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Suppose we have a deeply pipelined processor, for which we implement a branch-target buffer for the conditional branches only. Assume that the mis-prediction penalty is always 3 cycles and the buffer miss penalty is always 2 cycles. Assume 95% hit rate, 90% accuracy and 10% conditional branch frequency. How much faster is the processor with the branch-target buffer versus a processor that has a fixed 2-cycle branch penalty
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Suppose we have a deeply pipelined processor, for which we implement a branch-target buffer for the...
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