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How to check if OpenMPI has support for CUDA

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How to check if OpenMPI has support for CUDA

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200 200 This compiler is available via several `CUDA` packages, a default version can be loaded via
201 201 `module load CUDA`. Additionally, the `NVHPC` modules provide CUDA tools as well.
202 202
203 #### Usage of the CUDA compiler
203 For using CUDA with OpenMPI at multiple nodes, the OpenMPI module loaded shall have be compiled with
204 CUDA support. If you aren't sure if the module you are using has support for it you can check it as
205 following:
206
207 ```console
208 ompi_info --parsable --all | grep mpi_built_with_cuda_support:value | awk -F":" '{print "OpenMPI supports CUDA:",$7}'
  • Suggested change
    208 ompi_info --parsable --all | grep mpi_built_with_cuda_support:value | awk -F":" '{print "OpenMPI supports CUDA:",$7}'
    208 marie@login$ ompi_info --parsable --all | grep mpi_built_with_cuda_support:value | awk -F":" '{print "OpenMPI supports CUDA:",$7}'
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  • 200 200 This compiler is available via several `CUDA` packages, a default version can be loaded via
    201 201 `module load CUDA`. Additionally, the `NVHPC` modules provide CUDA tools as well.
    202 202
    203 #### Usage of the CUDA compiler
    203 For using CUDA with OpenMPI at multiple nodes, the OpenMPI module loaded shall have be compiled with
    204 CUDA support. If you aren't sure if the module you are using has support for it you can check it as
    205 following:
    • Comment on lines +204 to +205
      Suggested change
      204 CUDA support. If you aren't sure if the module you are using has support for it you can check it as
      205 following:
      204 CUDA support. If you aren't sure if the module you are using has support for it you can check it
      205 using the following commands:
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  • Martin Schroschk approved this merge request

    approved this merge request

  • Martin Schroschk unapproved this merge request

    unapproved this merge request

  • Martin Schroschk requested review from @gupa977e--tu-dresden.de and removed review request for @mflehmig--tu-dresden.de

    requested review from @gupa977e--tu-dresden.de and removed review request for @mflehmig--tu-dresden.de

  • approved this merge request

  • mentioned in commit eaa2fc32

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