Photonic Memory Disaggregation in Datacenters

John Shalf; George Michelogiannakis; Brian Austin; Taylor Groves; Manya Ghobadi; Larry Dennison; Tom Gray; Yiwen Shen; Min Yee Teh; Madeleine Glick; Keren Bergman

doi:10.1364/PSC.2020.PsW1F.5

OSA Advanced Photonics Congress (AP) 2020 (IPR, NP, NOMA, Networks, PVLED, PSC, SPPCom, SOF)
OSA Technical Digest (Optica Publishing Group, 2020),
paper PsW1F.5
•https://doi.org/10.1364/PSC.2020.PsW1F.5

Photonic Memory Disaggregation in Datacenters

John Shalf, George Michelogiannakis, Brian Austin, Taylor Groves, Manya Ghobadi, Larry Dennison, Tom Gray, Yiwen Shen, Min Yee Teh, Madeleine Glick, and Keren Bergman

Photonics in Switching and Computing 2020

Washington, DC United States
13–16 July 2020
ISBN: 978-1-943580-79-8

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Photonics for Novel Computing Systems (PsW1F)

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J. Shalf, G. Michelogiannakis, B. Austin, T. Groves, M. Ghobadi, L. Dennison, T. Gray, Y. Shen, M. Y. Teh, M. Glick, and K. Bergman, "Photonic Memory Disaggregation in Datacenters," in OSA Advanced Photonics Congress (AP) 2020 (IPR, NP, NOMA, Networks, PVLED, PSC, SPPCom, SOF), L. Caspani, A. Tauke-Pedretti, F. Leo, and B. Yang, eds., OSA Technical Digest (Optica Publishing Group, 2020), paper PsW1F.5.

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Abstract

Datacenter and HPC workloads have diverse memory capacity requirements, but typical node architectures accommodate a superset of those requirements. High bandwidth density photonic link technologies enable efficient memory disaggregation – potentially reducing wasted memory capacity by 8-10x.

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