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Today, general-purpose commercial multicores approaching one hundred cores are already a reality and even thousand core chips are being prototyped. Maintaining coherence across such a high number of cores in these manycore architectures requires careful design of the coherence directory used to keep track of current locations of the memory blocks at the private cache level. In this work we propose a novel organization for the coherence directory that builds on the brand-new concept of waydoi:10.1109/tpds.2019.2917185 fatcat:jt737xhk6jdmrj77nsqpr6vwzm