Vitus J. Leung

According to our database, Vitus J. Leung authored at least 43 papers between 1992 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2024

Runtime Performance Anomaly Diagnosis in Production HPC Systems Using Active Learning.

Burak Aksar, Efe Sencan, Benjamin Schwaller, Omar Aaziz, Vitus J. Leung, Jim M. Brandt, Brian Kulis, Manuel Egele, Ayse K. Coskun

IEEE Trans. Parallel Distributed Syst., April, 2024

2023

Prodigy: Towards Unsupervised Anomaly Detection in Production HPC Systems.

Burak Aksar, Efe Sencan, Benjamin Schwaller, Omar Aaziz, Vitus J. Leung, Jim M. Brandt, Brian Kulis, Manuel Egele, Ayse K. Coskun

Proceedings of the International Conference for High Performance Computing, 2023

2022

ALBADross: Active Learning Based Anomaly Diagnosis for Production HPC Systems.

Burak Aksar, Efe Sencan, Benjamin Schwaller, Omar Aaziz, Vitus J. Leung, Jim M. Brandt, Brian Kulis, Ayse K. Coskun

Proceedings of the IEEE International Conference on Cluster Computing, 2022

2021

Proctor: A Semi-Supervised Performance Anomaly Diagnosis Framework for Production HPC Systems.

Burak Aksar, Yijia Zhang, Emre Ates, Benjamin Schwaller, Omar Aaziz, Vitus J. Leung, Jim M. Brandt, Manuel Egele, Ayse K. Coskun

Proceedings of the High Performance Computing - 36th International Conference, 2021

Using Monitoring Data to Improve HPC Performance via Network-Data-Driven Allocation.

Yijia Zhang, Burak Aksar, Omar Aaziz, Benjamin Schwaller, Jim M. Brandt, Vitus J. Leung, Manuel Egele, Ayse K. Coskun

Proceedings of the 2021 IEEE High Performance Extreme Computing Conference, 2021

E2EWatch: An End-to-End Anomaly Diagnosis Framework for Production HPC Systems.

Burak Aksar, Benjamin Schwaller, Omar Aaziz, Vitus J. Leung, Jim M. Brandt, Manuel Egele, Ayse K. Coskun

Proceedings of the Euro-Par 2021: Parallel Processing, 2021

2020

Counterfactual Explanations for Machine Learning on Multivariate Time Series Data.

Emre Ates, Burak Aksar, Vitus J. Leung, Ayse K. Coskun

CoRR, 2020

2019

Online Diagnosis of Performance Variation in HPC Systems Using Machine Learning.

Ozan Tuncer, Emre Ates, Yijia Zhang, Ata Turk, Jim M. Brandt, Vitus J. Leung, Manuel Egele, Ayse K. Coskun

IEEE Trans. Parallel Distributed Syst., 2019

HPAS: An HPC Performance Anomaly Suite for Reproducing Performance Variations.

Emre Ates, Yijia Zhang, Burak Aksar, Jim M. Brandt, Vitus J. Leung, Manuel Egele, Ayse K. Coskun

Proceedings of the 48th International Conference on Parallel Processing, 2019

2018

Level-Spread: A New Job Allocation Policy for Dragonfly Networks.

Yijia Zhang, Ozan Tuncer, Fulya Kaplan, Katzalin Olcoz, Vitus J. Leung, Ayse K. Coskun

Proceedings of the 2018 IEEE International Parallel and Distributed Processing Symposium, 2018

Taxonomist: Application Detection Through Rich Monitoring Data.

Emre Ates, Ozan Tuncer, Ata Turk, Vitus J. Leung, Jim M. Brandt, Manuel Egele, Ayse K. Coskun

Proceedings of the Euro-Par 2018: Parallel Processing, 2018

Statistical Models of Dengue Fever.

Hamilton Link, Samuel N. Richter, Vitus J. Leung, Randy C. Brost, Cynthia A. Phillips, Andrea Staid

Proceedings of the Data Mining - 16th Australasian Conference, AusDM 2018, Bahrurst, NSW, 2018

2017

Trends in Data Locality Abstractions for HPC Systems.

