2025

FedPaI: Achieving Extreme Sparsity in Federated Learning via Pruning at Initialization

Haonan Wang, Zeli Liu, Kajimusugura Hoshino, Tuo Zhang, John Paul Walters, Stephen Crago
arXiv preprint arXiv:2504.00308, 2025

2017

Load balancing for minimizing deadline misses and total runtime for connected car systems in fog computing

Yu-An Chen, John Paul Walters, Stephen P Crago
2017 IEEE International Symposium on Parallel and Distributed Processing …, 2017

2014

GPU passthrough performance: A comparison of KVM, Xen, VMWare ESXi, and LXC for CUDA and OpenCL applications

John Paul Walters, Andrew J Younge, Dong In Kang, Ke Thia Yao, Mikyung Kang, Stephen P Crago, Geoffrey C Fox
2014 IEEE 7th international conference on cloud computing, 636-643, 2014

2010

Database Searching with Profile-Hidden Markov Models on Reconfigurable and Many-Core Architectures

John Paul Walters, Vipin Chaudhary, Bertil Schmidt
Bioinformatics: high performance parallel computer architectures 2, 203, 2010

Computation Checkpointing and Migration

Vipin Chaudhary, John Paul N Walters, Hai Jiang
Nova Science Publishers, Inc., 2010

Applying graphics processor units to Monte Carlo dose calculation in radiation therapy

M Bakhtiari, H Malhotra, MD Jones, V Chaudhary, JP Walters, D Nazareth
Journal of Medical Physics 35 (2), 120-122, 2010

2009

Improving MPI-HMMER's scalability with parallel I/O

John Paul Walters, Rohan Darole, Vipin Chaudhary
Parallel & Distributed Processing. IPDPS 2009. IEEE International …, 2009

Evaluating the use of GPUs in liver image segmentation and HMMER database searches

John Paul Walters, Vidyananth Balu, Suryaprakash Kompalli, Vipin Chaudhary
2009 Ieee International Symposium on Parallel & Distributed Processing, 1-12, 2009

A fault-tolerant strategy for virtualized HPC clusters

John Paul Walters, Vipin Chaudhary
The Journal of Supercomputing 50, 209-239, 2009

2008

Replication-based fault tolerance for MPI applications

John Paul Walters, Vipin Chaudhary
IEEE Transactions on Parallel and Distributed Systems 20 (7), 997-1010, 2008

A comparison of virtualization technologies for HPC

John Paul Walters, Vipin Chaudhary, Minsuk Cha, Salvatore Guercio, Steve Gallo
22nd International Conference on Advanced Information Networking and …, 2008

Evaluating the use of GPUs in liver image segmentation and HMMR database searches

Vipin Chaudhary, Suryaprakash Kompalli, John Paul Walters, Vidyananth Balu
2008

Improving MPI-HMMER's Scalability with Parallel I/O

Vipin Chaudhary, John Paul Walters, Rohan Darole
2008

Accelerating molecular dynamics simulations with gpus

John Paul Walters, Vidyananth Balu, Vipin Chaudhary, David Kofke, Andrew Schultz
ISCA PDCCS, 44-49, 2008

Optimized Cluster‐Enabled HMMER Searches

John Paul Walters, Joseph Landman, Vipin Chaudhary
Grid computing for bioinformatics and computational biology, 51-70, 2008

Enabling interactive jobs in virtualized data centers

John Paul Walters, Bhagyashree Bantwal, Vipin Chaudhary
Cloud Computing and Its Applications, 2008

2007

MPI-HMMER-Boost: Distributed fpga acceleration

John Paul Walters, Xiandong Meng, Vipin Chaudhary, Tim Oliver, Leow Yuan Yeow, Bertil Schmidt, Darran Nathan, Joseph Landman
The Journal of VLSI Signal Processing 48 (3), 223-238, 2007

Failure Prediction and Scalable Checkpointing for Reliable Large-Scale Grid Computing

Brent Rood, John Paul Walters, Vipin Chaudhary, Michael J Lewis
IEEE HPDC’07, 2007

Wireless sensor network security: A survey

John Paul Walters, Zhengqiang Liang, Weisong Shi, Vipin Chaudhary
Security in distributed, grid, mobile, and pervasive computing, 367, 2007

A comprehensive user-level checkpointing strategy for MPI applications

J Walters, Vipin Chaudhary
Technical report, TR 2007-1, 2007

Wireless sensor network security: A survey, in book chapter of security

John Paul Walters, Zhengqiang Liang, Weisong Shi, Vipin Chaudhary
in Distributed, Grid, and Pervasive Computing, Yang Xiao (Eds, 0-849, 2007

A scalable asynchronous replication-based strategy for fault tolerant MPI applications

John Walters, Vipin Chaudhary
High Performance Computing, HiPC 2007, 257-268, 2007

2006

An adaptive heterogeneous software DSM

John Paul Walters, Hai Jiang, Vipin Chaudhary
2006 International Conference on Parallel Processing Workshops (ICPPW'06), 8 …, 2006

Accelerating HMMer searches on Opteron processors with minimally invasive recoding

Joseph Landman, Joydeep Ray, John Paul Walters
20th International Conference on Advanced Information Networking and …, 2006

Accelerating the HMMER sequence analysis suite using conventional processors

John Paul Walters, Bashar Qudah, Vipin Chaudhary
20th International Conference on Advanced Information Networking and …, 2006

Data Conversion for Heterogeneous Migration/Checkpointing

Hai Jiang, Vipin Chaudhary, John Paul Walters
High-performance computing: paradigm and infrastructure 44, 241, 2006

Application-level checkpointing techniques for parallel programs

John Walters, Vipin Chaudhary
Distributed Computing and Internet Technology, 221-234, 2006

2003

Data conversion for process/thread migration and checkpointing

Hai Jiang, Vipin Chaudhary, John Paul Walters
2003 International Conference on Parallel Processing. Proceedings …, 2003