Date: Thu, 14 Dec 2017 12:40:25 -0600 (CST) From: "Valeri Galtsev" <galtsev@kicp.uchicago.edu> To: "blubee blubeeme" <gurenchan@gmail.com> Cc: galtsev@kicp.uchicago.edu, "FreeBSD" <freebsd-questions@freebsd.org> Subject: Re: CUDA under FreeBSD Message-ID: <52115.10.150.179.124.1513276825.squirrel@cosmo.uchicago.edu> In-Reply-To: <CALM2mEmqxCiHVDFXM3vT%2BE1aduZQk171ouM5QhrH5dgLXu_rqQ@mail.gmail.com> References: <34331.107.77.207.211.1512384505.squirrel@cosmo.uchicago.edu> <0545699d-9df7-ced2-4990-27e3ecb8e531@ShaneWare.Biz> <BN6PR2001MB17307310025DD6DE64A563A9803D0@BN6PR2001MB1730.namprd20.prod.outlook.com> <22836.128.135.52.6.1513189941.squirrel@cosmo.uchicago.edu> <CALM2mEmqxCiHVDFXM3vT%2BE1aduZQk171ouM5QhrH5dgLXu_rqQ@mail.gmail.com>
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On Wed, December 13, 2017 8:43 pm, blubee blubeeme wrote: > On Thu, Dec 14, 2017 at 2:32 AM, Valeri Galtsev > <galtsev@kicp.uchicago.edu> > 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 The only trouble I have with your links above is: you have misrepresented what they are. They are not overview of history of ATI/AMD vs NVIDIA as you said. They are very nice NVIDIA commercials. 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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