From owner-freebsd-questions@freebsd.org Thu Dec 14 02:43:04 2017 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 7ABD3E9020B for ; Thu, 14 Dec 2017 02:43:04 +0000 (UTC) (envelope-from gurenchan@gmail.com) Received: from mail-it0-x230.google.com (mail-it0-x230.google.com [IPv6:2607:f8b0:4001:c0b::230]) (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 3E1F86E5FC for ; Thu, 14 Dec 2017 02:43:04 +0000 (UTC) (envelope-from gurenchan@gmail.com) Received: by mail-it0-x230.google.com with SMTP id r6so7616142itr.3 for ; Wed, 13 Dec 2017 18:43:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=vVz8jPBy9TvqIIB8h07/yhKHSUMZKLg9p8oDyIswX5s=; b=U9H9r9Ks13tUPxTf84JaQGuVbB1L/jtJvKdMhR3psrMo7+A4VYb59LaPIF+G26pmuO zJH56VM0NJPqOAsg2j9eoyl7SZRoZG6ljFOoqEYuTrzsXIOdzab4bSRNXYSWBoTKWH5Z Q2l/Jsf95r7hAKBNyJEcQSQupX7WcPSLch6SnvNHdkSZXLyqJbO2VuU3jaTXgEFCsiTc Y2rR1orNfW9aSskukgbirzyL2R5/8WjNM+T+1PT4MIU4lB/+hJprTvwYlN7zo254IroD 8r7TDm8RnvBqx8EJqATI+AuiMcIwQKBupMl6S0gEkH00e8iyc9aQSmjdE/7HZ63YzXqi aW/A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=vVz8jPBy9TvqIIB8h07/yhKHSUMZKLg9p8oDyIswX5s=; b=OL0AW0bGMQubjoAUpzidAFlp2Ko6Iu336woy4ooKGcLWj9APn5KJvGTPPOAzIjsYGj ejlC3RumgcA+BcNA3IuQQQZa3R5U0DfzdEiic0rV9JzG4IAslIqMdSHOqztCQzQyso83 Cbf1kvBGlgSDpu6/fHlgMm+GCBdDu4siOIAgY2VTOrbvRhYJ7HI1wOQwgKb+Xf3oK3n9 MIT9SHsQ3Y4oG5yrMicojtIsaeho+uYGpRruJK5Pr1GaME9oHl99salUNy/DdYTQvAWy Q9yj4ROkMWR61SE3kNjlW+AAHXFR5nbfmj0TvEWReepLorXLfva5jJXrSdDtBhWE85bO AcRg== X-Gm-Message-State: AKGB3mKtm6FSz0dnWRI6gDc8b90MhN2xxoxQhiKaMiUxnLD2lY11GM3N J00FXuYCfrRKZus762JrYpUjRUOZmTF3fK8pvsFaxA== X-Google-Smtp-Source: ACJfBosyWVpHbOMDKgc8o/Ds9uz/N+39oi/pRhIqMDGKy4GtxLWmfIGTh5jYBaUl8ha3cG99InErfDgIDB2poUW37+E= X-Received: by 10.36.151.198 with SMTP id k189mr1604630ite.100.1513219383472; Wed, 13 Dec 2017 18:43:03 -0800 (PST) MIME-Version: 1.0 Received: by 10.107.11.31 with HTTP; Wed, 13 Dec 2017 18:43:02 -0800 (PST) In-Reply-To: <22836.128.135.52.6.1513189941.squirrel@cosmo.uchicago.edu> References: <34331.107.77.207.211.1512384505.squirrel@cosmo.uchicago.edu> <0545699d-9df7-ced2-4990-27e3ecb8e531@ShaneWare.Biz> <22836.128.135.52.6.1513189941.squirrel@cosmo.uchicago.edu> From: blubee blubeeme Date: Thu, 14 Dec 2017 10:43:02 +0800 Message-ID: Subject: Re: CUDA under FreeBSD To: galtsev@kicp.uchicago.edu Cc: FreeBSD Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.25 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 14 Dec 2017 02:43:04 -0000 On Thu, Dec 14, 2017 at 2:32 AM, Valeri Galtsev wrote: > On Tue, December 5, 2017 4:04 am, Carmel NY wrote: > > On Tuesday, December 5, 2017 2:53 AM, Shane Ambler stated: > >> On 04/12/2017 21:19, galtsev@kicp.uchicago.edu wrote: > >> > On Mon, December 4, 2017 4:24 am, Carmel NY wrote: > >> >> Out of morbid curiosity, I was wondering if anyone could tell me the > real reason that Nvidia does not support CUDA under > >> > > >> > Arrogance would be my guess. > >> The morbid part is that they give us the linux libcuda, so we should be > able to > >> run linux binaries that use cuda, just not native apps. > >> >> FreeBSD? Also, what are the realistic expectations for it getting > supported shortly? > >> > > >> > Zero is my estimate. The way to let one's steam about them is just > not > >> > to buy ther hardware. Their attitude to open sourse and unwillingness > to disclose details of their hardware was always much worse than that > of their competitors (ATI/AMD, matrox...). > >> > > >> > This is just my opinion based on my subjective observations. > > > > Personally, I have always