 
  
  
  
  
 
 ,
, ).
         For example, note that process (0,0) contains a local array
         of size A(5,4).
).
         For example, note that process (0,0) contains a local array
         of size A(5,4).
 ,
, )
)
 process grid
 process grid
 matrix decomposed into
 matrix decomposed into  blocks mapped onto a
  
 blocks mapped onto a  process grid
 process grid
 matrix decomposed into
 matrix decomposed into  blocks mapped onto a
 
         blocks mapped onto a  process grid
 process grid