activity
20152023
most citedAsynchronous Federated Optimization

434 citations · 840 across the 16 of their papers we have counts for

collaborators

16 papers

cs.DC2023★ 1 cited

Baechi: Fast Device Placement of Machine Learning Graphs

Beomyeol Jeon, Linda Cai, Chirag Shetty +6

Machine Learning graphs (or models) can be challenging or impossible to train when either devices have limited memory, or models are large. To split the model across devices, learn…

cs.DC2021★ 1 cited

Compressed Communication for Distributed Training: Adaptive Methods and System

Yuchen Zhong, Cong Xie, Shuai Zheng +1

Communication overhead severely hinders the scalability of distributed machine learning systems. Recently, there has been a growing interest in using gradient compression to reduce…

cs.LG2020★ 1 cited

CSER: Communication-efficient SGD with Error Reset

Cong Xie, Shuai Zheng, Oluwasanmi Koyejo +3

The scalability of Distributed Stochastic Gradient Descent (SGD) is today limited by communication bottlenecks. We propose a novel SGD variant: Communication-efficient SGD with Err…

cs.LG2019★ 21 cited

Local AdaAlter: Communication-Efficient Stochastic Gradient Descent with Adaptive Learning Rates

Cong Xie, Oluwasanmi Koyejo, Indranil Gupta +1

When scaling distributed training, the communication overhead is often the bottleneck. In this paper, we propose a novel SGD variant with reduced communication and adaptive learnin…

cs.LG2019★ 58 cited

Fall of Empires: Breaking Byzantine-tolerant SGD by Inner Product Manipulation

Cong Xie, Sanmi Koyejo, Indranil Gupta

Recently, new defense techniques have been developed to tolerate Byzantine failures for distributed machine learning. The Byzantine model captures workers that behave arbitrarily,…

cs.LG2019

Zeno++: Robust Fully Asynchronous SGD

Cong Xie, Sanmi Koyejo, Indranil Gupta

We propose Zeno++, a new robust asynchronous Stochastic Gradient Descent~(SGD) procedure which tolerates Byzantine failures of the workers. In contrast to previous work, Zeno++ rem…

cs.LG2019★ 4 cited

SLSGD: Secure and Efficient Distributed On-device Machine Learning

Cong Xie, Sanmi Koyejo, Indranil Gupta

We consider distributed on-device learning with limited communication and security requirements. We propose a new robust distributed optimization algorithm with efficient communica…

cs.DC2019★ 434 cited

Asynchronous Federated Optimization

Cong Xie, Sanmi Koyejo, Indranil Gupta

Federated learning enables training on a massive number of edge devices. To improve flexibility and scalability, we propose a new asynchronous federated optimization algorithm. We…

cs.DC2018★ 44 cited

Phocas: dimensional Byzantine-resilient stochastic gradient descent

Cong Xie, Oluwasanmi Koyejo, Indranil Gupta

We propose a novel robust aggregation rule for distributed synchronous Stochastic Gradient Descent~(SGD) under a general Byzantine failure model. The attackers can arbitrarily mani…

cs.LG2018★ 83 cited

Zeno: Distributed Stochastic Gradient Descent with Suspicion-based Fault-tolerance

Cong Xie, Oluwasanmi Koyejo, Indranil Gupta

We present Zeno, a technique to make distributed machine learning, particularly Stochastic Gradient Descent (SGD), tolerant to an arbitrary number of faulty workers. Zeno generaliz…

cs.DC2018★ 173 cited

Generalized Byzantine-tolerant SGD

Cong Xie, Oluwasanmi Koyejo, Indranil Gupta

We propose three new robust aggregation rules for distributed synchronous Stochastic Gradient Descent~(SGD) under a general Byzantine failure model. The attackers can arbitrarily m…

cs.LG2018

Attack RMSE Leaderboard: An Introduction and Case Study

Cong Xie

In this manuscript, we briefly introduce several tricks to climb the leaderboards which use RMSE for evaluation without exploiting any training data.

cs.CR2015★ 10 cited

Wishart Mechanism for Differentially Private Principal Components Analysis

Wuxuan Jiang, Cong Xie, Zhihua Zhang

We propose a new input perturbation mechanism for publishing a covariance matrix to achieve -differential privacy. Our mechanism uses a Wishart distribution to generate matr…

cs.LG2015

A New Relaxation Approach to Normalized Hypergraph Cut

Cong Xie, Wu-Jun Li, Zhihua Zhang

Normalized graph cut (NGC) has become a popular research topic due to its wide applications in a large variety of areas like machine learning and very large scale integration (VLSI…

cs.SI2015★ 10 cited

S-PowerGraph: Streaming Graph Partitioning for Natural Graphs by Vertex-Cut

Cong Xie, Wu-Jun Li, Zhihua Zhang

One standard solution for analyzing large natural graphs is to adopt distributed computation on clusters. In distributed computation, graph partitioning (GP) methods assign the ver…

math.NA2015

A Scalable and Extensible Framework for Superposition-Structured Models

Shenjian Zhao, Cong Xie, Zhihua Zhang

In many learning tasks, structural models usually lead to better interpretability and higher generalization performance. In recent years, however, the simple structural models such…