User development, A new message was posted in the thread "5.1.0.GA considerably slower than 4.0.3RC2! Up to 200%":
http://community.jboss.org/message/526424#526424 Author : Emil Nilimaa Profile : http://community.jboss.org/people/Eminil Message: -------------------------------------------------------------- > peterj wrote: > > What timings do you get if you move the currentTimeMillis to inside the > testJBossSpeed method (I'm trying to eliminate any possible AOP processing)? > > The testJBossSpeedis creating 1 million String objects, all of which end up > being garbage. The only things I can think of regarding JBoss AS doing > anything here are: a) some AOP config is wrapped around the String class, b) > something is hooked into garbage collection. > > Oh, there is one more possibility - heap usage. If 5.1.0 uses significantly > more heap than 4.0.3, and both app servers are set to that same heap size, > then 5.1.0 will encounter more garbage collections. You can run with > -verbose:gc to determine if this is the case. The same timings apply even if we put everything inside the method. Will try the verbose option and see what happens... -------------------------------------------------------------- To reply to this message visit the message page: http://community.jboss.org/message/526424#526424
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