Problem using GPU with Matlab R2015a: dispatcher:loadLibrary Can't load gpu.dll

Question

Sascha Langener 2015-4-20

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/211202-problem-using-gpu-with-matlab-r2015a-dispatcher-loadlibrary-can-t-load-gpu-dll

回答： Cindy Solomon 2015-4-22

I have a fresh installation of Matlab R2015a with all necessary toolboxes installed (I think), but can't use my GPU, because I get the following error right at the start of my script:

>> gpuDevice()

MATLAB:dispatcher:loadLibrary Can't load 'C:\Program Files\MATLAB\R2015a\bin\win64\gpu.dll': C:\Program Files\MATLAB\R2015a\bin\win64\gpu.dll ist keine zulässige Win32-Anwendung.

. Caught MathWorks::System::FatalException >>

(ist keine zulässige Win32-Anwendung translates-> Not a valid Win32 application)

OS is Windows 7 64bit Service Pack 1.

Any ideas about what might be wrong are very much appreciated as I am totally at a loss.

Thanks

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Edric Ellis 2015-4-21

This looks like an installation problem (I would expect a different error if you didn't have an appropriate CUDA driver installed), so I suggest contacting MathWorks support.

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Answer 1

Cindy Solomon 2015-4-22

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链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/211202-problem-using-gpu-with-matlab-r2015a-dispatcher-loadlibrary-can-t-load-gpu-dll#answer_176258

Hi Sascha,

Judging from the error message, it seems like MATLAB is trying to load a 32-bit dll into 64-bit MATLAB, which is not a supported workflow. Try double-checking the bitness of your 'gpu.dll' and using a 64-bit dll to fix the issue.

Hope this helps!