Question

a hypothetical CPU 1 MIPS takes 4 clock cycles on the average for any instruction. the memory access time is 1 clock cycle for each word. what is the peak data transfer rate in cycle stealing mode?

a) 4 million words b) 2 million words c) 8 million words d)none

Answer 1

Answer on Question #44800 – Math - Other

a hypothetical CPU 1 MIPS takes 4 clock cycles on the average for any instruction. the memory access time is 1 clock cycle for each word. what is the peak data transfer rate in cycle stealing mode?

a) 4 million words b) 2 million words c) 8 million words d) none

Solution.

Performance of the computer is

$$1 \text{ MIPS} = 10^6 \frac{\text{instructions}}{\text{second}} = 4 \cdot 10^6 \frac{\text{clock cycles}}{\text{second}}$$

Since the access time for 1 word requires 1 clock cycle, the maximum transfer rate is

$$4 \cdot 10^6 \frac{\text{words}}{\text{second}}$$

Answer: a) 4 million words

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