
>
>


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