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SC18: International Conference for High Performance Computing, Networking, Storage and Analysis
With increasing core counts, the scalability of directory-based cache coherence has become a challenging problem. To reduce the area and power needs of the directory, recent proposals reduce its size by classifying data as private or shared, and disable coherence for private data. However, existing classification methods suffer from inaccuracies and require complex hardware support with limited scalability. This paper proposes a hardware/software co-designed approach: the runtime systemdoi:10.1109/sc.2018.00038 fatcat:5zfpsxgbxbf7vfg36ng2k5jg6y