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Adrian Crum commented on OFBIZ-5170: ------------------------------------ I removed Javolution from UtilMisc.java in revision 1465253. A lot of code uses this class to create Lists and Maps, so I thought it would be an ideal candidate for comparison. With Javolution --------------- toList(Object) 0.003083333 mS average self time (AST) toMap(Object[]) 0.006643836 mS AST Without Javolution ------------------ toList(Object) 0.001512195 mS AST toMap(Object[]) 0.004785714 mS AST The differences are too small to be a significant performance consideration. But the numbers seem to prove what the experts say - that borrowing an object from an object pool requires synchronization, and that synchronization takes more time than creating a new object. > Profiling OFBiz > --------------- > > Key: OFBIZ-5170 > URL: https://issues.apache.org/jira/browse/OFBIZ-5170 > Project: OFBiz > Issue Type: Improvement > Components: ALL COMPONENTS > Affects Versions: SVN trunk > Reporter: Adrian Crum > Priority: Minor > Attachments: HotSpotSettings.PNG, HotSpots_Rev_1464779.csv > > > I will be using this issue to share the things I learn while profiling OFBiz > to study the impact of removing Javolution. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira