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https://issues.apache.org/jira/browse/LUCENE-6940?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Adrien Grand updated LUCENE-6940:
---------------------------------
Attachment: LUCENE-6940.patch
Here is a new patch. This time it has tests and tries to organize the code a
bit better. Tests pass and luceneutil still reports similar times (this time I
only ran the default tasks for wikimedium10m):
{noformat}
TaskQPS baseline StdDev QPS patch StdDev
Pct diff
OrNotHighHigh 35.34 (2.2%) 32.99 (3.3%)
-6.7% ( -11% - -1%)
OrNotHighMed 174.57 (2.3%) 170.17 (1.8%)
-2.5% ( -6% - 1%)
OrHighMed 73.34 (4.6%) 72.13 (5.0%)
-1.7% ( -10% - 8%)
OrHighHigh 9.17 (5.7%) 9.03 (5.2%)
-1.5% ( -11% - 9%)
OrHighNotHigh 78.91 (2.8%) 78.16 (3.6%)
-0.9% ( -7% - 5%)
OrHighLow 19.79 (2.7%) 19.73 (3.6%)
-0.3% ( -6% - 6%)
LowSloppyPhrase 70.26 (2.1%) 70.14 (2.3%)
-0.2% ( -4% - 4%)
AndHighMed 191.70 (1.7%) 191.59 (1.7%)
-0.1% ( -3% - 3%)
AndHighHigh 79.74 (1.0%) 79.79 (0.9%)
0.1% ( -1% - 1%)
MedSloppyPhrase 73.28 (2.5%) 73.37 (2.7%)
0.1% ( -5% - 5%)
Respell 84.33 (2.4%) 84.60 (2.8%)
0.3% ( -4% - 5%)
LowSpanNear 12.79 (3.9%) 12.83 (3.0%)
0.4% ( -6% - 7%)
LowPhrase 48.59 (1.2%) 48.79 (1.2%)
0.4% ( -2% - 2%)
MedPhrase 33.55 (1.4%) 33.71 (1.3%)
0.5% ( -2% - 3%)
HighSpanNear 14.50 (3.2%) 14.60 (2.6%)
0.7% ( -4% - 6%)
MedSpanNear 151.02 (3.3%) 152.17 (1.7%)
0.8% ( -4% - 5%)
HighSloppyPhrase 15.76 (5.3%) 15.90 (5.2%)
0.9% ( -9% - 12%)
HighPhrase 32.51 (2.3%) 33.09 (1.4%)
1.8% ( -1% - 5%)
Prefix3 90.59 (8.9%) 92.74 (7.5%)
2.4% ( -12% - 20%)
Wildcard 125.13 (8.2%) 128.21 (7.8%)
2.5% ( -12% - 20%)
MedTerm 291.05 (6.8%) 300.34 (6.5%)
3.2% ( -9% - 17%)
Fuzzy1 61.93 (8.8%) 64.08 (9.6%)
3.5% ( -13% - 23%)
HighTerm 79.63 (7.3%) 83.28 (6.9%)
4.6% ( -8% - 20%)
IntNRQ 10.39 (13.8%) 10.94 (11.5%)
5.3% ( -17% - 35%)
LowTerm 575.82 (12.7%) 607.32 (10.6%)
5.5% ( -15% - 33%)
OrNotHighLow 985.95 (4.4%) 1054.73 (3.0%)
7.0% ( 0% - 15%)
AndHighLow 688.12 (8.2%) 736.65 (4.5%)
7.1% ( -5% - 21%)
Fuzzy2 58.94 (14.4%) 63.15 (8.9%)
7.2% ( -14% - 35%)
OrHighNotMed 84.50 (3.4%) 95.46 (3.8%)
13.0% ( 5% - 20%)
OrHighNotLow 64.23 (3.3%) 76.36 (4.7%)
18.9% ( 10% - 27%)
{noformat}
> Bulk scoring could speed up MUST_NOT clauses
> --------------------------------------------
>
> Key: LUCENE-6940
> URL: https://issues.apache.org/jira/browse/LUCENE-6940
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Adrien Grand
> Assignee: Adrien Grand
> Priority: Minor
> Attachments: LUCENE-6940.patch, LUCENE-6940.patch
>
>
> Today when you have MUST_NOT clauses, the ReqExclScorer is used and needs to
> check the excluded clauses on every iteration. I suspect we could speed
> things up by having a BulkScorer that would advance the excluded clause first
> and then tell the required clause to bulk score up to the next excluded
> document.
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