Didem Unat, Anshu Dubey, Torsten Hoefler, John Shalf, Mark James Abraham, Mauro Bianco, Bradford L. Chamberlain, Romain Cledat, H. Carter Edwards, Hal Finkel, Karl Fuerlinger, Frank Hannig, Emmanuel Jeannot, Amir Kamil, Jeff Keasler, Paul H. J. Kelly, Vitus J. Leung, Hatem Ltaief, Naoya Maruyama, Chris J. Newburn, Miquel Pericàs

IEEE Trans. Parallel Distributed Syst., 2017

Diagnosing Performance Variations in HPC Applications Using Machine Learning.

Ozan Tuncer, Emre Ates, Yijia Zhang, Ata Turk, Jim M. Brandt, Vitus J. Leung, Manuel Egele, Ayse K. Coskun

Proceedings of the High Performance Computing - 32nd International Conference, 2017

Unveiling the Interplay Between Global Link Arrangements and Network Management Algorithms on Dragonfly Networks.

Fulya Kaplan, Ozan Tuncer, Vitus J. Leung, K. Scott Hemmert, Ayse K. Coskun

Proceedings of the 17th IEEE/ACM International Symposium on Cluster, 2017

2016

Local search to improve coordinate-based task mapping.

Evan Balzuweit, David P. Bunde, Vitus J. Leung, Austin Finley, Alan C. S. Lee

Parallel Comput., 2016

2015

Simulation and optimization of HPC job allocation for jointly reducing communication and cooling costs.

Jie Meng, Samuel McCauley, Fulya Kaplan, Vitus J. Leung, Ayse K. Coskun

Sustain. Comput. Informatics Syst., 2015

PaCMap: Topology Mapping of Unstructured Communication Patterns onto Non-contiguous Allocations.

Ozan Tuncer, Vitus J. Leung, Ayse K. Coskun

Proceedings of the 29th ACM on International Conference on Supercomputing, 2015

Comparing Global Link Arrangements for Dragonfly Networks.

Emily M. Hastings, David Rincon-Cruz, Marc Spehlmann, Sofia Meyers, Anda Xu, David P. Bunde, Vitus J. Leung

Proceedings of the 2015 IEEE International Conference on Cluster Computing, 2015

2014

Abstract machine models and proxy architectures for exascale computing.

James A. Ang, Richard F. Barrett, R. E. Benner, D. Burke, C. Chan, Jeanine E. Cook, David Donofrio, Simon D. Hammond, Karl S. Hemmert, Suzanne M. Kelly, H. Le, Vitus J. Leung, David R. Resnick, Arun F. Rodrigues, John Shalf, Dylan T. Stark, Didem Unat, Nicholas J. Wright

Proceedings of the 1st International Workshop on Hardware-Software Co-Design for High Performance Computing, 2014

Task mapping stencil computations for non-contiguous allocations.

Vitus J. Leung, David P. Bunde, Jonathan Ebbers, Stefan P. Feer, Nickolas W. Price, Zachary D. Rhodes, Matthew Swank

Proceedings of the ACM SIGPLAN Symposium on Principles and Practice of Parallel Programming, 2014

Exploiting Geometric Partitioning in Task Mapping for Parallel Computers.

Mehmet Deveci, Sivasankaran Rajamanickam, Vitus J. Leung, Kevin T. Pedretti, Stephen L. Olivier, David P. Bunde, Ümit V. Çatalyürek, Karen D. Devine

Proceedings of the 2014 IEEE 28th International Parallel and Distributed Processing Symposium, 2014

PReMAS: Simulator for Resource Management.

David P. Bunde, Vitus J. Leung

Proceedings of the 43rd International Conference on Parallel Processing Workshops, 2014

2013

Backfilling with guarantees made as jobs arrive.

Alexander M. Lindsay, Maxwell Galloway-Carson, Christopher R. Johnson, David P. Bunde, Vitus J. Leung

Concurr. Comput. Pract. Exp., 2013

Efficient scheduling to minimize calibrations.

Michael A. Bender, David P. Bunde, Vitus J. Leung, Samuel McCauley, Cynthia A. Phillips

Proceedings of the 25th ACM Symposium on Parallelism in Algorithms and Architectures, 2013

Variations of Conservative Backfilling to Improve Fairness.

Avinab Rajbhandary, David P. Bunde, Vitus J. Leung

Proceedings of the Job Scheduling Strategies for Parallel Processing, 2013

2012

Brief announcement: subgraph isomorphism on a multithreaded shared memory architecture.

