From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Original-To: caml-list@yquem.inria.fr Delivered-To: caml-list@yquem.inria.fr Received: from concorde.inria.fr (concorde.inria.fr [192.93.2.39]) by yquem.inria.fr (Postfix) with ESMTP id 147E7BB9C for ; Fri, 18 Nov 2005 00:49:38 +0100 (CET) Received: from smtp2.syd.swiftdsl.com.au (smtp2.syd.swiftdsl.com.au [218.214.225.98]) by concorde.inria.fr (8.13.0/8.13.0) with SMTP id jAHNnY4u025565 for ; Fri, 18 Nov 2005 00:49:36 +0100 Received: (qmail 28812 invoked from network); 17 Nov 2005 23:49:34 -0000 Received: from unknown (HELO coltrane.mega-nerd.net) (218.214.64.136) by smtp2.syd.swiftdsl.com.au with SMTP; 17 Nov 2005 23:49:34 -0000 Received: from coltrane (localhost [127.0.0.1]) by coltrane.mega-nerd.net (Postfix) with SMTP id D2BC57B68 for ; Fri, 18 Nov 2005 10:49:27 +1100 (EST) Date: Fri, 18 Nov 2005 10:49:26 +1100 From: Erik de Castro Lopo To: caml-list@yquem.inria.fr Subject: Re: [Caml-list] doing MMX through ocaml Message-Id: <20051118104926.3d9ffdc0.ocaml-erikd@mega-nerd.com> In-Reply-To: References: Organization: Erik Conspiracy Secret Labs X-Mailer: Sylpheed version 2.0.0 (GTK+ 2.6.10; i486-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Miltered: at concorde with ID 437D170E.001 by Joe's j-chkmail (http://j-chkmail.ensmp.fr)! X-Spam: no; 0.00; caml-list:01 ocaml:01 integers:01 val:01 val:01 cruel:98 dogs:98 wrote:01 macros:01 implemented:02 floats:02 floats:02 latter:03 erik:04 erik:04 X-Spam-Checker-Version: SpamAssassin 3.0.3 (2005-04-27) on yquem.inria.fr X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=disabled version=3.0.3 Jonathan Roewen wrote: > And since MMX deals solely with integers, the Val_long/Long_val macros > could be implemented by a simple extra MMX instruction or two, right? All Pentium III and later processors have the SSE instruction set which is like MMX, but for 32 bit floats. Pentium IV and latter also has SSE2 which is 64 bit floats. Personally, I find SSE and SSe2 far more interesting than MMX. Erik -- +-----------------------------------------------------------+ Erik de Castro Lopo +-----------------------------------------------------------+ "The music business is a cruel and shallow money trench, a long plastic hallway where thieves and pimps run free, and good men die like dogs. There's also a negative side." -- Hunter S. Thompson