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Unformatted text preview: instruction) to finish. But the overall time to finish those 4 instructions is shorter than case 1. tim e 1 2 3 4 5 6 7 8 and $1 $2 $3 IF ID EX MEM WB or $4 $5 $6 IF ID EX MEM WB add $7 $8 $9 IF ID EX MEM WB sub $10 $11 $1 2 IF ID EX MEM WB (Case 2. although each instruction takes 5ns, overall execution time is only 8 ns .) Problem 1. Because of some difficulties, not every instruction can be overlapped just like above. But lets assume we can overlap every instruction. 1.1. How much time will it take to finish 1 million instructions at case 1( without overlapping).(simple math.). 1.2. How much time will it take to finish 1 million instructions at case 2( with overlapping) (Hint: a little bit longer than 1millon ns)...
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- Fall '02