this post was submitted on 13 Mar 2025
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Photonic Network-on-Wafer for Multi-Chiplet GPUs (2023) (biblio.ugent.be)
submitted 1 week ago* (last edited 1 week ago) by [email protected] to c/[email protected]
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If you think GPUs are big today, you ain't seen nothing yet. This baby (theoretically) scales all the way up to a 300mm wafer.

Abstract

This paper introduces the Photonic Network-on-Wafer (NoW) GPU architecture to overcome fundamental limitations in electrical interconnect scaling by implementing the inter-GPU network in a wafer- scale optical interposer. We argue that the photonic-NoW GPU is a scalable architecture, delivering significant performance benefits in a power-efficient manner.

Edit: Fixed link to PDF.

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[–] [email protected] 2 points 1 week ago

The title now links to the PDF. I moved the image to the body of my post.