[jira] Updated: (HARMONY-4815) [classlib][nio] Charset encoding/decoding is ineffective

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

     [ https://issues.apache.org/jira/browse/HARMONY-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aleksey Shipilev updated HARMONY-4815:
--------------------------------------

    Attachment: CharsetTest.java

The test.

> [classlib][nio] Charset encoding/decoding is ineffective
> --------------------------------------------------------
>
>                 Key: HARMONY-4815
>                 URL: https://issues.apache.org/jira/browse/HARMONY-4815
>             Project: Harmony
>          Issue Type: Improvement
>          Components: Classlib
>            Reporter: Aleksey Shipilev
>         Attachments: CharsetTest.java, HARMONY-4815.patch
>
>
> Excess synchronizations and caching of encoder/decoder causes stalls if many thread doing encoding/decoding simultaneously. As far as one single instance of Encoder/Decoder is not thread-safe, we could create the separate encoder/decoder each time it is demanded. The overhead will be caused for excess object allocations, but boost from eliminating serial code is much bigger.

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