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4 memory reference per instruction.

total 1000 mem reference

so total instrucions are 250.

now, avg stall/instruction = (misses in L1/instruction )* hit time in L2 + (misses in L2/instruction) * miss penalty in L2

                                    = (150/250)*50 + (100/250)*120

                                    = 78 cycles/instruction

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Manu Thakur asked Oct 29, 2017
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