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Tight Group-Level DP Guarantees for DP-SGD with Sampling via Mixture of Gaussians Mechanisms
March 14, 2024, 4:11 a.m. | Arun Ganesh
cs.CR updates on arXiv.org arxiv.org
Abstract: We give a procedure for computing group-level $(\epsilon, \delta)$-DP guarantees for DP-SGD, when using Poisson sampling or fixed batch size sampling. Up to discretization errors in the implementation, the DP guarantees computed by this procedure are tight (assuming we release every intermediate iterate).
arxiv batch computing cs.cr cs.lg delta errors implementation procedure release size
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