From Local SGD to Local Fixed-Point Methods for Federated Learning

3 Apr 2020Grigory MalinovskyDmitry KovalevElnur GasanovLaurent CondatPeter Richtárik

Most algorithms for solving optimization problems or finding saddle points of convex-concave functions are fixed-point algorithms. In this work we consider the generic problem of finding a fixed point of an average of operators, or an approximation thereof, in a distributed setting... (read more)

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