From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 18432 invoked by alias); 5 Nov 2014 14:56:23 -0000 Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org Received: (qmail 18423 invoked by uid 89); 5 Nov 2014 14:56:23 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.3 required=5.0 tests=AWL,BAYES_00,RP_MATCHES_RCVD autolearn=ham version=3.3.2 X-HELO: mx2.suse.de Received: from cantor2.suse.de (HELO mx2.suse.de) (195.135.220.15) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (CAMELLIA256-SHA encrypted) ESMTPS; Wed, 05 Nov 2014 14:56:22 +0000 Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id E0849AD35; Wed, 5 Nov 2014 14:56:18 +0000 (UTC) Date: Wed, 05 Nov 2014 14:56:00 -0000 From: Michael Matz To: Jeff Law cc: Bernd Schmidt , GCC Patches Subject: Re: nvptx offloading patches [1/n] In-Reply-To: <54593E9D.7060400@redhat.com> Message-ID: References: <5454C84A.5090000@codesourcery.com> <54580027.4050107@redhat.com> <54580A97.1070502@codesourcery.com> <54593E9D.7060400@redhat.com> User-Agent: Alpine 2.00 (LNX 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-IsSubscribed: yes X-SW-Source: 2014-11/txt/msg00319.txt.bz2 Hi, On Tue, 4 Nov 2014, Jeff Law wrote: > They still need to agree on the layout of the structure. And assuming > it'll always be memcpy perhaps isn't wise. Consider the possibility > that one day (perhaps soon) the host and GPU may share address space & > memory. Not only soon, there is already hardware out that does exactly that. HSA. Ciao, Michael.