If 1 day in 2005 you can run the tests on annotations, it would be great. I'm wondering how the XML 40% become using annotations.
--- Max Rydahl Andersen <[EMAIL PROTECTED]> a écrit : > Hi guys, > > Just reran a set of startup performance tests, to > see if something has > changed or I would be able to point out some new > places > to put in some speedups. Unfortunately (or as > expected) not much has > changed. > > The same pattern always emerge on startup > performance: > > #1. xml reading is 40-60% if one doesnt use the > serialized version...so > use addCachableFile() to do an EASY performance > boost! > #2. FastClass creation takes 23% (when using > serialized xml files). After > looking at the source I could see that fastclass is > ONLY > needed when the cglib optimizer is used, so I > removed creation of > fastClass'es. > The "funny" thing is that I don't think it > makes any difference since > after removing this ClassLoader and normal > reflection popped up > as using approximate the same time. > (hinting that FastClass just > triggered that in a different way). So disabling > cglib optimizer might not > give that much of a boost..my emperi hints it's > <5%) > #3. After #1 & #2 the biggest time-stealer is > reflection and classloading. > (nothing much to do about this except not adding > classes not needed to > the configuration) > > So, caching the classes generated by cglib I do not > think will matter much > since it will be replaced with classloading. > The next step I see is lazy creation of > EntityPersisters and/or trying to > serialize the actual SessionFactory (but that is a > tough one - since to > alloew deserializing parts of the persisters, > loaders, caches etc. need > access to stuff only available in SessionFactory > which they don't all have > access to) > > -- > Max Rydahl Andersen > callto://max.rydahl.andersen > > Hibernate > [EMAIL PROTECTED] > http://hibernate.org > > JBoss Inc > [EMAIL PROTECTED] > http://jboss.com > > > ------------------------------------------------------- > SF email is sponsored by - The IT Product Guide > Read honest & candid reviews on hundreds of IT > Products from real users. > Discover which products truly live up to the hype. > Start reading now. > http://productguide.itmanagersjournal.com/ > _______________________________________________ > hibernate-devel mailing list > hibernate-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/hibernate-devel > Découvrez le nouveau Yahoo! Mail : 250 Mo d'espace de stockage pour vos mails ! Créez votre Yahoo! Mail sur http://fr.mail.yahoo.com/ ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://productguide.itmanagersjournal.com/ _______________________________________________ hibernate-devel mailing list hibernate-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/hibernate-devel
