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Posted to proton@qpid.apache.org by "michael goulish (JIRA)" <ji...@apache.org> on 2014/09/25 22:18:34 UTC
[jira] [Resolved] (PROTON-700) small performance improvement from
inling one fn.
[ https://issues.apache.org/jira/browse/PROTON-700?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
michael goulish resolved PROTON-700.
------------------------------------
Resolution: Fixed
revision 1627642.
> small performance improvement from inling one fn.
> -------------------------------------------------
>
> Key: PROTON-700
> URL: https://issues.apache.org/jira/browse/PROTON-700
> Project: Qpid Proton
> Issue Type: Improvement
> Components: proton-c
> Reporter: michael goulish
> Assignee: michael goulish
> Priority: Minor
>
> inlining the internal function pn_data_node() improves speed somewhere between 2.6% and 6%, depending on architecture.
> This is based on testing I did with two C-based clients written at the engine interface level.
> The higher 6% figure was seen on a more modern machine with recent Intel processors, the lower figure was seen on an older box with AMD processors.
> But the effect is real: after 5- repetition before the change & 50 after, T-test indicates odds of this happening by chance is 2.0e-18 .
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