From: Chad Perrin <perrin@...>
Date: 2006-07-28T14:34:21+09:00
Subject: Re: For performance, write it in C

On Fri, Jul 28, 2006 at 02:32:20PM +0900, Charles O Nutter wrote:
> On 7/28/06, Chad Perrin <perrin@apotheon.com> wrote:
> >
> >Wait . . . what?  When some Java applet (for example) is sent over an
> >HTTP connection to your computer to be executed cient-side, it is NOT
> >just source code.  Similarly, when you install a Java application, it
> >too is NOT simply copied onto the system in source code form.  It's
> >compiled to bytecode (or whatever the hell you want to call it) and
> >distributed thusly, for the JVM to run it.
> >
> 
> Interpretation does not necessarily mean raw source code is being processed.
> Even interpreters parse raw source into a form they can understand.
> Interpretation in the Java VM comes in the form of bytecode interpretation,
> so called because instead of the system CPU running native operations it's
> running another process that steps through the bytecodes. This is what's
> typically called "interpreted mode" in the JVM. However every VM since Java
> 1.3 has taken the next step at run time and compiled that bytecode into
> native processor instructions, so that the interpreter is no longer involved
> for those compiled pieces.
> 
> Bytecode is what's distributed, yes, but it's little more than pre-parsed
> and lightly optimized source code. You can convert it back to source, if you
> like. Your definition of "interpreted" is too narrow.

How do you figure?  You just reiterated, in different words, everything
I said, then held it up as "proof" I'm "wrong".  I think you're
violently agreeing with me, or something, and don't realize it.

-- 
CCD CopyWrite Chad Perrin [ http://ccd.apotheon.org ]
"The ability to quote is a serviceable
substitute for wit." - W. Somerset Maugham