[jboss-jira] [JBoss JIRA] Commented: (JBRULES-2764) Performance degradation from 4.0.7 to 5.0.1 to 5.1.0

[David Ward (JIRA)]

    [ https://jira.jboss.org/browse/JBRULES-2764?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12560511#action_12560511 ] 

David Ward commented on JBRULES-2764:
-------------------------------------

The test case zip file contains jars (Drools core libs), so is bigger than the 10mb jira file attachment limit.  Thus, I have put the test case on dropbox.  Please find it here: http://db.tt/WqsC7S2

> Performance degradation from 4.0.7 to 5.0.1 to 5.1.0
> ----------------------------------------------------
>
>                 Key: JBRULES-2764
>                 URL: https://jira.jboss.org/browse/JBRULES-2764
>             Project: Drools
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: drools-core, drools-core  (expert)
>    Affects Versions: 5.0.1.FINAL, 5.1.1.FINAL
>            Reporter: David Ward
>            Assignee: Mark Proctor
>
> I have noticed a performance degradation from 4.0.7 to 5.0.1, and 5.0.1 to 5.1.0.  Both in creating new StatelessSessions, and executing them.
> I am attaching a portable test case which shows the degradation.  Please refer to the test.zip!/README.txt file for full instructions and explanation.
> For the purpose of this jira description (and to show the degradation from a high-level), here is sample output.  Note that the run*.sh scripts only create new StatelessSessions, but do not execute them.  The exec*.sh scripts also execute the StatelessSessions.
> run407.sh 
> RuleTest: count=10000, total=33ms, average=0.0033ms
> KnowledgeTest: API not available
> run501.sh 
> RuleTest: count=10000, total=1147ms, average=0.1147ms
> KnowledgeTest: count=10000, total=784ms, average=0.0784ms
> run511.sh 
> RuleTest: count=10000, total=2381ms, average=0.2381ms
> KnowledgeTest: count=10000, total=2007ms, average=0.2007ms
> exec407.sh 
> RuleTest: count=10000, total=875ms, average=0.0875ms
> KnowledgeTest: API not available
> exec501.sh 
> RuleTest: count=10000, total=2641ms, average=0.2641ms
> KnowledgeTest: count=10000, total=2223ms, average=0.2223ms
> exec511.sh 
> RuleTest: count=10000, total=4188ms, average=0.4188ms
> KnowledgeTest: count=10000, total=3664ms, average=0.3664ms

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