Hi,

At Thu, 2 Jan 2003 09:57:54 +0900,
Philip Mak wrote:
> Is it possible to substantially increase Ruby's execution speed by
> compiling it to an EXE file?

There were rb2c (ruby to C translator) and rbjit (ruby JIT),
but they've not been maintained so long.

> I think I heard about a project somewhere that's like Jython, which
> can compile Ruby to Java bytecode. If that exists, then, one could
> compile the Java bytecode to an optimized native executable using GCJ
> or another commercial Java bytecode to EXE tool.

AFAIK, Jython is an implementation of Python by Java, and
doesn't compile the source to bytecode.  Also JRuby is similar.

-- 
Nobu Nakada