Can you explain how multi-core processors use cache?
Sure! Multi-core processors use cache to store frequently accessed data, reducing latency and improving performance.
What types of cache are typically used in multi-core processors?
They usually have L1, L2, and sometimes L3 caches. L1 is the fastest and closest to the cores, while L3 is shared among cores.
How does cache coherence work in multi-core systems?
Cache coherence ensures that all cores have a consistent view of memory. Protocols like MESI help manage this.
What happens if the cache is full?
If the cache is full, the processor must evict some data to make room for new data, which can lead to cache misses.
Can you give an example of a cache miss?
Certainly! A cache miss occurs when the data requested by the processor is not found in the cache, requiring a fetch from main memory.
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