From: "K.Sasada" <ko1@...>
Date: 2004-01-15T23:46:37+09:00
Subject: Re: ruby-dev summary 22435-22573

  Robert Feldt <feldt@ce.chalmers.se> wrote :
    [ Re: ruby-dev summary 22435-22573 ]
    at Thu, 15 Jan 2004 19:55:23 +0900

> Very interesting and a nice way to try out a bytecode-VM core. I get 
> about 21% speed increase with this approach with threaded dispatch and 
> about 24% with direct threaded dispatch compared to Ruby 1.8.1 
> 2003-12-22 (on cygwin) on small benchmarks. I think it's very promising 
> considering the bytecode emitted can probably be optimized quite a lot 
> more. Intriguing!

Yes, I can speed up only 2?% too. To improve performance more, we must
optimize method dispatch(and others).
I tried to introduce the optimization for +/-/< method dispatch, I can
get nice performance improvement about 3 times faster than
ruby interpreter.

Thanks,
-- 
// SASADA Koichi @ namikilab.tuat.ac.jp
//