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https://jira.codehaus.org/browse/SUREFIRE-947?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=316620#comment-316620
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Kristian Rosenvold commented on SUREFIRE-947:
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Looks like we're missing the "perCore" multiplier for multiple forks.
Scheduling this for the next version.
> perCoreThreadCount ineffective
> ------------------------------
>
> Key: SUREFIRE-947
> URL: https://jira.codehaus.org/browse/SUREFIRE-947
> Project: Maven Surefire
> Issue Type: Bug
> Components: Junit 4.7+ (parallel) support
> Affects Versions: 2.13
> Environment: 32-bit Linux 3.2.0 kernel (Ubuntu Precise), Java 7u9,
> i5-2520M CPU Ã 4
> Reporter: Jesse Glick
> Fix For: 2.14
>
>
> I am running on a multicore machine with {{forkMode="perthread"}} +
> {{threadCount="1"}} + {{reuseForks="true"}} and not seeing any
> parallelismâat least {{jps -lm}} reports only one {{surefirebooter.jar}}
> process. {{perCoreThreadCount}} defaults to {{true}} so I expected to see 4
> (or 8?) processes. Seems that I have to explicitly specify a larger
> {{threadCount}} in order to get actual parallelism.
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