This does not really answer Ken's question, does it ?

2011/8/25 Paulo Pinto <paulo.jpi...@gmail.com>

> invokedynamic reduces drastically the lookup times you require in
> dynamic languages. The JVM and JIT understand what you are trying
> to do and can optimize the invocation.
>
> Currently all dynamic languages targeting the JVM generate code
> that cannot be easily optimized by the JVM before invokedynamic
> was available.
>
> --
> Paulo
>
> On Aug 25, 9:59 am, Ken Wesson <kwess...@gmail.com> wrote:
> > On Thu, Aug 25, 2011 at 2:49 AM, Tal Liron <tal.li...@gmail.com> wrote:
> > > Hey folks,
> >
> > > I just want to reassure y'all that I am working on this. It took a
> while to
> > > create a test environment: one of the challenges of using invokedynamic
> is
> > > that the Java language does not support it; so the best way to test
> right
> > > now is with ASM 4.0, which is still not officially released.
> Documentation
> > > on the opcode is also somewhat scattered, and mostly out of date, since
> > > JSR-292 has changed quite a bit until the final release. The JRuby folk
> are
> > > definitely at the cutting edge of this right (well, after all, JRuby's
> John
> > > Rose is the key mover and architect behind the JSR), and I'm trying to
> learn
> > > from their implementation. Right now I'm working on a code tree outside
> the
> > > main Clojure source, and once that seems to work, I will try to merge
> it
> > > into a branch.
> >
> > > So, it's not *quite* as easy as I hoped, but I still think it will be
> much
> > > easier to use invokedynamic in Clojure than in JRuby.
> >
> > > I'll keep the mailing list updated on my (slow) progress, and will
> > > definitely make the code public once it becomes ... presentable.
> >
> > Just out of curiosity, what will this actually enable? Optimizations?
> > What can we expect might perform faster -- calling closures?
> > Functional function-calls such as map, reduce, etc.? Multimethods,
> > protocols, and things like that?
> >
> > --
> > Protege: What is this seething mass of parentheses?!
> > Master: Your father's Lisp REPL. This is the language of a true
> > hacker. Not as clumsy or random as C++; a language for a more
> > civilized age.
>
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