Design and Performance Evaluation of UCX for Tofu-D Interconnect with OpenSHMEM-UCX on Fugaku

Design and Performance Evaluation of UCX for Tofu-D Interconnect with OpenSHMEM-UCX on Fugaku
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使用 Fugaku 上的 OpenSHMEM-UCX 进行 Tofu-D 互连 UCX 的设计和性能评估

DOI:
10.1109/paw-atm56565.2022.00010
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发表时间:
2022
期刊:
2022 IEEE/ACM Parallel Applications Workshop: Alternatives To MPI+X (PAW-ATM)
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--
通讯作者:
Boku Taisuke
Boku Taisuke
中科院分区:
--
文献类型:
--
作者:
Watanabe Yutaka;Sato Mitsuhisa;Tsuji Miwako;Murai Hitoshi;Boku Taisuke

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The partitioned global address space (PGAS) model with one-sided communication has recently received attention as an easy and intuitive method for describing remote data access in nodes. PGAS can be implemented using remote direct memory access, which provides lightweight one-sided communication and low overhead synchronization semantics. In this paper, to enable portable, lightweight, and efficient one-sided communication on the Fugaku supercomputer, we designed and implemented Universal Communication X (UCX) for Tofu Interconnect D. An evaluation using OpenSHMEM-UCX and OSHMPI indicates that OpenSHMEM with UCX on Tofu Interconnect D enables smaller latency and better efficiency compared with that for OpenSHMEM with MPI and that it is beneficial for several applications based on PGAS models.
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