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Tianhe-1A Interconnect and Message-Passing Services

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6 Author(s)
Min Xie ; Nat. Univ. of Defense Technol., Changsha, China ; Yutong Lu ; Kefei Wang ; Lu Liu
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The petascale supercomputer Tianhe-1A, which features hybrid multicore CPU and GPU computing, achieves an optimized balance of computation and communication capabilities through a proprietary high-bandwidth, low-latency interconnect fabric. The authors' message-passing service, based on scalable user-level communication and offloaded operations for large-scale, low-latency collective communication, has achieved a unidirectional bandwidth of 6,340 Mbytes/s.

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Micro, IEEE  (Volume:32 ,  Issue: 1 )