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

[bob]

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 <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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