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https://issues.apache.org/jira/browse/LUCENE-3505?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13417329#comment-13417329
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Michael McCandless commented on LUCENE-3505:
--------------------------------------------
I ran perf on 2nd to last patch:
{noformat}
Task QPS base StdDev base QPS for StdDev for Pct
diff
IntNRQ 10.49 0.98 9.65 0.59 -21% -
7%
Prefix3 26.23 1.51 25.06 1.04 -13% -
5%
Wildcard 12.26 0.72 11.72 0.52 -13% -
6%
AndHighHigh 6.16 0.16 5.95 0.20 -9% -
2%
Term 7.69 0.31 7.52 0.30 -9% -
5%
AndHighMed 24.14 0.59 23.87 0.57 -5% -
3%
TermBGroup1M 4.14 0.05 4.14 0.15 -4% -
5%
Respell 90.54 5.15 90.84 5.36 -10% -
12%
TermBGroup1M1P 5.49 0.13 5.51 0.13 -4% -
5%
TermGroup1M 3.99 0.02 4.01 0.11 -2% -
3%
SloppyPhrase 1.26 0.08 1.27 0.11 -13% -
16%
PKLookup 200.21 4.09 201.31 1.94 -2% -
3%
Phrase 1.27 0.02 1.27 0.01 -1% -
2%
Fuzzy1 72.39 2.64 73.00 3.24 -7% -
9%
SpanNear 1.34 0.02 1.36 0.06 -3% -
7%
Fuzzy2 34.34 1.50 35.00 1.78 -7% -
12%
OrHighHigh 3.65 0.18 3.83 0.12 -3% -
14%
OrHighMed 9.01 0.55 9.55 0.53 -5% -
19%
{noformat}
> BooleanScorer2.freq() doesnt work unless you call score() first.
> ----------------------------------------------------------------
>
> Key: LUCENE-3505
> URL: https://issues.apache.org/jira/browse/LUCENE-3505
> Project: Lucene - Java
> Issue Type: Bug
> Reporter: Robert Muir
> Fix For: 4.0, 5.0, 3.6.2
>
> Attachments: LUCENE-3505.patch, LUCENE-3505.patch, LUCENE-3505.patch,
> LUCENE-3505.patch, LUCENE-3505.patch, LUCENE-3505.patch, LUCENE-3505.patch,
> LUCENE-3505.patch
>
>
> its 0, the freq() is then calculated as a side effect of score()... we should
> at least document this or throw UOE for freq() instead.
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