From: Jonathan Roewen <jonathan.roewen@gmail.com>
Cc: caml-list@yquem.inria.fr
Subject: Re: [Caml-list] doing MMX through ocaml
Date: Fri, 18 Nov 2005 16:29:24 +1300 [thread overview]
Message-ID: <ad8cfe7e0511171929m22ddf90cle7981c6f8254fc89@mail.gmail.com> (raw)
In-Reply-To: <Pine.LNX.4.63.0511172104210.24132@localhost.localdomain>
> I'm pretty sure you need at least SSE for MPEG. The core function is an
> 8x8 2D FFT. You *might* be able to do in fixed point (and thus in MMX),
> but the SSE version would be a lot easier to get right.
Well, I'd be basing my code on libmpeg2 .. which has an MMX only
optimised version.
Anyways, another question: is int64 boxed? I presume it would be, like
floats. sooo, a 8 char string would be better? And functions to
convert to ints? Since MMX is all 64bit....
Jonathan
next prev parent reply other threads:[~2005-11-18 3:29 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-17 21:13 Jonathan Roewen
2005-11-17 21:47 ` Oliver Bandel
2005-11-17 21:57 ` Jonathan Roewen
2005-11-17 22:16 ` Damien Bobillot
2005-11-17 22:43 ` Daniel Bünzli
2005-11-17 22:55 ` Jonathan Roewen
2005-11-18 1:26 ` Vincenzo Ciancia
2005-11-18 10:04 ` [Caml-list] " Alessandro Baretta
2005-11-17 22:55 ` Damien Bobillot
2005-11-17 23:01 ` Vincenzo Ciancia
2005-11-17 23:49 ` [Caml-list] " Erik de Castro Lopo
2005-11-18 1:52 ` Grégory Guyomarc'h
2005-11-18 3:06 ` Brian Hurt
2005-11-18 3:29 ` Jonathan Roewen [this message]
2005-11-18 19:22 ` Ken Rose
2005-11-21 9:11 ` Sebastian Egner
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