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=1.1 required=5.0 tests=AWL,SPF_NEUTRAL autolearn=disabled version=3.1.3 Received: from discorde.inria.fr (discorde.inria.fr [192.93.2.38]) by yquem.inria.fr (Postfix) with ESMTP id BBD07BC6B for ; Thu, 6 Sep 2007 16:55:25 +0200 (CEST) Received: from nz-out-0506.google.com (nz-out-0506.google.com [64.233.162.232]) by discorde.inria.fr (8.13.6/8.13.6) with ESMTP id l86EtOH8001046 for ; Thu, 6 Sep 2007 16:55:25 +0200 Received: by nz-out-0506.google.com with SMTP id z3so127482nzf for ; Thu, 06 Sep 2007 07:55:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; bh=ExFLLftLHDSNSMICqrMIgwPol1v3/XUOCZUT03cBqGs=; b=EfeRktmYzWO+N4Qxe9wJPKYnqKYtgYkK1WJFkFc5OiBgfv16rUDNqfw0aJHcVpMze3kAyCf0328/ay6hTdRvcxTB95bTI00a+v4WHwR/uPAMM1f3pcFPgVjS8Yga1/uADoy6dgsbOBULKKaR8k19T0lTUXD9ASE1JXNDuShxxr8= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=HmiQ1U1ToR9k1Gvc9WqsJd/jbI/5YO1YvyQiFxrv+0+re9xSQrflfcTREP2eG78oBFiDdZ7Y/T+w6GP8YFicNs5VI+MHS0TnRYK+A/7tTY45q15r0t0i4INhb6OEy9GGDh5gT07oHOp/wX/WeY6ZL5gyA0w95xiepx8GE1UpI8E= Received: by 10.114.37.1 with SMTP id k1mr5544wak.1189090520602; Thu, 06 Sep 2007 07:55:20 -0700 (PDT) Received: by 10.114.203.16 with HTTP; Thu, 6 Sep 2007 07:55:20 -0700 (PDT) Message-ID: <875c7e070709060755r1d0d099ds30a25ea78d0fd85a@mail.gmail.com> Date: Thu, 6 Sep 2007 10:55:20 -0400 From: "Chris King" To: Tom Subject: Re: [Caml-list] More registers in modern day CPUs Cc: "Caml-list List" In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: X-j-chkmail-Score: MSGID : 46E014DC.003 on discorde : j-chkmail score : X : 0/20 1 0.000 -> 1 X-Miltered: at discorde with ID 46E014DC.003 by Joe's j-chkmail (http://j-chkmail . ensmp . fr)! X-Spam: no; 0.00; wrote:01 caml-list:01 emulate:01 chris:06 chris:06 feasible:07 quite:08 registers:08 registers:08 memory:09 accessing:12 however:13 but:14 enough:14 wonder:14 On 9/6/07, Tom wrote: > However, would it be possible to "emulate" cpu registers using software? By > keeping registers in the main memory, but accessing them often enough to > keep them in primary cache? That would be quite fast I believe... This makes me wonder... why have registers to begin with? I wonder how feasible a chip with a, say, 256-byte "register-level" cache would be. - Chris