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Question

From clock cycles to instruction count and CPI

Number of clock cycles for program depends on:

  • Number of instructions executed (instruction count)
    • Determined by ISA and compiler
  • Average number of clock cycles per instruction (CPI)
    • Determined by [...]
    • Usually, different instructions have different CPI
    • CPI of a program (code sequence) depends on instructions executed (instruction mix)
Answer
CPU hardware

Question

From clock cycles to instruction count and CPI

Number of clock cycles for program depends on:

  • Number of instructions executed (instruction count)
    • Determined by ISA and compiler
  • Average number of clock cycles per instruction (CPI)
    • Determined by [...]
    • Usually, different instructions have different CPI
    • CPI of a program (code sequence) depends on instructions executed (instruction mix)
Answer
?

Question

From clock cycles to instruction count and CPI

Number of clock cycles for program depends on:

  • Number of instructions executed (instruction count)
    • Determined by ISA and compiler
  • Average number of clock cycles per instruction (CPI)
    • Determined by [...]
    • Usually, different instructions have different CPI
    • CPI of a program (code sequence) depends on instructions executed (instruction mix)
Answer
CPU hardware
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ber of clock cycles for program depends on: Number of instructions executed (instruction count) Determined by ISA and compiler Average number of clock cycles per instruction (CPI) Determined by <span>CPU hardware Usually, different instructions have different CPI CPI of a program (code sequence) depends on instructions executed (instruction mix) <span>

Original toplevel document (pdf)

owner: pavestonelaboringuntitled - (no access) - 03 Performance.pdf, p14

Summary

statusnot learnedmeasured difficulty37% [default]last interval [days]               
repetition number in this series0memorised on               scheduled repetition               
scheduled repetition interval               last repetition or drill

Details

No repetitions


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