From: Falk Hueffner <falk.hueffner@student.uni-tuebingen.de>
To: OCaml List <caml-list@inria.fr>
Subject: Re: [Caml-list] DFT in OCaml vs. C
Date: 27 Mar 2003 15:55:19 +0100 [thread overview]
Message-ID: <877kakkgfc.fsf@student.uni-tuebingen.de> (raw)
In-Reply-To: <20030327153247.A5015@pauillac.inria.fr>
Xavier Leroy <xavier.leroy@inria.fr> writes:
> It can be done, but not on a Pentium 3. Here are my timings:
>
> Pentium 4 Pentium 4 SSE2 Alpha 21264
> (2 GHz) (2 GHz) (500 MHz)
>
> C 20 20 36
> OCaml (your code) 113 40 52
> OCaml (variant 1) 90 26 40
> OCaml (variant 2) 72 38 100
Hmm, on an Alpha with 800 MHz, I measured 25 seconds C versus 69
seconds Ocaml, i. e. a factor of 2.8 instead of 1.4... does your
version contain optimizations for non-i386, too? I'm using 3.06.
--
Falk
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next prev parent reply other threads:[~2003-03-27 14:55 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-03-27 7:33 Issac Trotts
2003-03-27 10:58 ` Fabrice Le Fessant
2003-03-27 19:40 ` Issac Trotts
2003-03-27 14:21 ` Markus Mottl
2003-03-27 20:47 ` Issac Trotts
2003-03-27 14:32 ` Xavier Leroy
2003-03-27 14:55 ` Falk Hueffner [this message]
2003-03-27 16:06 ` OCaml performance (was: Re: [Caml-list] DFT in OCaml vs. C) David Monniaux
2003-03-27 21:27 ` Issac Trotts
2003-03-27 20:54 ` [Caml-list] DFT in OCaml vs. C Issac Trotts
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