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GTC On-Demand

HPC and Supercomputing
Presentation
Media
Optimized Inter-GPU Collective Operations with NCCL
Sylvain Jeaugey (NVIDIA)
We'll present the functionalities of NCCL (pronounced "Nickel"), a standalone library of standard collective communication routines, such as all-gather, reduce, broadcast, etc., that have been optimized to achieve high bandwidth ov ...Read More

We'll present the functionalities of NCCL (pronounced "Nickel"), a standalone library of standard collective communication routines, such as all-gather, reduce, broadcast, etc., that have been optimized to achieve high bandwidth over GPU topologies. NCCL can be used in either single- or multi-process (for example, MPI) applications.

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Keywords:
HPC and Supercomputing, Deep Learning and AI, GTC 2017 - ID S7155
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