关键词: 缓存, 数据预取, 关联规则, 更新率

Abstract: The data cache prefetching is a key technology in mobile environments. Cache-Miss-Initiated Prefetch （CMIP） data can improve the system performance by prefetching strategies to access the client record of the history to mining the association rules and get the prefetch data. However, since it does not take account of the data update rate and data size, cache invalidation often takes place. In this paper, this algorithm was based on the data update rate and it increased the size of the selected data to determine and sort, then made the choice of the prefetching data. Through improving, cache invalidation declines and the data access time and power consumption decrease.

Key words: caching, data Prefetch, association rules, update rate