Vitus J. Leung

Publication Activity (10 Years)

Years Active: 1992-2024
Publications (10 Years): 16

Top Topics

Anomaly Detection

Allocation Policy

Resource Management

Medical Diagnosis

Top Venues

IEEE Trans. Parallel Distributed Syst.

Publications

Burak Aksar, Efe Sencan, Benjamin Schwaller, Omar Aaziz, Vitus J. Leung, Jim M. Brandt, Brian Kulis, Manuel Egele, Ayse K. Coskun
Runtime Performance Anomaly Diagnosis in Production HPC Systems Using Active Learning. IEEE Trans. Parallel Distributed Syst. 35 (4) (2024)
Burak Aksar, Efe Sencan, Benjamin Schwaller, Omar Aaziz, Vitus J. Leung, Jim M. Brandt, Brian Kulis, Manuel Egele, Ayse K. Coskun
Prodigy: Towards Unsupervised Anomaly Detection in Production HPC Systems. SC (2023)
Burak Aksar, Efe Sencan, Benjamin Schwaller, Omar Aaziz, Vitus J. Leung, Jim M. Brandt, Brian Kulis, Ayse K. Coskun
ALBADross: Active Learning Based Anomaly Diagnosis for Production HPC Systems. CLUSTER (2022)
Burak Aksar, Yijia Zhang, Emre Ates, Benjamin Schwaller, Omar Aaziz, Vitus J. Leung, Jim M. Brandt, Manuel Egele, Ayse K. Coskun
Proctor: A Semi-Supervised Performance Anomaly Diagnosis Framework for Production HPC Systems. ISC (2021)
Burak Aksar, Benjamin Schwaller, Omar Aaziz, Vitus J. Leung, Jim M. Brandt, Manuel Egele, Ayse K. Coskun
E2EWatch: An End-to-End Anomaly Diagnosis Framework for Production HPC Systems. Euro-Par (2021)
Yijia Zhang, Burak Aksar, Omar Aaziz, Benjamin Schwaller, Jim M. Brandt, Vitus J. Leung, Manuel Egele, Ayse K. Coskun
Using Monitoring Data to Improve HPC Performance via Network-Data-Driven Allocation. HPEC (2021)
Emre Ates, Burak Aksar, Vitus J. Leung, Ayse K. Coskun
Counterfactual Explanations for Machine Learning on Multivariate Time Series Data. CoRR (2020)
Emre Ates, Yijia Zhang, Burak Aksar, Jim M. Brandt, Vitus J. Leung, Manuel Egele, Ayse K. Coskun
HPAS: An HPC Performance Anomaly Suite for Reproducing Performance Variations. ICPP (2019)
Ozan Tuncer, Emre Ates, Yijia Zhang, Ata Turk, Jim M. Brandt, Vitus J. Leung, Manuel Egele, Ayse K. Coskun
Online Diagnosis of Performance Variation in HPC Systems Using Machine Learning. IEEE Trans. Parallel Distributed Syst. 30 (4) (2019)
Emre Ates, Ozan Tuncer, Ata Turk, Vitus J. Leung, Jim M. Brandt, Manuel Egele, Ayse K. Coskun
Taxonomist: Application Detection Through Rich Monitoring Data. Euro-Par (2018)
Yijia Zhang, Ozan Tuncer, Fulya Kaplan, Katzalin Olcoz, Vitus J. Leung, Ayse K. Coskun
Level-Spread: A New Job Allocation Policy for Dragonfly Networks. IPDPS (2018)
Hamilton Link, Samuel N. Richter, Vitus J. Leung, Randy C. Brost, Cynthia A. Phillips, Andrea Staid
Statistical Models of Dengue Fever. AusDM (2018)
Fulya Kaplan, Ozan Tuncer, Vitus J. Leung, K. Scott Hemmert, Ayse K. Coskun
Unveiling the Interplay Between Global Link Arrangements and Network Management Algorithms on Dragonfly Networks. CCGrid (2017)
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
Trends in Data Locality Abstractions for HPC Systems. IEEE Trans. Parallel Distributed Syst. 28 (10) (2017)
Ozan Tuncer, Emre Ates, Yijia Zhang, Ata Turk, Jim M. Brandt, Vitus J. Leung, Manuel Egele, Ayse K. Coskun
Diagnosing Performance Variations in HPC Applications Using Machine Learning. ISC (2017)
Evan Balzuweit, David P. Bunde, Vitus J. Leung, Austin Finley, Alan C. S. Lee
Local search to improve coordinate-based task mapping. Parallel Comput. 51 (2016)
Jie Meng, Samuel McCauley, Fulya Kaplan, Vitus J. Leung, Ayse K. Coskun
Simulation and optimization of HPC job allocation for jointly reducing communication and cooling costs. Sustain. Comput. Informatics Syst. 6 (2015)
Emily M. Hastings, David Rincon-Cruz, Marc Spehlmann, Sofia Meyers, Anda Xu, David P. Bunde, Vitus J. Leung
Comparing Global Link Arrangements for Dragonfly Networks. CLUSTER (2015)
Ozan Tuncer, Vitus J. Leung, Ayse K. Coskun
PaCMap: Topology Mapping of Unstructured Communication Patterns onto Non-contiguous Allocations. ICS (2015)
J. A. Ang, Richard F. Barrett, R. E. Benner, D. Burke, C. Chan, Jeanine E. Cook, David Donofrio, Simon D. Hammond, Karl S. Hemmert, S. M. Kelly, H. Le, Vitus J. Leung, David R. Resnick, Arun F. Rodrigues, John Shalf, Dylan T. Stark, Didem Unat, Nicholas J. Wright
