https://i.imgur.com/GwduLwi.jpg
https://i.imgur.com/THjuMrB.jpg
https://i.imgur.com/R82jw6I.jpg
(6)這題真的搞的我好亂啊!
<...share cache misa rate changes inverse proportionality with CMP size....>
可是答案miss rate有的有變有的不變,這句想表達的我實在抓不太到
<...if number of cores doubles for both CMPs,P1 and P2?>
字面理解是core *2,但是還是不懂要怎麼做,hit time 跟著乘2嗎?
答案:
AMAT(p1)=0.6+0.05*6+0.02*160=4.1
首先hit time沒變,然後L1 cache miss rate沒變…全部都沒變
AMAT(p2)=0.6+0.05*16+0.001*160=1.56
hit time不變,L2 miss rate減半…………,從解答我完全看不出任何可以讓我推
推導的東西!
麻煩各位解釋一下這題………