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https://issues.apache.org/jira/browse/UIMA-500?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marshall Schor closed UIMA-500.
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Resolution: Fixed
Done. All tests run.
> Reduce excessive synch lock contention caused by calls to ll_isValidTypeCode
> that are not needed
> ------------------------------------------------------------------------------------------------
>
> Key: UIMA-500
> URL: https://issues.apache.org/jira/browse/UIMA-500
> Project: UIMA
> Issue Type: Improvement
> Affects Versions: 2.1
> Reporter: Marshall Schor
> Assignee: Marshall Schor
> Fix For: 2.2
>
>
> User reports slowdown as the number of threads are increased; traced to lock
> contention in Vector.get() method; call trace is:
> XmiCasSerializer$XmiCasDocSerializer.<many places>
> CASImpl.ll_getTypeClass(int)
> TypeSystemImpl.subsumes(int, int)
> TypeSystemImpl.ll_subsumes(int, int)
> TypeSystemImpl.ll_isArrayType(int)
> TypeSystemImpl.ll_isValidTypeCode(int) <<< Not needed
> SymbolTable.getSymbol(int)
> Vector.get(int)
> The callers of ll_isValidTypeCode include this caller and another
> (ll_getStringSet), where the call can be omitted without affecting the
> returned value.
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