Paulo Gaspar wrote:
>
> Ok, just before going to sleep... I am wondering if a global cache would
> be so bad...
>
> I will dream with it, play with it, make some performance tests and,
> after the home work done, I might agree with you...
>
> ...but before that I am still wondering.
> =;o)
Its mostly a free world. Enjoy.
geir
> Paulo
>
> > -----Original Message-----
> > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On
> > Behalf Of Geir Magnusson Jr.
> >
> > > > This icache stuff isn't global. You understand that, right?
> > > >
> > > > geir
> > >
> > > Why not?
> > > =:o)
> > >
> > > Paulo
> >
> > Reviewing the code should help with that one, but the basic idea is that
> > a template in AST form can be shared by multiple thread, each with a
> > different set of data in the contexts used byt those threads. Since the
> > information that we are caching is therefore specific to the context, a
> > global cache makes no sense. You could make some kind of thread local
> > storage, or a central caching resource that expires stuff etc, etc,, but
> > there was no need for that kind of machinery. Yes, there is a global
> > introspector cache (which we don't actually use in Foreach now with the
> > latest changes), but once we do the expensive 'instanceof' (or before,
> > once we do the expensive and potentially blocking introspection), there
> > is no need to keep doing that. Hence, the cache. Results in quite a
> > performance improvement.
> >
> > geir
--
Geir Magnusson Jr. [EMAIL PROTECTED]
Velocity : it's not just a good idea. It should be the law.
http://jakarta.apache.org/velocity
