Baghdad Sci.J volume 14, issue 1, P219-230 2017 DOI: 10.21123/bsj.14.1.219-230 View full text
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Baghdad Science Journal

Abstract: To improve the efficiency of a processor in recent multiprocessor systems to deal with data, cache memories are used to access data instead of main memory which reduces the latency of delay time. In such systems, when installing different caches in different processors in shared memory architecture, the difficulties appear when there is a need to maintain consistency between the cache memories of different processors. So, cache coherency protocol is very important in such kinds of system. MSI, MESI, MOSI, MOE…

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