[DFTB-Plus-User] Ask fro help with installing MPI parallel version

[Bálint Aradi]

Dear Chunbo,

I am not sure, what your problem is. The messages, comming from your
OpenMPI installation, seem to be warnings only. If the code runs
nevertheless, you can safely ignore them.

  Best regards,

  Bálint


On 9/23/20 7:51 PM, bob via DFTB-Plus-User wrote:
> Dear DFTB+ users,
> I am trying to install MPI parallel version, I followed the manual on
> the
> web(https://dftbplus-recipes.readthedocs.io/en/stable/introduction.html). The
> problem is :Executing transaction: /
> For Linux 64, Open MPI is built with CUDA awareness but this support is
> disabled by default.
> To enable it, please set the environmental variable
> OMPI_MCA_opal_cuda_support=true before
> launching your MPI processes. Equivalently, you can set the MCA
> parameter in the command line:
> mpiexec --mca opal_cuda_support 1 ...
> Executing transaction: /
> For Linux 64, Open MPI is built with CUDA awareness but this support is
> disabled by default.
> To enable it, please set the environmental variable
> OMPI_MCA_opal_cuda_support=true before
> launching your MPI processes. Equivalently, you can set the MCA
> parameter in the command line:
> mpiexec --mca opal_cuda_support 1 ….
> I don’t know what to do next. Please help me out of this. 
> Yours sincerely 
> Chunbo Zhang
> 
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> 


-- 
Dr. Bálint Aradi
Bremen Center for Computational Materials Science, University of Bremen
http://www.bccms.uni-bremen.de/cms/people/b-aradi/


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