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https://issues.apache.org/jira/browse/OPENNLP-759?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daniel Russ updated OPENNLP-759:
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Attachment: GISTrainer.patch
Sorry for the early problems. I used svn diff > GISTrainer.patch to create
this patch. I hope it works. Thank you. Dan
> Speed up GIS training by saving Executor in the GISTrainer
> ----------------------------------------------------------
>
> Key: OPENNLP-759
> URL: https://issues.apache.org/jira/browse/OPENNLP-759
> Project: OpenNLP
> Issue Type: Improvement
> Components: Machine Learning
> Affects Versions: maxent-3.0.3
> Reporter: Daniel Russ
> Assignee: Joern Kottmann
> Priority: Minor
> Labels: Patch
> Attachments: GISTrainer.patch
>
>
> In GISTrainer.nextIteration(double) an ExecutorService is created and
> shutdown. I don't see a reason to create a ExecutorService for each
> iteration.
> If you create the ExecutorService in the TrainModels(int, dataindexer, Prior,
> int, int) method you can save it as a field in GISTrainer or pass it as an
> argument to findParameters(int, double).
> To test it out, I made a MyGIS and MyGISTrainer classes with the fixes.
> There was a 5% speedup with 100 my dataset and 100 iterations of GIS.
> I would be happy to share the code with you. (I can not share my data
> though, sorry data-use agreements).
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