gpuArray not working in matlab!

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Dariosh
Dariosh 2014-11-18
评论： Dariosh 2015-8-18
I have matlab 2014b running on my Ubuntu 14.04 LTS 64bit, Nvidia and CUDA (6.5) drivers are the newest. When I use gpuArray I get the following error: "Error using gpuArray The CUDA runtime failed to initialize correctly. This can occur with some older CUDA drivers."
I tried everything but nothing helped. Please help me with this matlab bug.
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Edric Ellis
Edric Ellis 2014-12-1
What does
parallel.internal.gpu.CUDADriverVersion
return? Also, could you try running
version -modules
and posting any lines that match libcuda.so.
Dariosh
Dariosh 2015-8-18
The commands "parallel.internal.gpu.CUDADriverVersion" and "version -modules" is not possible to run on a system with MCR only. Linux server 64-bit without any x-server og display manager.

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回答（3 个）

Zachary Taylor
Zachary Taylor 2014-12-11
I had a similar issue after ubuntu updated to the nvidia-331 driver today. However the issue went away after I ran matlab with sudo once. I'm guessing it needed permission to modify a file after the driver update.
Dariosh
Dariosh 2014-12-12
The problem solved by removing and reinstalling the CUDA driver. It is working now. No changes in driver and it is the same driver.
parallel.internal.gpu.CUDADriverVersion: ans = 340.29
Thanks!
TJ
TJ 2015-1-21
make sure you have the paths set properly in your .bashrc file (or similar .cshrc file). export CUDA_HOME=/usr/local/cuda export LD_LIBRARY_PATH=${CUDA_HOME}/lib64 PATH=${CUDA_HOME}/bin:${PATH} export PATH

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