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GATE 2020
Computer OrganizationInstruction PipelininghardNAT2 marks
Consider a non-pipelined processor operating at 2.5 GHz taking 5 clock cycles per instruction. A 5-stage pipeline version operates at 2 GHz. Assume 30% memory instructions (5% cause 50 stall cycles), 60% ALU instructions (0 stalls), and 10% branch instructions (50% cause 2 stall cycles). The speedup achieved by the pipelined processor over the non-pipelined processor (round off to 2 decimal places) is _______
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