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7. (12 points) Assume a 5-stage MIPS pipeline. Show the pipeline diagram of the following MIPS assembly program. Initial value: $4=10. a) Assume: 1) With forwarding; 2) No IF/ME or ID/WB conflicts; 3) Predict branch not taken; 4) branch outcome determined in the ID stage (so the correct instruction is fetched in the EX stage). Use the following table to draw the pipeline diagram, from the IF stage of II (first loop iteration) to the WB stage of I1 (second loop iteration). (7 points) b) How many cycles are needed for a single iteration of the loop? What's the CPI of a single iteration? Show all the calculation steps. ( 2 points)