Date: Mon, 24 Oct 2011 12:44:19 +0200 From: Eduardo Morras <nec556@retena.com> To: freebsd-performance@freebsd.org Subject: Re: LLVM/CLANG and several OpenCL projects: FreeBSD or any *BSD developer involved? Message-ID: <4E5EF2B000E555C3@> (added by postmaster@resmaa12.ono.com) In-Reply-To: <j83e7c$d0a$2@dough.gmane.org> References: <4EA1117C.1000509@zedat.fu-berlin.de> <j83e7c$d0a$2@dough.gmane.org>
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At 12:21 24/10/2011, Ivan Voras wrote: >On 21/10/2011 08:30, Hartmann, O. wrote: > > As I'm not a developer, but for scientific purposes highly interested in > > using GPUs, the only way of doing HPC computing at the moment is with > > nVidias TESLA/nVidia consumer graphics cards and LINUX, since on Linux > > one willing to use the GPU has the necessary libraries, driver and > > compilers. > >Drivers are still a big problem on FreeBSD. AFAIK neither NVIDIA nor ATI >supply GPGPU-enabled drivers for FreeBSD. If this problem were solved, I >think that most of other utilities would mostly "just work" using >standard interfaces like OpenCL. Nvidia freebsd driver has cuda enabled. But you need the sdk to compiled c/cuda to lowlevel cuda/asm (don't remember name now) that driver executes on the gpu. Afaik nvidia freebsd driver hasn't opencl support but this knowledge comes from "i don't use (tm)" opencl, so i maybe wrong. The sdk works for Windows, Linux and MacOSX. ATI has retired ati-stream and ati-tometal languages and support opencl in windows and linux using a llvm private compiler. Some days ago, a llvm opencl opensource project started (ati's one is not opensource) http://lists.cs.uiuc.edu/pipermail/llvmdev/2011-October/044266.html and https://launchpad.net/pocl
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