Explain speedup performance and issues in pipelining, Computer Engineering

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Speedup

First, we take the speedup factor which is we see how much speed up performance we achieve by pipelining. First we take ideal case for measuring the speedup.

Let n be total number of tasks executed during m phases of pipelines. 

Then m phases can process n tasks in clock cycles = m + (n-1)

Time taken to execute with no pipelining = m.n 

Speedup because of pipelining = m.n/ [m + (n-1)]. 

As n>= ∞ There is speedup of n times over non-pipelined execution.

 


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