AiDP-SGDUpdated 3 days ago

Advancements in Differentially Private Stochastic Gradient Descent: Shuffling and Statistical Inference

Recent studies on Differentially Private Stochastic Gradient Descent (DP-SGD) highlight the importance of shuffling training data and its implications for privacy guarantees. While shuffling is favored for its efficiency, researchers are also addressing the need for robust statistical inference methods, introducing new techniques for constructing confidence intervals and analyzing the asymptotic properties of DP-SGD.

Related Articles (2)
To Shuffle or not to Shuffle: Auditing DP-SGD with Shuffling
NeutralArtificial Intelligence
The Differentially Private Stochastic Gradient Descent (DP-SGD) algorithm is under scrutiny as researchers explore the implications of shuffling training data, a method that has gained popularity due to its efficiency and lower computational costs. However, the challenge remains in establishing accurate theoretical privacy guarantees when using shuffling, leading to potential discrepancies in privacy assessments compared to traditional Poisson subsampling methods.
Statistical Inference for Differentially Private Stochastic Gradient Descent
NeutralArtificial Intelligence
A recent study has established the asymptotic properties of Differentially Private Stochastic Gradient Descent (DP-SGD), addressing the gap in existing statistical inference methods that primarily focus on cyclic subsampling. The research introduces two methods for constructing valid confidence intervals, demonstrating that the asymptotic variance of DP-SGD can be decomposed into statistical, sampling, and privacy-induced components.

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