Re: synchronized code
От | Felipe Schnack |
---|---|
Тема | Re: synchronized code |
Дата | |
Msg-id | 1042109974.20999.10.camel@desenv1.ritterdosreis.br обсуждение исходный текст |
Ответ на | Re: synchronized code (Oliver Jowett <oliver@opencloud.com>) |
Список | pgsql-jdbc |
Calling System.gc() don't necessarly executes garbage collecting, it just gives a "hint" to the garbage collector... anyway, I don't see why this would add so much overhead (creating lots of objects) On Wed, 2003-01-08 at 19:59, Oliver Jowett wrote: > On Wed, Jan 08, 2003 at 01:56:19PM -0800, Barry Lind wrote: > > Oliver, > > > > What you need to be testing is syncronization vs. object allocation > > *and* garbage collection. How are you testing the overhead that the > > garbage collection adds since garbage collection in java by its nature > > is something that is async. > > > > Perhaps having a System.gc() call at the end of each test would be > > sufficient? > > I'm timing total throughput across all threads vs. elapsed real time so GC > should be included. -verbose:gc shows that minor GCs are, in fact, happening > frequently (2-3 per second) > > -O > > ---------------------------(end of broadcast)--------------------------- > TIP 3: if posting/reading through Usenet, please send an appropriate > subscribe-nomail command to majordomo@postgresql.org so that your > message can get through to the mailing list cleanly -- Felipe Schnack Analista de Sistemas felipes@ritterdosreis.br Cel.: (51)91287530 Linux Counter #281893 Centro Universitário Ritter dos Reis http://www.ritterdosreis.br ritter@ritterdosreis.br Fone/Fax.: (51)32303341
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