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https://issues.apache.org/jira/browse/DISPATCH-1274?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16800794#comment-16800794
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Alan Conway commented on DISPATCH-1274:
---------------------------------------
That part of the change (using an array instead of a linked list for timer
lookup) can be backed out separately if desired. Otherwise the whole thing can
be backed out for now since there isn't strong evidence that it provides a big
speed up.
> Optimize qd_timer_schedule(0)
> ------------------------------
>
> Key: DISPATCH-1274
> URL: https://issues.apache.org/jira/browse/DISPATCH-1274
> Project: Qpid Dispatch
> Issue Type: Improvement
> Components: Container
> Affects Versions: 1.5.0
> Reporter: Alan Conway
> Assignee: Alan Conway
> Priority: Major
> Fix For: 1.6.0
>
>
> qd_timer_schedule() uses the general timeout mechanisms which includes
> checking system time (on schedule and on PN_PROACTOR_TIMEOUT wakeup) and
> adding/removing work items from sorted list. Optimize the schedule(0) case as
> a simple work_list using pn_proactor_interrupt() for wakeups.
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