Strangely enough, a long time ago someone said me that static method were slower to execute than normal ones... this makes no sense to me, but anyone knows if this is true? Personally, I freak out when I see synch'd code where it can be avoided :-))
On Wed, 2003-01-29 at 18:17, Tobias Dittrich wrote: > > The reason why you don't want to use synchronized methods is that a > synchronized block can only be executed by one thread at a time. Every other > thread wanting to access this method will be blocked during this time (well, > basically). So you want to try to keep the synchonized blocks as small as > possible. > > Having said that I wonder weather performance is an issue in the singleton > vs only-static discussion. Is there a significant difference in execution > speed? After all one has to make one additional method call every time when > accessing a singleton method (the getInstance() which is synchronized, > too). And since we're off topic anyway: is a call to a static method faster > than a "normal" one to an object (well, I mean the overhead from the method > call, not the execution speed of the method body ... )? > > > Cheers > Tobi > > > > From: "Erik Price" <[EMAIL PROTECTED]> > To: "Tomcat Users List" <[EMAIL PROTECTED]> > Sent: Wednesday, January 29, 2003 1:46 PM > Subject: Re: about singletons (ot) > > > > > > > > Mike Jackson wrote: > > > The difference is that if you use a singleton there's one instance. If > > > everything > > > is static then you only have one copy. Usually when you use a singleton > > > it's to > > > control access to some resource, the intent is that you use the > singleton > > > and some > > > synchronized calls (note I don't mean synchronized methods, but > synchronized > > > code > > > blocks) to control threads using that resource. > > > > Why could you not use synchronized methods? > > > > > > > > Erik > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > -- Felipe Schnack Analista de Sistemas [EMAIL PROTECTED] Cel.: (51)91287530 Linux Counter #281893 Centro Universitário Ritter dos Reis http://www.ritterdosreis.br [EMAIL PROTECTED] Fone/Fax.: (51)32303341 --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
