Question: 3, What is cache coherence? Explain briefly the directory based protocol for coherence problem. 4. What is data hazard? Evaluate the performance of pipelining

3, What is cache coherence? Explain briefly the directory based protocol for coherence problem. 4. What is data hazard? Evaluate the performance of pipelining method compare with traditional method in percentage where one cycle is equal to 4ns. Instruction 1 2 3 4 5 F 2 1 2 1 2 D 2 2 1 3 2 E 1 2 3 2 1 W 2 1 2 1 2

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What is cache coherence Cache coherence is the problem of ensuring that multiple caches in a multiprocessor system have a consistent view of the data they storeWhen two or more processors try to acces... View full answer

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