Siyuan Shen
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2026
Every Microsecond Matters: Achieving Near Speed-of-Light Latency in GPU Collectives
This paper explores methods to reduce latency in GPU collective communications for large language model inference, achieving near-optimal designs with barrier-free synchronization and efficient use of symmetric memory and multicast.
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Papers
cs.DCEmpiricalRecentJul 17, 2026
Every Microsecond Matters: Achieving Near Speed-of-Light Latency in GPU Collectives
Siyuan Shen, Anton Korzh, John Bachan, Tiancheng Chen +9 more
This paper explores methods to reduce latency in GPU collective communications for large language model inference, achieving near-optimal designs with barrier-free synchronization and efficient use of…
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