Claire C. Ralph, Vitus J. Leung, Will McLendon III

Proceedings of the 24th ACM Symposium on Parallelism in Algorithms and Architectures, 2012

2011

Backfilling with Guarantees Granted upon Job Submission.

Alexander M. Lindsay, Maxwell Galloway-Carson, Christopher R. Johnson, David P. Bunde, Vitus J. Leung

Proceedings of the Euro-Par 2011 Parallel Processing - 17th International Conference, 2011

2010

An Interoperable, Data-Structure-Neutral Component for Mesh Query and Manipulation.

Carl Ollivier-Gooch, Lori Freitag Diachin, Mark S. Shephard, Timothy Tautges, Jason Kraftcheck, Vitus J. Leung, Xiaojuan Luo, Mark Miller

ACM Trans. Math. Softw., 2010

Parallel Job Scheduling Policies to Improve Fairness: A Case Study.

Vitus J. Leung, Gerald Sabin, P. Sadayappan

Proceedings of the 39th International Conference on Parallel Processing, 2010

A Tie-Breaking Strategy for Processor Allocation in Meshes.

Christopher R. Johnson, David P. Bunde, Vitus J. Leung

Proceedings of the 39th International Conference on Parallel Processing, 2010

2009

Scheduling Restartable Jobs with Short Test Runs.

Ojaswirajanya Thebe, David P. Bunde, Vitus J. Leung

Proceedings of the Job Scheduling Strategies for Parallel Processing, 2009

2008

Probabilistic analysis for scheduling with conflicts.

Sandy Irani, Vitus J. Leung

Theor. Comput. Sci., 2008

Communication-Aware Processor Allocation for Supercomputers: Finding Point Sets of Small Average Distance.

Michael A. Bender, David P. Bunde, Erik D. Demaine, Sándor P. Fekete, Vitus J. Leung, Henk Meijer, Cynthia A. Phillips

Algorithmica, 2008

2005

Communication-Aware Processor Allocation for Supercomputers.

Michael A. Bender, David P. Bunde, Erik D. Demaine, Sándor P. Fekete, Vitus J. Leung, Henk Meijer, Cynthia A. Phillips

Proceedings of the Algorithms and Data Structures, 9th International Workshop, 2005

2004

Communication Patterns and Allocation Strategies.

David P. Bunde, Vitus J. Leung, Jens Mache

Proceedings of the 18th International Parallel and Distributed Processing Symposium (IPDPS 2004), 2004

2003

Scheduling with Conflicts on Bipartite and Interval Graphs.

Sandy Irani, Vitus J. Leung

J. Sched., 2003

2002

Processor Allocation on Cplant: Achieving General Processor Locality Using One-Dimensional Allocation Strategies.

Vitus J. Leung, Esther M. Arkin, Michael A. Bender, David P. Bunde, Jeanette Johnston, Alok Lal, Joseph S. B. Mitchell, Cynthia A. Phillips, Steven S. Seiden

Proceedings of the 2002 IEEE International Conference on Cluster Computing (CLUSTER 2002), 2002

2001

Experimental Results on Statistical Approaches to Page Replacement Policies.

Vitus J. Leung, Sandy Irani

Proceedings of the Algorithm Engineering and Experimentation, Third International Workshop, 2001

2000

Strengthening integrality gaps for capacitated network design and covering problems.

Robert D. Carr, Lisa Fleischer, Vitus J. Leung, Cynthia A. Phillips

Proceedings of the Eleventh Annual ACM-SIAM Symposium on Discrete Algorithms, 2000

1997

The Undecidability of the Unrestricted Modified Edit Distance.

Vitus J. Leung

Theor. Comput. Sci., 1997

1996

Scheduling with Conflicts, and Applications to Traffic Signal Control.

Sandy Irani, Vitus J. Leung

Proceedings of the Seventh Annual ACM-SIAM Symposium on Discrete Algorithms, 1996

1992

Graph Tool - A Tool for Interactive Design and Manipulation of Graphs and Graph Algorithms.

Vitus J. Leung, Michael B. Dillencourt, Andrew L. Bliss

Proceedings of the Computational Support for Discrete Mathematics, 1992