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https://issues.apache.org/jira/browse/UIMA-2385?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13273312#comment-13273312
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Adam Lally commented on UIMA-2385:
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Excellent. I completely agree with increasing the DEFAULT_HEAP_MULTI_LIMIT to
512k. Please submit a patch. I don't have any particularly strong feeling
that it needs to be configurable, but if you want to do that I wouldn't object.
> Improve XmiCasDeserializer performance
> --------------------------------------
>
> Key: UIMA-2385
> URL: https://issues.apache.org/jira/browse/UIMA-2385
> Project: UIMA
> Issue Type: Improvement
> Components: Core Java Framework
> Affects Versions: 2.4.0SDK
> Reporter: Adam Lally
> Assignee: Adam Lally
>
> I profiled an expensive CAS deserialization and found that 46% of the time
> was in CASImpl.ll_getFSForRef (the method that creates a FeatureStructure
> Java object for a CAS FS). All those calls were coming from deserializing
> arrays (of which this particular CAS has many).
> It is unnecessary to create FeatureStructure Java objects here. For
> non-array FSs, XmiCasDeserializer uses low-level CAS APIs in order to avoid
> this overhead. But for arrays, it currently does not use the low-level APIs.
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