About This Video : Today i am going to explain you L1 L2 L3 Cache Memory Explain step by step.



What is L1 Cache

L1 cache is the level 1 cache memory. We also call it the primary cache. It operates at the same speed as the CPU. Also, it is the fastest cache among all other caches. Moreover, it is smaller than other caches, which are L2 and L3. Furthermore, each core in the CPU has their own L1 cache memory.

What is L2 Cache

L2 cache is the level 2 cache. It stores the data that is not stored in the L1 cache. In other words, if the CPU cannot find the data it is looking for in the L1 cache, it checks the L2 cache. Furthermore, L2 cache is larger than L1 cache but smaller than L3 cache. Each code in the CPU has their own L2 cache memory.

What is L3 Cache

L3 cache is the level 3 cache. It stores data that is not stored in L1 and L2 cache. In other words, if the CPU cannot find the data it is looking for in L1 and L2 cache, it checks L3 cache. Moreover, L3 cache is the largest among all caches. Also, all the cores in the CPU share the same L3 cache memory.

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