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Why is cache memory used as the main memory?


Asked by Jazmin Montes on Dec 09, 2021 FAQ



Cache memory is used to reduce the average time to access data from the Main memory. The cache is a smaller and faster memory which stores copies of the data from frequently used main memory locations.
And,
The Distributed Memory Cache ( AddDistributedMemoryCache) is a framework-provided implementation of IDistributedCache that stores items in memory. The Distributed Memory Cache isn't an actual distributed cache.
In this manner, Cache memory is sometimes called CPU(central processing unit) memory because it is typically integrated directly into the CPU chip or placed on a separate chip that has a separate businterconnect with the CPU. Therefore, it is more accessible to the processor, and able to increase efficiency, because it's physically close to the processor.
Additionally,
Cache memory is a high-speed memory, which is small in size but faster than the main memory (RAM). The CPU can access it more quickly than the primary memory. So, it is used to synchronize with high-speed CPU and to improve its performance. Cache memory can only be accessed by CPU.
Indeed,
A decision should be made when the cache memory block would be put back in the main memory. Place the cache memory block in the main memory when it is chosen to be replaced by a new read-in block from main memory. Place the cache memory block in the main memory after every update to the block.