Method for cataloging Cache consistency
A consistency and directory technology, applied in the computer field, can solve the problems of low time efficiency and large storage overhead of chained directories, and achieve the effects of easy promotion, strong practicability, and saving storage space
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[0027] A directory Cache consistency method of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0028] as attached figure 1 As shown, the present invention proposes a kind of directory Cache consistency method, and its specific implementation process is:
[0029] Set up a two-level directory storage structure, combine the limited directory and the full-map directory, and then use the Cache consistency method of the two-level directory to solve the excessive storage overhead of the full-map directory. block-related data, so that each cache in the system can simultaneously store a copy of any data block, each directory entry contains N pointers, and N is the number of processors in the system. A limited directory differs from a full-mapped directory in that each directory entry contains a fixed number of pointers, regardless of the size of the system.
[0030] A replacement algorithm is used between the memory layer and t...
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