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https://issues.apache.org/jira/browse/LUCENE-4448?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13466004#comment-13466004
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Robert Muir commented on LUCENE-4448:
-------------------------------------
before:
{noformat}
[junit4:junit4] 2> -- prefixes: 100-200, num: 7, onlyMorePopular: true
[junit4:junit4] 2> AnalyzingCompletionLookup queries: 50001, time[ms]: 2078
[+- 20.89], ~kQPS: 24
[junit4:junit4] 2> -- prefixes: 2-4, num: 7, onlyMorePopular: true
[junit4:junit4] 2> AnalyzingCompletionLookup queries: 50001, time[ms]: 1138
[+- 8.40], ~kQPS: 44
[junit4:junit4] 2> -- prefixes: 6-9, num: 7, onlyMorePopular: true
[junit4:junit4] 2> AnalyzingCompletionLookup queries: 50001, time[ms]: 1533
[+- 9.94], ~kQPS: 33
{noformat}
after:
{noformat}
[junit4:junit4] 2> -- prefixes: 100-200, num: 7, onlyMorePopular: true
[junit4:junit4] 2> AnalyzingSuggester queries: 50001, time[ms]: 264 [+-
4.79], ~kQPS: 189
[junit4:junit4] 2> -- prefixes: 2-4, num: 7, onlyMorePopular: true
[junit4:junit4] 2> AnalyzingSuggester queries: 50001, time[ms]: 574 [+-
8.71], ~kQPS: 87
[junit4:junit4] 2> -- prefixes: 6-9, num: 7, onlyMorePopular: true
[junit4:junit4] 2> AnalyzingSuggester queries: 50001, time[ms]: 281 [+-
4.41], ~kQPS: 178
{noformat}
> speedups for AnalyzingSuggester
> -------------------------------
>
> Key: LUCENE-4448
> URL: https://issues.apache.org/jira/browse/LUCENE-4448
> Project: Lucene - Core
> Issue Type: Improvement
> Components: modules/spellchecker
> Reporter: Robert Muir
> Attachments: LUCENE-4448.patch
>
>
> just some optimizations to the TokenStreamToAutomaton/escape workflow.
> I still don't understand whats going on with the escaping: this might be
> suboptimal.
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