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Scaling HPC Networks with Co-packaged Optics

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Abstract

We propose an HPC network architecture with co-packaged optics enabling 128-port 51.2-Tb/s switches. Simulations for a >34,000-GPU system show up to 11.2x throughput improvement over a Summit-like supercomputer, opening the way to direct-network-attached GPUs.

© 2020 The Author(s)

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