From: Jon Harrop <jon@ffconsultancy.com>
To: caml-list@yquem.inria.fr
Subject: Re: [Caml-list] Ocamlopt x86-32 and SSE2
Date: Mon, 11 May 2009 03:43:40 +0100 [thread overview]
Message-ID: <200905110343.40408.jon@ffconsultancy.com> (raw)
In-Reply-To: <87eiuxuslu.fsf@pat35-1-82-229-60-210.fbx.proxad.net>
On Sunday 10 May 2009 12:04:13 David MENTRE wrote:
> Regarding option 2, I assume that byte-code would still work on i386
> pre-SSE2 machines? So OCaml programs would still work on those machines.
>
> As far as I know, one is using ocamlopt to improve performance. I can't
> think of any case where one would need native code running on pre-SS2
> machines which are so outdated performance-wise.
>
> So I would vote for option 2: always use SSE2 float arithmetic.
Note that you can use the same argument to justify not optimizing the x86
backend because power users should be using the (much more performant) x64
code gen.
--
Dr Jon Harrop, Flying Frog Consultancy Ltd.
http://www.ffconsultancy.com/?e
next prev parent reply other threads:[~2009-05-11 1:36 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-28 19:36 Ocamlopt code generator question Dmitry Bely
[not found] ` <m27i13tofi.fsf@Pythagorion.local.i-did-not-set--mail-host-address--so-tickle-me>
2009-04-29 16:50 ` Dmitry Bely
2009-04-29 20:04 ` Jeffrey Scofield
2009-05-05 9:24 ` [Caml-list] " Xavier Leroy
2009-05-05 9:41 ` Dmitry Bely
2009-05-05 14:15 ` Jean-Marc Eber
2009-05-05 14:58 ` Sylvain Le Gall
2009-05-05 15:21 ` [Caml-list] " David Allsopp
2009-05-05 15:59 ` Dmitry Bely
[not found] ` <4A006410.8000205@lexifi.com>
2009-05-05 16:26 ` Dmitry Bely
2009-05-05 15:14 ` [Caml-list] " Jon Harrop
2009-05-08 10:21 ` [Caml-list] Ocamlopt x86-32 and SSE2 Xavier Leroy
2009-05-10 11:04 ` David MENTRE
2009-05-11 2:43 ` Jon Harrop [this message]
2009-05-11 3:43 ` Stefan Monnier
2009-05-11 5:38 ` [Caml-list] " Jon Harrop
2009-05-10 23:12 ` [Caml-list] " Matteo Frigo
2009-05-11 2:45 ` Jon Harrop
2009-05-11 7:55 ` Dmitry Bely
[not found] <20090509100004.353ADBC5C@yquem.inria.fr>
2009-05-09 11:38 ` CUOQ Pascal
2009-05-10 1:52 ` [Caml-list] " Goswin von Brederlow
2009-05-10 2:16 ` Seo Sanghyeon
2009-05-10 3:50 ` Jon Harrop
2009-05-11 8:05 ` Dmitry Bely
2009-05-11 9:26 ` Jon Harrop
2009-05-11 8:43 ` Dmitry Bely
2009-05-11 13:47 ` Jon Harrop
2009-05-11 9:12 ` Andrey Riabushenko
2009-05-10 8:56 ` CUOQ Pascal
2009-05-10 14:47 ` [Caml-list] " Richard Jones
2009-05-10 19:25 ` Florian Weimer
[not found] <20090511043120.976EBBC67@yquem.inria.fr>
2009-05-11 7:10 ` Pascal Cuoq
2009-05-12 9:37 ` [Caml-list] " Xavier Leroy
2009-05-12 12:40 ` Richard Jones
2009-05-13 22:30 ` Florian Weimer
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