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instructions per cycle (IPC)

Instructions Per Cycle (IPC), like Cycles Per Instruction (CPI), is a measure of computerperformance.

The IPC value is formed from the ratio between the number of instructions for the execution of a program and the number of clock cycles required for this. It is the reciprocal of the CPI value.

For example, if a program requires 5,000 instructions and is executed in 20,000 clock cycles, then the IPC value is 0.25 and the CPI value is 4. A high IPC value indicates that the reference program requires fewer clock cycles to execute.

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Englisch: instructions per cycle - IPC
Updated at: 29.03.2008
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