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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DISPATCH-1389) Optimize the parsing of message annotations
Date Mon, 22 Jul 2019 14:09:00 GMT

    [ https://issues.apache.org/jira/browse/DISPATCH-1389?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16890188#comment-16890188
] 

ASF GitHub Bot commented on DISPATCH-1389:
------------------------------------------

kgiusti commented on pull request #542: DISPATCH-1389: force inlining of local compose functions
URL: https://github.com/apache/qpid-dispatch/pull/542
 
 
   Minor change brings slight improvement:
   
   Single hop (best of 3 runs)
   master:
     3.177: msgs sent=500000 msgs/sec= 157377.115
   patch:
     2.514: msgs sent=500000 msgs/sec=  198917.333
   
   Two hop:
   master:
     8.170: msgs sent=500000 msgs/sec= 61198.177
   patch:
     6.908: msgs sent=500000 msgs/sec=   72380.426
   
 
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> Optimize the parsing of message annotations
> -------------------------------------------
>
>                 Key: DISPATCH-1389
>                 URL: https://issues.apache.org/jira/browse/DISPATCH-1389
>             Project: Qpid Dispatch
>          Issue Type: Improvement
>            Reporter: Ken Giusti
>            Assignee: Ken Giusti
>            Priority: Major
>
> Parsing message annotations, especially on the inter router incoming link, are quite
expensive.
> For example, in a simple standalone router test the time it takes on average (on my puny
laptop) to receive a message and hand it off to the core is ~1 usec:
> TestRouterA: link MyReceiver count=500000 rx=1.094 
> Compare that time to the same operation performed on the inbound router link on a two-hop
router configuration:
> TestRouterB: link MyReceiver count=500000 rx=7.035 
> On average it's 7x slower.  Most of this time appears to be spent manipulating inbound
message annotations.
>  
> This Jira tracks work towards improving the performance of message annotation processing.



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