On Dec 9, 2008, at 10:36 PM, Nicholas Piël wrote:


On Dec 9, 2008, at 10:27 PM, Randy Heiland wrote:

Replying to my own post, I now realize that when I downloaded what I thought was the driver from:
http://www.nvidia.com/object/cuda_get.html

in fact, the 'driver' button for 'Mac OS' was totally missing (I mistakenly that the 'toolkit' included the driver.

So, when I try to run one of the example pgms from the SDK, I get, e.g.

/Developer/CUDA/bin/darwin/release$ ./Mandelbrot
Using device 0: Device Emulation (CPU)
Compute capability 9999.9999
Data init done.
Initializing GLUT...
Loading extensions: No error
OpenGL window created.
Starting GLUT main loop...

Press [?] to print location and scale
Press [q] to exit
...

and I get a black window.

Any comments?  Anyone know the status of CUDA drivers for OSX?


Do the installation procedure again (of the cuda toolkit), then click on 'customize' and tick the box in front of the kernel extension.

I think that'll work!

Just to provide some more information, I ran into the same problem when i started with PyCuda, i found this thread:
http://forums.nvidia.com/lofiversion/index.php?t75387.html

It seems that in some (or all) installations of the CUDA 2.0 toolkit it defaults to not installing the kernel extension that specifically enables the cuda functionality. Simply specifying explicitly in the installation process to install that kernel extension made it work for me.

Regards,
Nicholas
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