[jira] [Updated] (LUCENE-4120) FST should use packed integer arrays

["Adrien Grand (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LUCENE-4120?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Adrien Grand updated LUCENE-4120:
---------------------------------

    Affects Version/s:     (was: 5.0)
        Fix Version/s:     (was: 5.0)
                       4.0
    
> FST should use packed integer arrays
> ------------------------------------
>
>                 Key: LUCENE-4120
>                 URL: https://issues.apache.org/jira/browse/LUCENE-4120
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: core/FSTs
>            Reporter: Adrien Grand
>            Assignee: Adrien Grand
>            Priority: Minor
>             Fix For: 4.0
>
>
> There are some places where an int[] could be advantageously replaced with a packed integer array.
> I am thinking (at least) of:
>  * FST.nodeAddress (GrowableWriter)
>  * FST.inCounts (GrowableWriter)
>  * FST.nodeRefToAddress (read-only Reader)
> The serialization/deserialization methods should be modified too in order to take advantage of PackedInts.get{Reader,Writer}.

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