So something like an optical FPGA? | Hacker News

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		rpcope1 on April 5, 2023 \| parent \| context \| favorite \| on: TPU v4: An Optically Reconfigurable Supercomputer ... So something like an optical FPGA?

formerly_proven on April 5, 2023 | [–]

Multiplexer for optical paths, which allows you to change the point-to-point wiring. Much like physical circuit switching in a 50s telephone exchange, actually.

nighthawk454 on April 5, 2023 | [–]

not really, only the interconnects between nodes are optical

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