Unifying Physical Backpropagation
Physical computing systems exploit device dynamics for computation, but their gradient-based optimization is challenging: backpropagation through a digital twin suffers from a model-reality gap. On-device gradient computation could resolve this issue, and a handful of theoretical and experimental studies have proposed...
Cyrill Bösch, Yiğithan Gediz, C. C. Wanjura et al.
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