Search Results for author: Adrian Vladu

Found 11 papers, 3 papers with code

Quantized Distributed Training of Large Models with Convergence Guarantees

no code implementations5 Feb 2023 Ilia Markov, Adrian Vladu, Qi Guo, Dan Alistarh

Communication-reduction techniques are a popular way to improve scalability in data-parallel training of deep neural networks (DNNs).

Quantization

CrAM: A Compression-Aware Minimizer

1 code implementation28 Jul 2022 Alexandra Peste, Adrian Vladu, Eldar Kurtic, Christoph H. Lampert, Dan Alistarh

In this work we propose a new compression-aware minimizer dubbed CrAM that modifies the optimization step in a principled way, in order to produce models whose local loss behavior is stable under compression operations such as pruning.

Image Classification Language Modelling +2

AC/DC: Alternating Compressed/DeCompressed Training of Deep Neural Networks

2 code implementations NeurIPS 2021 Alexandra Peste, Eugenia Iofinova, Adrian Vladu, Dan Alistarh

The increasing computational requirements of deep neural networks (DNNs) have led to significant interest in obtaining DNN models that are sparse, yet accurate.

Network Pruning

Decomposable Submodular Function Minimization via Maximum Flow

no code implementations5 Mar 2021 Kyriakos Axiotis, Adam Karczmarz, Anish Mukherjee, Piotr Sankowski, Adrian Vladu

This paper bridges discrete and continuous optimization approaches for decomposable submodular function minimization, in both the standard and parametric settings.

Projection-Free Bandit Optimization with Privacy Guarantees

no code implementations22 Dec 2020 Alina Ene, Huy L. Nguyen, Adrian Vladu

We design differentially private algorithms for the bandit convex optimization problem in the projection-free setting.

Improved Convergence for $\ell_\infty$ and $\ell_1$ Regression via Iteratively Reweighted Least Squares

no code implementations18 Feb 2019 Alina Ene, Adrian Vladu

The iteratively reweighted least squares method (IRLS) is a popular technique used in practice for solving regression problems.

Data Structures and Algorithms

A Parallel Double Greedy Algorithm for Submodular Maximization

no code implementations4 Dec 2018 Alina Ene, Huy L. Nguyen, Adrian Vladu

We study parallel algorithms for the problem of maximizing a non-negative submodular function.

Multidimensional Binary Search for Contextual Decision-Making

no code implementations2 Nov 2016 Ilan Lobel, Renato Paes Leme, Adrian Vladu

We consider a multidimensional search problem that is motivated by questions in contextual decision-making, such as dynamic pricing and personalized medicine.

Decision Making

Tight Bounds for Approximate Carathéodory and Beyond

no code implementations ICML 2017 Vahab Mirrokni, Renato Paes Leme, Adrian Vladu, Sam Chiu-wai Wong

We give a deterministic nearly-linear time algorithm for approximating any point inside a convex polytope with a sparse convex combination of the polytope's vertices.

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