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https://issues.apache.org/jira/browse/DISPATCH-1354?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16858960#comment-16858960
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ASF GitHub Bot commented on DISPATCH-1354:
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ChugR commented on issue #518: DISPATCH-1354: Annotation processing performance
improvements
URL: https://github.com/apache/qpid-dispatch/pull/518#issuecomment-500023799
Includes MIN, MAX macros in ctools.h
Closed at commit 95c8f4
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> Interrouter annotation processing uses slow methods
> ---------------------------------------------------
>
> Key: DISPATCH-1354
> URL: https://issues.apache.org/jira/browse/DISPATCH-1354
> Project: Qpid Dispatch
> Issue Type: Improvement
> Components: Router Node
> Affects Versions: 1.7.0
> Reporter: Chuck Rolke
> Assignee: Chuck Rolke
> Priority: Major
>
> Message annotation processing on received messages stages key names byte by
> byte into a flat buffer and then uses strcmp to check them.
> Easy improvements are:
> * Use name in raw buffer if it does not cross a buffer boundary
> * If name crosses a boundary then use memmoves to get the name in chunks
> * Check the name prefix only once and then check variable parts of name
> strings
> * Don't create unnecessary qd_iterators and qd_parsed_fields
> * Don't check names whose lengths differ from the given keys
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