Parrot and GCC (Was: Re: Perl, Python and noo perl SEC: UNCLASSIFIED)
scouter at bigpond.net.au
Sun Apr 7 23:03:15 EST 2002
Alex Satrapa <grail at goldweb.com.au> wrote:
> GCJ provides a library that effectively emulates the JVM. GCJ
> more-or-less provides before-time compilation (I can't believe that
> people get so excited about JIT)
1) JIT compiling can take advantage of run-time profiling, and optimise
only the bits of code that really matter.
1a) The JIT compiler knows more, in theory, about the environment in
which your code is running than your compiler knows ahead of time.
2) Advances in JIT techniques can be used immediately, without
recompiling your class files.
3) The byte code is still portable; GCJ compiled programs are not.
Sam "Eddie" Couter | mailto:scouter at bigpond.net.au
Debian Developer | mailto:eddie at debian.org
| jabber:sam at jabber.topic.com.au
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