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Posted to log4j-dev@logging.apache.org by "Ralph Goers (Commented) (JIRA)" <ji...@apache.org> on 2012/03/28 08:58:32 UTC
[jira] [Commented] (LOG4J2-59) test fail 2012 Mar 12
[ https://issues.apache.org/jira/browse/LOG4J2-59?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13240238#comment-13240238 ]
Ralph Goers commented on LOG4J2-59:
-----------------------------------
FWIW - I discovered that adding -Dmaven.surefire.debug="-server" to the command line for SimplePerfTest yields performance similar to OS/X and Linux. The implication is that Log4j2 is benefitting greatly from the Hotspot compiler (27 nanoseconds per iteration with the default and 2 nanoseconds per iteration with -server). This probably also explains why, when I tried to to profiling with YourKit making changes to eliminate what YourKit was finding as hot spots made absolutely no difference as HotSpot was already eliminating them. However, making the changes manually might bring the performance in -client mode closer to -server.
> test fail 2012 Mar 12
> ---------------------
>
> Key: LOG4J2-59
> URL: https://issues.apache.org/jira/browse/LOG4J2-59
> Project: Log4j 2
> Issue Type: Bug
> Components: Core
> Affects Versions: 0.1
> Environment: windows
> NUMBER_OF_PROCESSORS=2
> OS=Windows_NT
> Reporter: Tushar
> Assignee: Ralph Goers
> Fix For: 1.0-alpha1
>
>
> got code from trunk ran mvn.bat clean install
> ... see attached
> i cant attach files here need special rights for that?
> see zip at http://sel2in.com/pages/log4j/2012march21surefire-reports.zip
> march21IST.txt has console out
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