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<<latex($$Speedup = \frac{Performance~using~enhancement~when~possible}{Performance~without~enhancement}$$)>>
See SpeedUp
Notice that we are talking about the entire task here and that performance (speedup) is defined in terms of execution time! So we have to define the following:
latex($$SpeedupOverall = \frac{Old~Execution~Time}{New~Execution~Time}$$) (1)
This gives a new Execution time of
So we have
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