considered Nvidia products to be superior. > > Well, this is just your subjective opinion opposing my subjective opinion. > With all due respect. > > I have seen nvidia chips giving artifacts (probably after mild overheat, > really just mild). I can not compare some product (to consider it superior > to another) if I can not use that product fully under variety of systems > _I_ use. And the last is true about nvidia video chips. As opposed to > variety of their competitors. > > At some point Apple agreed with me (well, of course independent on me made > up their opinion ;-). There were infamous MacBook Pro 15 inch made by > Apple somewhere around 2012. These contained discrete video chip by NVIDIA > (in addition to integrated on intel CPU substrate... I'm lying, it was > inside CPU case, but etched on different substrate...). Anyway, there was > some crap about that NVIDIA chip, so Apple didn't manage to make later > releases of MacOS work with later hardware and with that 2012 MacBook Pro, > kernel just crashed inside NVIDIA kernel module. Apple even had (really > short lived) program of replacing that hardware, realizing that this is > just crap. Program closed very quickly, so only small portion of bad > hardware was actually replaced. My guess is: nvidia decided not to carry > their side of financial losses. After which Apple made good IMHO decision, > and switched over to AMD (which are actually bought out by AMD well known > ATI). Incidentally, way back someone made excellent argument when > comparing ATI with NVIDIA. Here it is: NVIDIA releases new drivers (or > driver updates) almost monthly. ATI takes about half a year to release > driver. From which the conclusion can be made (which I fully agree with) > that ATI thoroughly tests and debugs drivers before releasing them (and > doesn't need to fix crap in the driver soon after release). Not true about > NVIDIA, whose drivers quite likely are much buggier. > > Anyway, just my observations, potentially a bit biased by the fact that > NVIDIA discloses much less about chip internals than, say, ATI (hence the > ability or lack of such by open source driver developers to write decent > open source drivers. > > > > >> I'm sure on an episode of bsdnow, they mentioned asking an nvidia dev > at > >> one of the conferences and they said there shouldn't be any technical > reason, it just isn't enabled in the build and they would look into it. > Still hasn't helped any. > > > > Which just confirms that individual developer is likely less arrogant than > a company as a whole. > > Well, all I said is just my subjective opinion based on my (by no means > thorough) observations. > > Valeri > > > Interesting. I was not aware of that. It would seem to me that there > should be more of an > > concerted effort to get this issue resolved. > > > > -- > > Carmel > > > > > ++++++++++++++++++++++++++++++++++++++++ > Valeri Galtsev > Sr System Administrator > Department of Astronomy and Astrophysics > Kavli Institute for Cosmological Physics > University of Chicago > Phone: 773-702-4247 > ++++++++++++++++++++++++++++++++++++++++ > > > > > _______________________________________________ > freebsd-questions@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions- > unsubscribe@freebsd.org" > Here's a thorough overview of the history of ATI/AMD vs NVIDIA it's a three part but very good, for those who want to know. https://www.youtube.com/watch?v=_j6TiSdKT0A https://www.youtube.com/watch?v=Jd1bp9eSfwo https://www.youtube.com/watch?v=dE-YM_3YBm0