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https://issues.apache.org/jira/browse/LUCENE-2167?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12865170#action_12865170
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Steven Rowe commented on LUCENE-2167:
-------------------------------------
I ran contrib/benchmark over 10k Reuters docs with tokenization-only analyzers;
Sun JDK 1.6, Windows Vista/Cygwin; best of five:
||Operation||recsPerRun||rec/s||elapsedSec||
|StandardTokenizer|1262799|655,318.62|1.93|
|ICUTokenizer|1268451|536,116.25|2.37|
|UAX29Tokenizer|1268451|524,586.88|2.42|
I think UAX29Tokenizer is slower than StandardTokenizer because it does the
lookahead/chaining thing. Still, decent performance.
> Implement StandardTokenizer with the UAX#29 Standard
> ----------------------------------------------------
>
> Key: LUCENE-2167
> URL: https://issues.apache.org/jira/browse/LUCENE-2167
> Project: Lucene - Java
> Issue Type: New Feature
> Components: contrib/analyzers
> Affects Versions: 3.1
> Reporter: Shyamal Prasad
> Assignee: Steven Rowe
> Priority: Minor
> Attachments: LUCENE-2167.patch, LUCENE-2167.patch, LUCENE-2167.patch
>
> Original Estimate: 0.5h
> Remaining Estimate: 0.5h
>
> It would be really nice for StandardTokenizer to adhere straight to the
> standard as much as we can with jflex. Then its name would actually make
> sense.
> Such a transition would involve renaming the old StandardTokenizer to
> EuropeanTokenizer, as its javadoc claims:
> bq. This should be a good tokenizer for most European-language documents
> The new StandardTokenizer could then say
> bq. This should be a good tokenizer for most languages.
> All the english/euro-centric stuff like the acronym/company/apostrophe stuff
> can stay with that EuropeanTokenizer, and it could be used by the european
> analyzers.
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