SCTuner: An Autotuner Addressing Dynamic I/O Needs on Supercomputer I/O Subsystems

Houjun Tang,Bing Xie,Suren Byna,Philip Carns,Quincey Koziol,Sudarsun Kannan,Jay Lofstead,Sarp Oral

2021 IEEE/ACM Sixth International Parallel Data Systems Workshop (PDSW)（2021）

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摘要

In high-performance computing (HPC), scientific applications often manage a massive amount of data using I/O libraries. These libraries provide convenient data model abstractions, help ensure data portability, and, most important, empower end users to improve I/O performance by tuning configurations across multiple layers of the HPC I/O stack. We propose SCTuner, an autotuner integrated within the...

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关键词

Runtime,Tuners,File systems,Production,Benchmark testing,Supercomputers,Libraries

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