Who am I?


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Can be answered with 

integer coords(2) 
  call MPI_COMM_RANK( comm1d, myrank, ierr ) 
  call MPI_CART_COORDS( comm1d, myrank, 2,  
 $                      coords, ierr )
Returns the Cartesian coordinates of the calling process in coords.


Up: Topologies Next: Partitioning Previous: Finding neighbors