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PrivCirNet: Efficient Private Inference via Block Circulant Transformation

Neural Information Processing Systems

Homomorphic encryption (HE)-based deep neural network (DNN) inference protects data and model privacy but suffers from significant computation overhead. We observe transforming the DNN weights into circulant matrices converts general matrix-vector multiplications into HE-friendly 1-dimensional convolutions, drastically reducing the HE computation cost.



e-COP: Episodic Constrained Optimization of Policies

Neural Information Processing Systems

Through extensive empirical analysis using benchmarks in the Safety Gym suite, we show that our algorithm has similar or better performance than SoT A (non-episodic) algorithms adapted for the episodic setting.





Optimal ablation for interpretability

Neural Information Processing Systems

Interpretability work in machine learning (ML) seeks to develop tools that make models more intelligible to humans in order to better monitor model behavior and predict failure modes. Early work in interpretability sought to identify relationships between model outputs and input features (Ribeiro et al., 2016; Covert et al., 2022), but with only black-box query access to observe inputs and outputs, it can be difficult to evaluate a model's internal logic.