Abstract machine models and proxy architectures for exascale computing. Co-HPC@SC (2014)
David P. Bunde, Vitus J. Leung
PReMAS: Simulator for Resource Management. ICPP Workshops (2014)
Mehmet Deveci, Sivasankaran Rajamanickam, Vitus J. Leung, Kevin T. Pedretti, Stephen L. Olivier, David P. Bunde, Ümit V. Çatalyürek, Karen D. Devine
Exploiting Geometric Partitioning in Task Mapping for Parallel Computers. IPDPS (2014)
Vitus J. Leung, David P. Bunde, Jonathan Ebbers, Stefan P. Feer, Nickolas W. Price, Zachary D. Rhodes, Matthew Swank
Task mapping stencil computations for non-contiguous allocations. PPOPP (2014)
David P. Bunde, Vitus J. Leung
PReMAS: Simulator for Resource Management. ICPP Workshops (2014)
Avinab Rajbhandary, David P. Bunde, Vitus J. Leung
Variations of Conservative Backfilling to Improve Fairness. JSSPP (2013)
Alexander M. Lindsay, Maxwell Galloway-Carson, Christopher R. Johnson, David P. Bunde, Vitus J. Leung
Backfilling with guarantees made as jobs arrive. Concurr. Comput. Pract. Exp. 25 (4) (2013)
Michael A. Bender, David P. Bunde, Vitus J. Leung, Samuel McCauley, Cynthia A. Phillips
Efficient scheduling to minimize calibrations. SPAA (2013)
Claire C. Ralph, Vitus J. Leung, Will McLendon III
Brief announcement: subgraph isomorphism on a multithreaded shared memory architecture. SPAA (2012)
Alexander M. Lindsay, Maxwell Galloway-Carson, Christopher R. Johnson, David P. Bunde, Vitus J. Leung
Backfilling with Guarantees Granted upon Job Submission. Euro-Par (1) (2011)
Vitus J. Leung, Gerald Sabin, P. Sadayappan
Parallel Job Scheduling Policies to Improve Fairness: A Case Study. ICPP Workshops (2010)
Carl Ollivier-Gooch, Lori Freitag Diachin, Mark S. Shephard, Timothy Tautges, Jason Kraftcheck, Vitus J. Leung, Xiaojuan Luo, Mark Miller
An Interoperable, Data-Structure-Neutral Component for Mesh Query and Manipulation. ACM Trans. Math. Softw. 37 (3) (2010)
Christopher R. Johnson, David P. Bunde, Vitus J. Leung
A Tie-Breaking Strategy for Processor Allocation in Meshes. ICPP Workshops (2010)
Ojaswirajanya Thebe, David P. Bunde, Vitus J. Leung
Scheduling Restartable Jobs with Short Test Runs. JSSPP (2009)
Michael A. Bender, David P. Bunde, Erik D. Demaine, Sándor P. Fekete, Vitus J. Leung, Henk Meijer, Cynthia A. Phillips
Communication-Aware Processor Allocation for Supercomputers: Finding Point Sets of Small Average Distance. Algorithmica 50 (2) (2008)
Sandy Irani, Vitus J. Leung
Probabilistic analysis for scheduling with conflicts. Theor. Comput. Sci. 396 (1-3) (2008)
Michael A. Bender, David P. Bunde, Erik D. Demaine, Sándor P. Fekete, Vitus J. Leung, Henk Meijer, Cynthia A. Phillips
Communication-Aware Processor Allocation for Supercomputers. WADS (2005)
Michael A. Bender, David P. Bunde, Erik D. Demaine, Sándor P. Fekete, Vitus J. Leung, Henk Meijer, Cynthia A. Phillips
Communication-Aware Processor Allocation for Supercomputers CoRR (2004)
David P. Bunde, Vitus J. Leung, Jens Mache
Communication Patterns and Allocation Strategies. IPDPS (2004)
Sandy Irani, Vitus J. Leung
Scheduling with Conflicts on Bipartite and Interval Graphs. J. Sched. 6 (3) (2003)
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
Processor Allocation on Cplant: Achieving General Processor Locality Using One-Dimensional Allocation Strategies. CLUSTER (2002)
Vitus J. Leung, Sandy Irani
Experimental Results on Statistical Approaches to Page Replacement Policies. ALENEX (2001)
Robert D. Carr, Lisa Fleischer, Vitus J. Leung, Cynthia A. Phillips
Strengthening integrality gaps for capacitated network design and covering problems. SODA (2000)
Sandy Irani, Vitus J. Leung
Probabilistic Analysis for Scheduling with Conflicts. SODA (1997)
Vitus J. Leung
The Undecidability of the Unrestricted Modified Edit Distance. Theor. Comput. Sci. 180 (1-2) (1997)
Sandy Irani, Vitus J. Leung
Scheduling with Conflicts, and Applications to Traffic Signal Control. SODA (1996)
Vitus J. Leung, Michael B. Dillencourt, Andrew L. Bliss
Graph Tool - A Tool for Interactive Design and Manipulation of Graphs and Graph Algorithms. Computational Support for Discrete Mathematics (1992)