LITERATURE SURVEY ON CACHE MEMORY

Computer Engineering

Nowadays, processing speed is one of the most important performance criteria of modern multicore processors. For achieving a higher processing speed of processor various components are used, in which cache is one of them. Cache Memory is extremely quick memory placed between central processor & Main Memory. Cache memory plays an important role when deciding the performance of multi-core systems. Processor speed is increasing at a very fast rate so a very high speed cache memory is needed for matching the speed of the processor. Cache systems are on-chip Cache memory part accustomed store knowledge. Cache is a buffer between a central processor and its main memory. Cache memory is employed to synchronize the info transfer rate between central processor and main memory. As cache memory nearer to the microchip, it is faster than the RAM and main memory. The advantage of storing knowledge in cache, as compared to RAM, is that it has faster retrieval times, but it has the disadvantage of on-chip energy consumption. In this paper, performance of cache memory is evaluated through following factors cache time interval, miss rate and miss penalty.

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