Practice Direct-mapped Caches: Misses, Writes And Performance (4.2) - Direct-mapped Caches: Misses, Writes and Performance
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Direct-mapped Caches: Misses, Writes and Performance

Practice - Direct-mapped Caches: Misses, Writes and Performance

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What does SRAM stand for?

💡 Hint: Think about the 'S' in SRAM.

Question 2 Easy

What is a cache hit?

💡 Hint: Reflect on what happens during a successful data retrieval.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the access time of SRAM?

0.5 to 2.5 nanoseconds
50 to 70 nanoseconds
5 to 20 milliseconds

💡 Hint: Remember the timing details given for SRAM.

Question 2

True or False: A cache miss occurs when requested data is not found in the cache.

True
False

💡 Hint: Recall the definition of a cache miss given in class.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given a cache with 16 lines and a block size of 4 words, calculate the direct mapping for memory block 12.

💡 Hint: Use the mapping function for cache lines.

Challenge 2 Hard

Create a scenario with four memory accesses: 0, 4, 8, and 12. What will the hit/miss ratio be if they are stored in a direct-mapped cache with 4 lines?

💡 Hint: Visualize the block's mapping to cache lines and identify miss occurrences.

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Reference links

Supplementary resources to enhance your learning experience.