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https://issues.apache.org/jira/browse/LUCENE-1345?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12618513#action_12618513
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Yonik Seeley commented on LUCENE-1345:
--------------------------------------
Eks, I just tried your first TestIteratorPerf.java myself, and comparison with
zero was faster (as expected) by about 8%
I commented everything out except for testNew for simplicity.
Original testNew:
{code}
$ java -server -cp . TestIteratorPerf
new milliseconds=2883
new milliseconds=3289
new milliseconds=3148
new milliseconds=3195
new milliseconds=3149
new milliseconds=3179
new milliseconds=3180
new milliseconds=3164
new milliseconds=3179
new milliseconds=3164
new total milliseconds=31530
{code}
Modified testNew:
// while(-1!=(doc=it.next())){
while((doc=it.next()) >= 0)
{code}
$ java -server -cp . TestIteratorPerf
new milliseconds=2806
new milliseconds=2899
new milliseconds=2915
new milliseconds=2899
new milliseconds=2914
new milliseconds=2899
new milliseconds=2899
new milliseconds=3040
new milliseconds=2899
new milliseconds=2930
new total milliseconds=29100
{code}
System: WinXP, Pentium4, java version "1.5.0_11"
> Allow Filter as clause to BooleanQuery
> --------------------------------------
>
> Key: LUCENE-1345
> URL: https://issues.apache.org/jira/browse/LUCENE-1345
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Search
> Reporter: Paul Elschot
> Priority: Minor
> Attachments: DisjunctionDISI.java, DisjunctionDISI.patch,
> DisjunctionDISI.patch, LUCENE-1345.patch, LUCENE-1345.patch,
> OpenBitSetIteratorExperiment.java, TestIteratorPerf.java,
> TestIteratorPerf.java
>
>
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