Question: for( i=0; i <511; i=i+1) { A[i] = A[i] + B[i]; /*S1*/ B[i+1] = C[i] + D[i]; /*S2*/ } Determine the loop-carried (inter-iteration) dependencies. Is

for( i=0; i<511; i=i+1)

{

A[i] = A[i] + B[i]; /*S1*/

B[i+1] = C[i] + D[i]; /*S2*/

}

  1. Determine the loop-carried (inter-iteration) dependencies.

  2. Is it parallel? Why?

  3. If not, can you rewrite to make it parallel? How?

  4. How long will it take to execute this loop on a 16-way processor?

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