Researchers at Meta, MIT and other institutions connected servers with a dozen Nvidia GPUs with optical switches and a robotic arm, devising a new interconnect that could be used for machine learning. The fabric, called “TopoOpt,” can create network topologies on the fly depending on computing needs. The technology comes as high-performance computers are being strained by wider adoption of AI technologies like ChatGPT, which is testing the limits of Microsoft’s AI supercomputing.
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