Cartesian Topologies

• MPI provides routines to provide structure to collections of processes. Although it also has graph topologies, here we concentrate on cartesian.

• A Cartesian topology is a mesh

• Example of a 3 x 4 mesh with arrows pointing at the right neighbors:

(0,0)

(0,1)

(0,2)

(0,3)

(1,0)

(1,1)

(1,2)

(1,3)

(2,0)

(2,1)

(2,2)

(2,3)

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