Question
Compute the average clock cycles per instruction ii. Compute the percent of execution time spent by each class of instructions. iii. A designer wantsto improve
Compute the average clock cycles per instruction ii. Compute the percent of execution time spent by each class of instructions. iii. A designer wantsto improve the performance. He designs a new execution unit that makes 80% of ALU operations take only 1 cycle to execute. The other 20% of ALU operations will still take 2 cycles to execute. The designer also wants to improve the execution of the memory access instructions. He does it in a way that 95% of the load instructions take only 2 cycles to execute, while the remaining 5% of the load instructions take 10 cycles to execute per load. He also improves the store instructions in such a way that each store instruction takes 2 cycles to execute. iv. What is the speedup factor by which the performance has improved in part c?
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