Reducing Network Congestion and Synchronization Overhead During Aggregation of Hierarchical Data

Abstract

Hierarchical data representations have been shown to be effective tools for coping with large-scale scientific data. Writing hierarchical data on supercomputers, however, is challenging as it often involves all-to-one communication during aggregation of low-resolution data which tends to span the entire network domain, resulting in several bottlenecks. We… (More)
DOI: 10.1109/HiPC.2017.00034

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