Search Results for author: Sindri Magnússon

Found 11 papers, 2 papers with code

Compressed Federated Reinforcement Learning with a Generative Model

no code implementations26 Mar 2024 Ali Beikmohammadi, Sarit Khirirat, Sindri Magnússon

Addressing this challenge, federated reinforcement learning (FedRL) has emerged, wherein agents collaboratively learn a single policy by aggregating local estimations.

Q-Learning reinforcement-learning

Distributed Momentum Methods Under Biased Gradient Estimations

no code implementations29 Feb 2024 Ali Beikmohammadi, Sarit Khirirat, Sindri Magnússon

In this work, we establish non-asymptotic convergence bounds on distributed momentum methods under biased gradient estimation on both general non-convex and $\mu$-PL non-convex problems.

Distributed Optimization Meta-Learning

On the Convergence of Federated Learning Algorithms without Data Similarity

1 code implementation29 Feb 2024 Ali Beikmohammadi, Sarit Khirirat, Sindri Magnússon

In this paper, we present a novel and unified framework for analyzing the convergence of federated learning algorithms without the need for data similarity conditions.

Federated Learning

SCANIA Component X Dataset: A Real-World Multivariate Time Series Dataset for Predictive Maintenance

no code implementations26 Jan 2024 Zahra Kharazian, Tony Lindgren, Sindri Magnússon, Olof Steinert, Oskar Andersson Reyna

The objective of releasing this dataset is to give a broad range of researchers the possibility of working with real-world data from an internationally well-known company and introduce a standard benchmark to the predictive maintenance field, fostering reproducible research.

Anomaly Detection Survival Analysis +1

Human-Inspired Framework to Accelerate Reinforcement Learning

1 code implementation28 Feb 2023 Ali Beikmohammadi, Sindri Magnússon

This paper introduces a novel human-inspired framework to enhance RL algorithm sample efficiency.

Decision Making reinforcement-learning +2

On the Convergence of Step Decay Step-Size for Stochastic Optimization

no code implementations NeurIPS 2021 Xiaoyu Wang, Sindri Magnússon, Mikael Johansson

The convergence of stochastic gradient descent is highly dependent on the step-size, especially on non-convex problems such as neural network training.

Stochastic Optimization

The Internet of Things as a Deep Neural Network

no code implementations23 Mar 2020 Rong Du, Sindri Magnússon, Carlo Fischione

To ensure communication efficiency, this article proposes to model the measurement compression at IoT nodes and the inference at the base station or cloud as a deep neural network (DNN).

Time Series Time Series Analysis

A flexible framework for communication-efficient machine learning: from HPC to IoT

no code implementations13 Mar 2020 Sarit Khirirat, Sindri Magnússon, Arda Aytekin, Mikael Johansson

With the increasing scale of machine learning tasks, it has become essential to reduce the communication between computing nodes.

BIG-bench Machine Learning

Compressed Gradient Methods with Hessian-Aided Error Compensation

no code implementations23 Sep 2019 Sarit Khirirat, Sindri Magnússon, Mikael Johansson

Several gradient compression techniques have been proposed to reduce the communication load at the price of a loss in solution accuracy.

On Maintaining Linear Convergence of Distributed Learning and Optimization under Limited Communication

no code implementations26 Feb 2019 Sindri Magnússon, Hossein Shokri-Ghadikolaei, Na Li

The communication time of these algorithms follows a complex interplay between a) the algorithm's convergence properties, b) the compression scheme, and c) the transmission rate offered by the digital channel.

BIG-bench Machine Learning Distributed Optimization

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