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Date:      Sat, 1 Sep 2018 12:14:34 -0500
From:      Valeri Galtsev <galtsev@kicp.uchicago.edu>
To:        freebsd-questions@freebsd.org
Subject:   Re: FreeBSD OpenCL/CUDA nVidia
Message-ID:  <28ac238b-1d8b-f26b-878f-ff350495a865@kicp.uchicago.edu>
In-Reply-To: <20180901163417.17958691bbdf6b85168ead16@sohara.org>
References:  <CAFYkXj=vMHsd6YXTEWhLvH7Xz4L6UwdfrFWqRj0rj4rS7UtE5Q@mail.gmail.com> <CABHD1wTN9gzQbfURNGqsqEv36QYQh60EZvNFzNO4c-X47G_sPw@mail.gmail.com> <CAFYkXjnBWjwUfiOFbqARrX9HNpJRWVEiSsHcC79Yd7Ec75QOBQ@mail.gmail.com> <SN1PR20MB210901AA55C18138EB2206B5800E0@SN1PR20MB2109.namprd20.prod.outlook.com> <20180901163417.17958691bbdf6b85168ead16@sohara.org>

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On 9/1/18 10:34 AM, Steve O'Hara-Smith wrote:
> On Sat, 1 Sep 2018 14:54:26 +0000
> Carmel NY <carmel_ny@outlook.com> wrote:
> 
>> I don't believe that is a correct interpretation of the problem. Several
>> years ago, FreeBSD was unable to support nVidia's 64 bit drivers.
> 
> 	You have it backwards - nVidia's drivers come from nVidia they
> choose what platforms to write drivers for, how often to update them and
> what features to support on each platform. They naturally prioritise the
> platforms that lead to the most sales - which would be Windows (several
> versions for different versions of Windows) then Linux then FreeBSD.
> 
> 	If memory serves correctly FreeBSD originally supported running
> nVidia's 32 bit Linux drivers with the aid of the linux emulation layer. It
> was some time before FreeBSD had a 64 bit Linux emulation layer. Nothing to
> do with supporting nVidia products, everything to do with supporting Linux
> ABIs. Now nVidia provide FreeBSD drivers so there's little incentive to
> consider running the Linux drivers under emulation.
> 
>> A far more easily implemented plan would be for the FreeBSD developers to
>> pin point exactly what FreeBSD needs to do to become fully compatible
>> with nVidia products.
> 
> 	nVidia make products for several versions of Windows, Linux and
> FreeBSD these drivers are all different and tailored to their targets by
> nVidia with the help of the OS makers in each case. There's no such thing
> as "fully compatible with nVidia products", it's not as though Windows and
> Linux run the same drivers.
> 

Thanks, Steve, I second that. I didn't see your reply when few seconds 
ago I replied with somewhat similar (though much angrier, as wrong 
things really set me off) post.

Valeri

-- 
++++++++++++++++++++++++++++++++++++++++
Valeri Galtsev
Sr System Administrator
Department of Astronomy and Astrophysics
Kavli Institute for Cosmological Physics
University of Chicago
Phone: 773-702-4247
++++++++++++++++++++++++++++++++++++++++



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