Re: EXE without JVM

From:
"Andrew Thompson" <u32984@uwe>
Newsgroups:
comp.lang.java.programmer
Date:
Tue, 15 May 2007 13:53:41 GMT
Message-ID:
<72372a5375b4a@uwe>
Petomarmitta wrote:

Andrew Thompson ha scritto:

...

I found this: http://schmidt.devlib.org/java/native-compilers.html


Perhaps you should read it again.

Seems a compiled runs faster than an VM-pass-through...


Seems (to quote from the page)..
"Higher execution speed. Actually, that is not guaranteed, it
depends largely on the application type, the *system* *environment*,
the way a particular solution was coded etc. You must do a lot
of testing to find out if your code benefits from native execution."

OK - so let's imagine you've completed that process for a
single configuration of one system environment. You might
end up with native code that is 5% faster in that environment.
What about the next PC (with a slightly different config.), or
the one after that, or the ten others down the hall, or..

It is best left to the JVM to do optimisations, because,
as I have mentioned before in this thread, it can do
them at run-time - depending on the machine and the
execution environment as it exists at that moment.

--
Andrew Thompson
http://www.athompson.info/andrew/

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