Sequential Computation

run in parallel. As a general rule computations not involving (parallel) arrays will be sequential. Computations employing only scalars and/or indexed arrays are the primary instances of sequential text. For example, ZPL Programming Guide 122 area := pi * (diam / 2) ^ 2; -- All variables are scalar and for i := 1 to m do -- SEQUENTIAL matrix multiply for j := 1 to p do -- using indexed arrays for k := 1 to n do -- C[i,j] := C[i,j] + A[i,k]*B[k,j]; are sequential ZPL text. This is evident since the computations do not use (parallel) arrays. Sequential and parallel computations, though compiled differently, will perform about the same on a single processor computer. On a parallel computer, sequential computations are replicated. That is, each processor performs the sequential computations redundantly. Thus, sequential and parallel code can be freely intermixed, and when it is executed on parallel computers, there will be no overhead for the