問題詳情
9. About instruction level parallelism, which of the followings are true?
(A)To perform loop unrolling, loop iterations must be independent with no loop-carrieddependence.
(B) True dependencies can be resloved by register renaming.
(C)Anti-dependence occurs when instruction j writes a register or memory location that.instruction i read from, and instruction i is executed first.
(D)Loop unrolling can reduce control stalls.
(E) Issuing multiple instructions per cycle can not reduce ideal CPI.
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增