Abstract

Multi-core processor parallels two or more computing core in a single processor to enhance computational capability. Plenty of former researches are focused on CMP (Chip multi-processor), the most typical structure of multi-core processor. Thus deign of cache coherence, in particular, is one of the primary problems beyond other researches about CMP. In this paper, cache coherence protocol of CMP is fully presented, along with its advantages and disadvantages. Finally, some edging issues of cache coherence protocols are addressed in this paper.

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