Date: Mon, 9 Oct 2017 11:50:38 -0300 From: Otacilio <otacilio.neto@bsd.com.br> To: Artem Belevich <art@freebsd.org> Cc: FreeBSD Hackers <freebsd-hackers@freebsd.org> Subject: Re: Fwd: CUDA and FreeBSD Message-ID: <27144872-11f5-26ba-4967-dd5350ba54a6@bsd.com.br> In-Reply-To: <CAFqOu6hjXncAxf5s5t34G8WiWizDjz6qx2qGPdvPUSmNhwsJQA@mail.gmail.com> References: <65001830-5520-cd20-fd71-130d28c7aadf@bsd.com.br> <CAFqOu6hFnYMwXu3EqMmqpPS-Qkz=fKJmvT=01okQSip4zAuzyQ@mail.gmail.com> <CAFqOu6hjXncAxf5s5t34G8WiWizDjz6qx2qGPdvPUSmNhwsJQA@mail.gmail.com>
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Em 08/10/2017 21:35, Artem Belevich escreveu: > Your question is rather vague. Could you elaborate on what exactly you > have in mind? > > Last time I checked, linux CUDA programs did run under linuxulator. > It's been a while, though. > > Getting native CUDA binaries to compiler/run on FreeBSD is somewhat > more complicated. > CUDA SDK does not support freebsd, so you can't use nvcc to compile > any CUDA binaries on FreeBSD. > Recent Clang (~5.0 or newer) is capable of compiling CUDA programs, so > getting it to compile CUDA source to an object file on FreeBSD should > not be particularly hard. However, you would not be able to link > anything that relies on standard CUDA features (e.g. using > foo<<<..>>>() syntax to launch a kernel or using many cudaXXXX() > calls) as they depend on libcudart and NVidia does not provide it for > FreeBSD. You would need to write your own replacement for the CUDA > runtime which would use raw driver API under the hood. It's somewhat > complicated by the fact that the API provided by libcudart for > compiler use is largely undocumented. > > You also can't use cuBLAS, cuFFT, cuDNN, etc, because NVidia does not > provide those for FreeBSD, either. :-( That rules FreeBSD out for > things like GPU support in Tensorflow. > > --Artem > > On Wed, Oct 4, 2017 at 5:41 AM, Otacílio <otacilio.neto@bsd.com.br > <mailto:otacilio.neto@bsd.com.br>> wrote: > > What are the issues that prevent programs using CUDA from running > on FreeBSD? > > []'s > > -Otacilio > Thank you so much for your answer. It was just this overview I was looking for. []'s -Otacilio
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