From: Christophe TROESTLER <Christophe.Troestler@umh.ac.be>
To: "O'Caml Mailing List" <caml-list@inria.fr>
Subject: Re: [Caml-list] [Benchmark] NBody
Date: Sun, 13 Feb 2005 19:13:53 +0100 (CET) [thread overview]
Message-ID: <20050213.191353.47433614.Christophe.Troestler@umh.ac.be> (raw)
In-Reply-To: <20050208104312.GA10035@yquem.inria.fr>
Hi,
Sorry for the late reply, I am catching up with email.
On Tue, 8 Feb 2005, Xavier Leroy <Xavier.Leroy@inria.fr> wrote:
>
> Your OCaml code is about as good as you can write. All the unboxing
> optimizations are triggered.
Ah, thanks for telling, I was wondering about that.
> You don't say which Java implementation you used (there are several).
Sorry; Sun JDK 1.5.0.
> (Besides, being 1.3 times slower than gcc on numerical code is
> within the design envelope for OCaml. My performance goals have
> always been "never more than twice as slow as C".)
Yes. I am not complaining, just trying to understand (and, to say the
whole truth, I was also a bit "sad" that Java was beating my favorite
language :).
> On a "normal" (register-based) float architecture like PowerPC or
> x86_64, the OCaml-generated code is essentially identical to the
> gcc-generated one.
Oh, good, so going to 64 bits will bring us that too!
> The C translation is attached for your amusement.
Thanks for your very detailed and informative answer!
Best regards,
ChriS
next prev parent reply other threads:[~2005-02-13 18:15 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-07 18:57 Christophe TROESTLER
2005-02-07 19:16 ` [Caml-list] " Will M. Farr
2005-02-07 19:36 ` Christophe TROESTLER
2005-02-07 19:55 ` Will M. Farr
2005-02-08 10:34 ` Olivier Andrieu
2005-02-08 10:52 ` Micha
2005-02-07 20:16 ` Markus Mottl
2005-02-07 19:37 ` Martin Jambon
2005-02-07 19:46 ` Christophe TROESTLER
2005-02-07 20:22 ` Martin Jambon
2005-02-07 20:04 ` sejourne_kevin
2005-02-07 20:32 ` Robert Roessler
2005-02-07 22:57 ` Oliver Bandel
2005-02-08 1:29 ` skaller
2005-02-08 1:48 ` Will M. Farr
2005-02-08 9:01 ` Ville-Pertti Keinonen
2005-02-08 9:37 ` skaller
2005-02-08 10:10 ` Ville-Pertti Keinonen
2005-02-08 16:36 ` skaller
2005-02-08 12:04 ` Marcin 'Qrczak' Kowalczyk
2005-02-08 17:06 ` skaller
2005-02-08 10:25 ` Xavier Leroy
2005-02-08 18:34 ` skaller
2005-02-08 10:43 ` Xavier Leroy
2005-02-08 11:26 ` Ville-Pertti Keinonen
2005-02-08 15:59 ` Florian Hars
2005-02-13 16:40 ` Christoph Bauer
2005-02-13 18:13 ` Christophe TROESTLER [this message]
2005-02-24 22:18 ` NBody (one more question) Christophe TROESTLER
2005-02-25 17:06 ` [Caml-list] " John Carr
2005-02-25 17:17 ` Christophe TROESTLER
2005-02-26 16:08 ` John Carr
2005-02-25 17:24 ` Ken Rose
2005-02-25 17:42 ` Oliver Bandel
2005-02-25 17:57 ` Xavier Leroy
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