书籍:张凡计组第二版(上)
题目与解答:
https://i.imgur.com/3LZjgyu.jpg
https://i.imgur.com/Ms4k6ZD.jpg
想问此题的(4)小题的a部分(其实a, b都不会XD,更别说(5),(6)QQ),我看不懂
详解的作法,题目是要问 "percentage of all cycles are entirely spent fetching w
rong-path instructions", 答案的分子6我猜是因为 branches execute in stage = 7,
但分母就看不懂了....
我想我问题的症结点在于不懂 Instructions between branch mispredictions、stall c
ycles 在算什么,跪求解释 orz
谢谢!!