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virtual-topologies-mpi

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virtual-topologies-mpi [June 11, 2026 at 09:13] Ivan Janevskivirtual-topologies-mpi [June 11, 2026 at 09:13] (current) Ivan Janevski
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 ``` ```
  
-This is fragile. hanging the process count or grid shape breaks the formula. `MPI_Cart_create` registers a Cartesian grid topology with MPI so that `MPI_Cart_shift` can compute neighbor ranks for you, including periodic wraparound.+This is rather fragile. Changing the process count or grid shape breaks the formula. `MPI_Cart_create` registers a Cartesian grid topology with MPI so that `MPI_Cart_shift` can compute neighbor ranks for you, including periodic wraparound.
  
 ```c ```c
virtual-topologies-mpi.1781169195.txt.gz · Last modified: by Ivan Janevski