What is Cache Coherence Problem?
In a single CPU system, two copies of same data, one in cache memory and another in main memory may become different. This data inconsistency is called as cache coherence problem.
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Figure : Cache Coherence Problem |
Different strategies to writing into cache:
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| Figure : Different Strategies to writing Cache Memory |
Different approaches to prevent data inconsistency, that is to protect cache coherency:
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| Figure : Approaches to prevent data incosistency in Cache Memory |
To learn more about Cache Coherence Probelm and its prevention techniques, watch below video
Video : Cache Coherence and its prevention techniques
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