Powerful supercomputer can now run on light instead of electric current

This powerful supercomputer can now run on light instead of electric current.
France’s Jean Zay supercomputer now has an integrated photonic coprocessor

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The headline is a bit misleading; the article says, several paragraphs in:

LightOn’s Optical Processing Unit (OPU) uses photonics to speed up randomized algorithms at a very large scale. However, it also works in tandem with standard silicon CPUs and Nvidia’s A100 GPU technology.

So more like “in addition to”, rather than “instead of”.

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