Performance and Issues in Pipelining
Efficiency: The efficiency of a pipeline can be calculated as the ratio of busy time span to the entire time span including the idle time. Let assume c be the clock period of the pipeline, the efficiency E can be denoted as:
E = (n. m. c) / m.[m.c + (n-1).c] = n / (m + (n-1)
As n-> ∞ , E becomes 1.