Block assignment reduces the perimeter of the assignment for each processor. However each processor still computes N^2/P elements like before. Reducing the perimeter reduces the communication cost since there are less elements that need to be sent between processors.
Block assignment reduces the perimeter of the assignment for each processor. However each processor still computes N^2/P elements like before. Reducing the perimeter reduces the communication cost since there are less elements that need to be sent between processors.
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