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Berlin
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Asked: 2021-12-03T19:53:20+05:30 In:

Consider an instruction pipeline having 4 phases with duration 60, 50, 90 and 80ns. Given latch delay is 10 ns. …

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Consider an instruction pipeline having 4 phases with duration 60, 50, 90 and 80ns.

Given latch delay is 10 ns.

Calculate the speed up ratio.

computer architecture
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    1 Answer

    1. I'M ADMIN
      FORMULA FOR SPEED OF NON-PIPELINED AND PIPELINED RATIO:

Speed Up (S) =Non-pipelined execution time/Pipelined execution time





Pipeline Execution Time

= Maximum delay due to any stage + Register Delay

= Max { 60, 50, 90, 80} + 10 ns

= 90 ns + 10 ns

= 100 ns



Non-pipeline execution time for one instruction

= 60 ns + 50 ns +90 ns + 80 ns

= 280 ns



Speed up

= Non-pipeline execution time / Pipeline execution time

= 280 ns / 100 ns

= 2.8

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