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https://issues.apache.org/jira/browse/LUCENE-2189?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12796111#action_12796111
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Uwe Schindler edited comment on LUCENE-2189 at 1/4/10 8:11 AM:
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Just a comment on the switch:
As far as I know: Java switch statements are very fast if there are few cases
and these cases are near together and therefore small numbers. I would suggest
to not switch on the raw ANDed status, but better instead shift the status >>>
28 (and remove the &) and then only list the status values 0..9 in the switch
statement.
was (Author: thetaphi):
Just a comment on the switch:
As far as I know: Java switch statements are very fast if there are few cases
and these cases are near together and therefore small numbers. I would suggest
to not switch on the raw ANDed status, but better instead shift the status >>>
28 (and remove the &) and then only list the raw status values 0..9 in the
switch statement.
> Simple9 (de)compression
> -----------------------
>
> Key: LUCENE-2189
> URL: https://issues.apache.org/jira/browse/LUCENE-2189
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Index
> Reporter: Paul Elschot
> Priority: Minor
> Attachments: LUCENE-2189a.patch
>
>
> Simple9 is an alternative for VInt.
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