→ ianwuzack:是梨子耶XD 02/06 18:04
推 zx33571163:喔~~懂了^^沒想到那麼多 02/06 18:08
※ 引述《zx33571163 (mm)》之銘言：
: the process has a CPI of 2 without memory stalls
: and memory stall penalty is 100 clocks.
: if 5% instructions of program need to access the memory
: and miss rate 0.2 .find CPI with memory stalls.
: 解答寫
: 2+1.05*0.2*100=23
: 我覺得是
: 2+0.05*0.2*100=
: 94交大電控
: 哪一個才對阿?
2+100*0.2+100*0.05*0.2=23
其中:
100*0.2=存取指令失誤的penalty
100*0.05*0.2=存取指令中有access the memory失誤的penalty
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