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From: "Yuanchen Zhu" <yzhu@fas.harvard.edu>
To: caml-list@yquem.inria.fr
Subject: Re: [Caml-list] Comparison of OCaml and MLton for numerics
Date: Thu, 31 May 2007 17:24:10 +0800	[thread overview]
Message-ID: <5195a210705310224l3e92e17m6925a4a19a446c61@mail.gmail.com> (raw)
In-Reply-To: <200705311008.16662.jon@ffconsultancy.com>

> > > As I can autogenerate my code, I would much rather the OCaml developers
> > > concentrated on things that I cannot get around, like the lack of a
> > > 32-bit float storage type and a more efficient internal representation of
> > > complex numbers.
> >
> > That sounds very interesting. Could you elaborate or give an example?
>
> Complex numbers are unboxed in OCaml. If they were equivalent to a C struct
> then performance would be much better.
>
> OCaml only handles 64-bit floats because there is no point in computing with
> 32-bit floats any more. However, there is point in storing 32-bit floats as,
> when you have a lot of them, your program uses half as much heap and is twice
> as cache coherent. My ray tracer is an excellent example of a program that
> can benefit from this.
>

Umm sorry. I mean the autogeneration part.


  parent reply	other threads:[~2007-05-31  9:24 UTC|newest]

Thread overview: 71+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-05-31  5:50 Yuanchen Zhu
2007-05-31  6:17 ` [Caml-list] " Jon Harrop
2007-05-31  6:32   ` skaller
2007-05-31  7:31   ` Yuanchen Zhu
2007-05-31  9:08     ` Jon Harrop
2007-05-31  9:22       ` Yuanchen Zhu
2007-05-31 10:27         ` Jon Harrop
2007-05-31 21:30           ` Alain Frisch
2007-06-01  1:22             ` skaller
2007-06-01  1:36               ` Erik de Castro Lopo
2007-06-01  2:21                 ` skaller
2007-06-01  2:49                   ` Erick Tryzelaar
2007-06-01  3:05                     ` skaller
2007-06-01  5:30               ` Alain Frisch
2007-06-01  5:39                 ` Jon Harrop
2007-06-01  6:36                   ` Yuanchen Zhu
2007-06-01  8:09                 ` skaller
2007-06-01  8:53                   ` Richard Jones
2007-06-01  8:59                     ` Richard Jones
2007-06-01  9:22                       ` Stephan Tolksdorf
2007-06-01  9:49                         ` Richard Jones
2007-06-01  9:32                       ` Stephan Tolksdorf
2007-06-01 10:02                     ` skaller
2007-06-01 11:29                 ` Yaron Minsky
2007-06-01 11:43                   ` Erik de Castro Lopo
2007-06-01 11:58                     ` Jon Harrop
2007-06-01 13:49                       ` Julien Signoles
2007-06-01 14:18                         ` Stephen Weeks
2007-06-01 14:43                           ` Julien Signoles
2007-06-01 14:57                           ` Brian Hurt
2007-06-01 15:40                             ` Alain Frisch
2007-06-01 15:58                               ` Brian Hurt
2007-06-01 16:25                                 ` Markus Mottl
2007-06-01 16:47                               ` Jon Harrop
2007-06-01 23:26                             ` skaller
2007-06-01 23:49                               ` Brian Hurt
2007-06-02  3:26                                 ` skaller
2007-06-01 12:40                     ` Erik de Castro Lopo
2007-06-01 13:56                       ` Julien Signoles
2007-06-01 11:49                   ` David MENTRE
2007-06-01 14:41                     ` skaller
2007-06-01 16:52                       ` Jon Harrop
2007-06-01 23:33                         ` skaller
2007-06-01 16:14                     ` Markus Mottl
2007-06-01 16:46                       ` Jon Harrop
2007-06-01 17:13                       ` Jon Harrop
2007-06-04 14:03                         ` Mike Furr
2007-06-04 14:39                           ` Jon Harrop
2007-06-04 15:33                             ` Mike Furr
2007-06-04 18:08                             ` skaller
     [not found]                               ` <9d3ec8300706041518y115d22bdsa120d4010261d841@mail.gmail.com>
2007-06-04 22:19                                 ` Fwd: " Till Varoquaux
2007-06-04 23:40                                   ` Jon Harrop
2007-06-05  2:24                                   ` skaller
2007-06-04 22:44                               ` Pierre Etchemaïté
2007-06-05  1:42                                 ` Jon Harrop
2007-06-05 10:30                                   ` Jon Harrop
2007-06-10 12:10                           ` Jon Harrop
2007-06-10 12:58                             ` skaller
2007-06-01 14:15                 ` Stephen Weeks
2007-06-01 14:37                   ` Brian Hurt
2007-06-01 14:39                   ` Eric Cooper
2007-05-31  9:24       ` Yuanchen Zhu [this message]
2007-05-31 10:25       ` Loup Vaillant
2007-05-31 10:30         ` Jon Harrop
2007-05-31 12:12     ` skaller
2007-05-31  7:11 ` Daniel Bünzli
2007-05-31 15:15 ` Christophe Raffalli
2007-05-31 15:23   ` Jon Harrop
2007-05-31 15:35     ` Christophe Raffalli
     [not found]       ` <604682010705310923o5a1ee0eiee5ae697da9d3c60@mail.gmail.com>
2007-05-31 20:14         ` Stephen Weeks
2007-05-31 15:16 ` Christophe Raffalli

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