Question: seconds Example instructions cycles X program instruction + trade-off seconds cycle constant program Percentage of instructions of a program (CPU A) compare 20%, branch 20%,

seconds Example instructions cycles X program instruction + trade-off seconds cycle constant program Percentage of instructions of a program (CPU A) compare 20%, branch 20%, others 60% compare 1 cycle, branch 2 cycles, others 1 cycle (CPI) CPIA = - CPUAN -- Percentage of instructions of the same program (CPU B) combine "compare & branch" in one instruction compare & branch 2 cycles, others 1 cycle (CPI) CPI, = - CPUB=
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