Practice - Cache Hierarchies
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Practice Questions
Test your understanding with targeted questions
What is the main purpose of a cache in a CPU?
💡 Hint: Think about why computers often have a memory component close to the CPU.
Define L1 cache in one sentence.
💡 Hint: Remember its purpose of speed in memory access.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main function of L1 cache?
💡 Hint: Consider which cache level is closest to the CPU.
True or False: The L1 cache is larger and slower than the L2 cache.
💡 Hint: Remember the size and access speed comparisons.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A CPU accesses main memory at 4 GHz with a base CPI of 1. If it misses L1 at a rate of 2% and the main memory access time is 100 ns, calculate the effective CPI. What performance ratio can be anticipated after adding a L2 cache that mitigates the miss penalty to 20 cycles?
💡 Hint: Keep the formulas handy.
Compare the performance metrics of a system with only L1 Cache and one with both L1 and L2 Cache. What does the analysis reveal about cache effectiveness?
💡 Hint: Think about the interaction between L1 and L2 in your calculations.
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