From owner-freebsd-questions@freebsd.org Thu Aug 27 22:01:51 2015 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 352469C3976 for ; Thu, 27 Aug 2015 22:01:51 +0000 (UTC) (envelope-from rwmaillists@googlemail.com) Received: from mail-wi0-x231.google.com (mail-wi0-x231.google.com [IPv6:2a00:1450:400c:c05::231]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id C1807134A for ; Thu, 27 Aug 2015 22:01:50 +0000 (UTC) (envelope-from rwmaillists@googlemail.com) Received: by wicne3 with SMTP id ne3so4749654wic.0 for ; Thu, 27 Aug 2015 15:01:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=20120113; h=date:from:to:subject:message-id:in-reply-to:references:mime-version :content-type:content-transfer-encoding; bh=We7dmIJVlLvx8bbzDHASIgJ2R+5qO4AYsIttezoLHdM=; b=QdsouqVc5VUvltdwnUNsXrTCHTx5gkUX49GEk+mPAoDxWL7Ksb7PqKG6O/O+L5Ok22 VvnF0ixJZn+OYOZFKr3uSNq46zAKj4dmmMc4mIWnhdxVYeq6cqmAG9WifFQEFyqrrBZF CUBWgpL9+/oWCf0BILqOxw/uZkuQss3zw3bzK4BCQUSa7eR+ChdDg6G9e3GaIEXvINZ9 A9VnMQIl5jIcdGWd7gnbpp65IXRCMju3OoqzelzhA+SOFtPOs/w4F6Yni1j+shLR1PDa ZpTTW02EfriDgUnqGsHUe79N30bN2pu1ciLxERjlI72QHi8uO91zmSFhxbe1pBBvM+VU Pgfg== X-Received: by 10.180.103.69 with SMTP id fu5mr661617wib.95.1440712909333; Thu, 27 Aug 2015 15:01:49 -0700 (PDT) Received: from gumby.homeunix.com ([2.217.169.2]) by smtp.gmail.com with ESMTPSA id p3sm699731wib.16.2015.08.27.15.01.47 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 27 Aug 2015 15:01:48 -0700 (PDT) Date: Thu, 27 Aug 2015 23:01:45 +0100 From: RW To: freebsd-questions@freebsd.org Subject: Re: AMD A series support Message-ID: <20150827230145.6c6c107f@gumby.homeunix.com> In-Reply-To: References: <6500ec392ffb900738af2a50cc28d06f@mail.d2ux.org> X-Mailer: Claws Mail 3.12.0 (GTK+ 2.24.28; amd64-portbld-freebsd10.0) MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 27 Aug 2015 22:01:51 -0000 On Thu, 27 Aug 2015 17:38:47 +0200 Fernando Apestegu=EDa wrote: > I Googled this question and found some information that suggest that > the OS needs to support this. This project is an example: >=20 > https://github.com/HSAFoundation/HSA-Drivers-Linux-AMD That also needs support in the application. You can't just run ordinary pthreads or processes on a GPU. I doubt there's much that would use it, even if it had support in the kernel.=20 > Other interesting links: > https://community.amd.com/message/1308713#1308713 > https://community.amd.com/message/1306778#1306778 These appear to be about support for the GPUs as ordinary graphics devices. This is what you should be concerned about.