The design team for a simple, single-issue processor is choosing between two pipelined implementations. Here are some design parameters for the two possibilities: A B Clock Rate (MHz) 3500 2250 1 1 CPI for ALU instructions CPI for Control instructions CPI for Memory instructions 3.0 1.5 2.5 1.1 For a program with 20% ALU instructions, 15% control instructions and 65% memory instructions, which design will finish first? Give a quantitative CPI average for each case.

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The design team for a simple, single-issue processor is choosing between two pipelined implementations. Here are
some design parameters for the two possibilities:
A
B
Clock Rate (MHz)
3500
2250
1
1
CPI for ALU instructions
CPI for Control instructions
CPI for Memory instructions
3.0
1.5
2.5
1.1
For a program with 20% ALU instructions, 15% control instructions and 65% memory instructions, which design will
finish first? Give a quantitative CPI average for each case.
Transcribed Image Text:The design team for a simple, single-issue processor is choosing between two pipelined implementations. Here are some design parameters for the two possibilities: A B Clock Rate (MHz) 3500 2250 1 1 CPI for ALU instructions CPI for Control instructions CPI for Memory instructions 3.0 1.5 2.5 1.1 For a program with 20% ALU instructions, 15% control instructions and 65% memory instructions, which design will finish first? Give a quantitative CPI average for each case.
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