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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is cache coherency?
💡 Hint: Think about the consistency of data across different caches.
Question 2
Easy
Name one protocol used for cache coherency in ARM processors.
💡 Hint: This protocol is known by its acronym.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does cache coherency ensure in a multi-core environment?
- Data is processed faster
- Data remains consistent across cores
- Less memory is used
💡 Hint: Think about what happens when different cores access the same data.
Question 2
True or False: The AXI Coherency Extensions are not necessary for cache coherency.
- True
- False
💡 Hint: Consider the role of protocols in ensuring coherency.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You have a system with four cores. Core 1 updates a value in its cache. Describe the steps that the ARM Cortex-A9 takes to ensure that all other cores have the updated value.
💡 Hint: Consider the communication process between cores.
Question 2
Discuss the potential issues that may arise in a multi-core processor if cache coherency is not managed effectively. What solutions might be implemented to mitigate these issues?
💡 Hint: Think critically about data access patterns in multi-core systems.
Challenge and get performance evaluation