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Clean-Prefetcher: Look-Ahead Prefetching without Cache Pollution
2021
IEICE Electronics Express
In this letter, we propose a novel prefetching technique that is free from cache pollution and thus achieves high performance for multicore processors. Unlike the conventional prefetchers that cause incorrect predictions, the proposed prefetcher reads instructions in advance only in determined paths and charges dynamic random access memory (DRAM) cells storing instructions in undetermined paths via refreshing DRAM cells. The DRAM cells highly charged will be quickly accessed. Since caches
doi:10.1587/elex.18.20210027
fatcat:3qwyca6quzdufkm4awguxfk4vq