module 5 SEC A

Slides (11)

1. 1 - Pick Answer The primary goal of a memory hierarchy is to provide:

   1. A) The speed of the fastest memory at the cost of the cheapest memory

   2. B) Unlimited memory capacity at zero cost

   3. C) A memory system that appears as fast as registers and as large as main memory

   4. D) Only on-chip memory

2. 2 - Leaderboard

3. 3 - Pick Answer Average Memory Access Time (AMAT) is calculated as:

   1. B) Miss time + Hit rate × Hit penalty

   2. C) Miss penalty – Hit time

   3. D) Cache size / Bandwidth

   4. A) Hit time + Miss rate × Miss penalty

4. 4 - Leaderboard

5. 5 - Pick Answer In a processor with out-of-order execution, reducing miss penalty is more important because:

   1. B) It always reduces power consumption

   2. C) It eliminates all cache misses

   3. D) It simplifies the pipeline

   4. A) The CPU can continue executing independent instructions during a cache miss

6. 6 - Leaderboard

7. 7 - Pick Answer  Which of the following improves CPU performance the most when miss penalty is very high? 

   1. A) Increasing cache size slightly

   2. B) Reducing miss rate significantly

   3. C) Increasing clock frequeC) Increasing clock frequency by 5% ncy by 5%

   4. D) Adding more registers

8. 8 - Leaderboard

9. 9 - Pick Answer  Six Basic Cache Optimization #1 is:

   1. A) Larger block size

   2. C) Higher associativity

   3. D) Way prediction

   4. B) Larger cache size

10. 10 - Leaderboard

11. 11 - Leaderboard