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Topic: CUDALink is not initialized
Replies: 1   Last Post: Mar 2, 2013 2:34 AM

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Paperorbifold

Posts: 5
Registered: 2/4/10
CUDALink is not initialized
Posted: Feb 27, 2013 11:43 PM
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I've recently upgraded to Mathematica 9.0 on Ubuntu 12.04 with the latest
Nvidia driver (304.64). I load CUDA by using, as usual, Needs["CUDALink`"].
CUDAQ[] reports True.
CUDAInformation[] reports:

{1 -> {"Name" -> "GeForce GT 330M", "Clock Rate" -> 1265000,
"Compute Capabilities" -> 1.2, "GPU Overlap" -> 1,
"Maximum Block Dimensions" -> {512, 512, 64},
"Maximum Grid Dimensions" -> {65535, 65535, 1},
"Maximum Threads Per Block" -> 512,
"Maximum Shared Memory Per Block" -> 16384,
"Total Constant Memory" -> 65536, "Warp Size" -> 32,
"Maximum Pitch" -> 2147483647,
"Maximum Registers Per Block" -> 16384, "Texture Alignment" -> 256,
"Multiprocessor Count" -> 6, "Core Count" -> 48,
"Execution Timeout" -> 1, "Integrated" -> False,
"Can Map Host Memory" -> True, "Compute Mode" -> "Default",
"Texture1D Width" -> 8192, "Texture2D Width" -> 65536,
"Texture2D Height" -> 32768, "Texture3D Width" -> 2048,
"Texture3D Height" -> 2048, "Texture3D Depth" -> 2048,
"Texture2D Array Width" -> 8192, "Texture2D Array Height" -> 8192,
"Texture2D Array Slices" -> 512, "Surface Alignment" -> 256,
"Concurrent Kernels" -> False, "ECC Enabled" -> False,
"TCC Enabled" -> False, "Total Memory" -> 1073414144}}

Thus it seems that everything works. But if try to perform the following:

randM = RandomReal[1, {1000, 1000}];
CUDADot[randM, randM];

I get:

CUDADot::notinit: CUDALink is not initialized.

What does it mean? I already tryied googling looking for the error
message... nothing found. Thanks in advice to whom can shed light.

--
...and I will make them pay for what they've done! (J.L. Picard)





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