From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on yquem.inria.fr X-Spam-Level: X-Spam-Status: No, score=0.8 required=5.0 tests=AWL,SPF_FAIL autolearn=disabled version=3.1.3 X-Original-To: caml-list@yquem.inria.fr Delivered-To: caml-list@yquem.inria.fr Received: from mail4-relais-sop.national.inria.fr (mail4-relais-sop.national.inria.fr [192.134.164.105]) by yquem.inria.fr (Postfix) with ESMTP id 3A05ABC37 for ; Mon, 28 Sep 2009 11:18:32 +0200 (CEST) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Am4EAGwcwEpQRFuwWWdsb2JhbACaeQEUFwS5E4QeBQ X-IronPort-AV: E=Sophos;i="4.44,465,1249250400"; d="scan'208";a="47417464" Received: from furbychan.cocan.org ([80.68.91.176]) by mail4-smtp-sop.national.inria.fr with ESMTP; 28 Sep 2009 11:18:31 +0200 Received: from rich by furbychan.cocan.org with local (Exim 4.63) (envelope-from ) id 1MsCNJ-0002RI-VT; Mon, 28 Sep 2009 10:18:29 +0100 Date: Mon, 28 Sep 2009 10:18:29 +0100 To: David McClain Cc: caml-list@inria.fr Subject: Re: [Caml-list] HLVM... Message-ID: <20090928091829.GA9193@annexia.org> References: <2084D077-4ACC-4054-9DFF-A4B23F76BA31@refined-audiometrics.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2084D077-4ACC-4054-9DFF-A4B23F76BA31@refined-audiometrics.com> User-Agent: Mutt/1.5.13 (2006-08-11) From: Richard Jones X-Spam: no; 0.00; integers:01 transitions:01 2009:98 wrote:01 caml-list:01 arithmetic:01 explicitly:02 native:03 overflow:03 implicitly:05 converting:05 sep:06 thread:06 thread:06 modulo:07 On Sun, Sep 27, 2009 at 03:09:02PM -0700, David McClain wrote: > ... remember too, in signal and image processing applications, > converting to raw machine integers and plowing ahead is often > counterproductive. > > Rather we need saturating arithmetic to avoid abrupt transitions on > overflow conditions, or modulo addressing. Neither of these is native > to SSM, and have to be synthesized. DSP chips on the other hand almost > always offer these variations implicitly or explicitly. Please confine messages about HLVM to one thread, and don't start a new thread for every message you post. Rich. -- Richard Jones Red Hat