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Wednesday, June 19, 2013
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Comments
by: Anonymous on 12/18/2009
At this point, I don't think anyone is interested in a CPU implementation of OpenCL.
We already have plenty of languages to write code for CPUs. What we need is something to unlock the potential of GPGPU.
Regarding Nvidia vs. AMD OpenCL statuses by: Anonymous on 12/17/2009
The AMD OpenCL driver will support both CPU & GPU; Nvidia's only works with its own GPU. Actually, AMD's OpenCL implementation will support even Intel's x86 CPUs, unlike what Intel does for AMD.
This went beyond just cheating, it was full fledged disabling by: Anonymous on 12/17/2009
In this case, it wasn't simply a case of Intel not "optimizing" for other processors. "Optimizing" implies something tuned for one processor, but it will still work on other processors if not optimally. Intel, on the other hand, actually disabled features of the compiler if it detected they were running on non-Intel processors. So when you compared an Intel processor to a non-Intel, you would see a big difference in performance because they weren't even running the same code!
Doesn't all this make benchmarks irrelevent? by: Michael A. McKenney on 12/17/2009
If Intel, AMD, ATI, and Nvidia all cheat, why spend the money on benchmarking software to begin with?
That's not relevant by: Anonymous on 12/17/2009
Intel is far from being monopoly in the compilers market. Microsoft compilers are far more popular.
BTW, from my experience Intel propriety libraries (IPP,MKL) are working very well on AMD CPU's
OpenCL by: Sean Kalinich on 12/17/2009
I think what he means is that AMD has its own Shader Compilers to compile their own OpenCL patches.

Take the recent Sandra OpenCL testing. AMD worked very hard to optimize the testing load for their architecture.
by: Anonymous on 12/17/2009
OpenCL is not a good example. It's an open standard.
Ironically enough, despite AMD bringing OpenCL to the attention in the media, nVidia is currently the only one who has OpenCL-drivers available to end-users.
So nVidia supports OpenCL even better than AMD does, despite the noise that AMD made about it.
http://www.nvidia.com/object/win7_winvista_64bit_195.62_whql.html
"Adds support for OpenCL 1.0 (Open Computing Language) for all GeForce 8-series and later GPUs."

So basically every nVidia user with an 8-series or higher card, who's upgraded to the latest WHQL drivers has OpenCL. AMD still only has a beta for registered developers (which doesn't work half as good as nVidia's drivers and SDK).
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