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Issue No.01 - January/February (2012 vol.32)
pp: 8-20
Min Xie , National University of Defense Technology, China
Yutong Lu , National University of Defense Technology, China
Kefei Wang , National University of Defense Technology, China
Lu Liu , National University of Defense Technology, China
Hongjia Cao , National University of Defense Technology, China
Xuejun Yang , National University of Defense Technology, China
<p>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.</p>
MPI, collective communication, user-level communication, TianHe-1A, supercomputer, CPU, GPU
Min Xie, Yutong Lu, Kefei Wang, Lu Liu, Hongjia Cao, Xuejun Yang, "Tianhe-1A Interconnect and Message-Passing Services", IEEE Micro, vol.32, no. 1, pp. 8-20, January/February 2012, doi:10.1109/MM.2011.97
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