Re: [PyCUDA] c1xx : fatal error C1083: Cannot open source file: 'kernel.cu': No such file or directory

[Andreas Kloeckner]

Hi Sanjay,

"Rana, Sanjay"  writes:
> Yeah. Also note that the AutoRun registry setting (i.e. the default
> folder that opens when cmd is run) also causes problem even building
> the C++(?) CUDA samples in the Microsoft Visual Studio IDE.
>
> I think it's quite reasonable to have a non-default setting for cmd
> startup folder so perhaps you could let NVIDIA devs know of this minor
> issue.

I unfortunately don't have a more direct line to nvidia than anyone
else--just post to their forums.

https://devtalk.nvidia.com/

Andreas


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Re: [PyCUDA] c1xx : fatal error C1083: Cannot open source file: 'kernel.cu': No such file or directory

[Andreas Kloeckner]

Hi Sanjay,

"Rana, Sanjay"  writes:
> After several days of frustatation, I managed to get it working and
> the reason, which I suspected before while reading through the verbose
> log, but didn't think could be as simple as that and thus discarded,
> turns out to be just to do with the non-default value I had set in the
> registry for the "AutoRun" value of the "Command Processor" entry.
>
> Apparently, nvcc only works with the default windows value for AutoRun
> i.e. "c:\users\.." ! Surely, a potential item for NVIDIA to
> enhance/eliminate?

Good to hear that you solved your problem, and thanks for following up
and letting the group know what the issue was.

Andreas

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Re: [PyCUDA] c1xx : fatal error C1083: Cannot open source file: 'kernel.cu': No such file or directory

[Andreas Kloeckner]

"Rana, Sanjay"  writes:
> Thanks Andreas for the response. How could I check whether nvcc is work the 
> same way on both computers?  

Compile some sample cuda code.

> On the problematic installation, I did try running the nvcc from a command 
> prompt. I only get the text "kernel.cu" as response when I had tried to run 
> the following command: 
>
> nvcc --cubin -v -arch sm_52 -m64 
> -Ic:\python2713\lib\site-packages\pycuda\cuda 
> c:\users\crome\appdata\local\temp\tmp4gztsd\kernel.cu
>
> There was no error message reported but perhaps one should have been produced?

That sounds odd. Can you determine which nvcc is being picked up on the
PATH, or if you have multiple nvcc versions installed?

Andreas


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Re: [PyCUDA] c1xx : fatal error C1083: Cannot open source file: 'kernel.cu': No such file or directory

[Andreas Kloeckner]

"Rana, Sanjay"  writes:

> Hi Everyone,
>
> I have an identical set up of pycuda on two computers as follow  :
>
> Windows 10 64bit
> CUDA 8.0
> Pycuda 2017.1+cuda8061-cp27-cp27m-amd64.whl
> Visual Studio 2013 Community
>
> This works perfectly on one of the computers but on the other computer, 
> pycuda fails and reports the issue "c1xx : fatal error C1083: Cannot open 
> source file: 'kernel.cu': No such file or directory"
>
> I have attached the script, script run log, and nvcc.profile.
>
> Is there something I am missing in the problematic installation? Or is the 
> issue somewhere else e.g. windows config, some other interfering application 
> e.g. antivirus etc.
>
> I have ran the NVIDIA's CUDA sample applications and they work just fine.

Does nvcc work the same way on either computer? You could also try
building this branch:

https://gitlab.tiker.net/inducer/pycuda/merge_requests/3

That gets by without needing to call nvcc, which may well solve your
problem.

Andreas

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