Data Block Sizing for Channels in a Multi-Channel High-Bandwidth Memory
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United States of America Patent
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Jul 21, 2016
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Jul 21, 2016
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Abstract
The described embodiments include a computing device that caches data acquired from a main memory in a high-bandwidth memory (HBM), the computing device including channels for accessing data stored in corresponding portions of the HBM. During operation, the computing device sets each of the channels so that data blocks stored in the corresponding portions of the HBM include corresponding numbers of cache lines. Based on records of accesses of cache lines in the HBM that were acquired from pages in the main memory, the computing device sets a data block size for each of the pages, the data block size being a number of cache lines. The computing device stores, in the HBM, data blocks acquired from each of the pages in the main memory using a channel having a data block size corresponding to the data block size for each of the pages.
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