【单选题】In a certain cache system, the modified cache block is written to main memory only when the block is replaced. All of the following are used to describe this policy EXCEPT(71).
【多选题】The speed of the memory system affects the designer’s decision on the size of the cache block. Which of the following cache designer guidelines are generally valid?
A.
The shorter the memory latency, the smaller the cache block
B.
The shorter the memory latency, the larger the cache block
C.
The higher the memory bandwidth, the smaller the cache block
D.
The higher the memory bandwidth, the larger the cache block