Vitus J. Leung

49 papers A* 3A 6B 6C 9Misc 1Journal 14Unranked 10

Year	Rank	Type	Title / Venue / Authors
2025	C	`conf`	Job Grouping Based Intelligent Resource Prediction Framework. JSSPP Beste Oztop, Benjamin Schwaller, Vitus J. Leung, Jim M. Brandt, Brian Kulis, Manuel Egele, Ayse K. Coskun
2025	C	`conf`	Refine: A Robust Approach to Unsupervised Anomaly Detection for Production HPC Systems. ISC Efe Sencan, Yin-Ching Lee, Connor Casey, Benjamin Schwaller, Vitus J. Leung, Jim M. Brandt, Brian Kulis, Manuel Egele, Ayse K. Coskun
2025	J	`jnl`	UniCoMTE: A Universal Counterfactual Framework for Explaining Time-Series Classifiers on ECG Data. CoRR Justin Li, Efe Sencan, Jasper Zheng Duan, Vitus J. Leung, Stephen Tsaur, Ayse K. Coskun
2024	J	`jnl`	Runtime Performance Anomaly Diagnosis in Production HPC Systems Using Active Learning. IEEE Trans. Parallel Distributed Syst. Burak Aksar, Efe Sencan, Benjamin Schwaller, Omar Aaziz, Vitus J. Leung, Jim M. Brandt, Brian Kulis, Manuel Egele, Ayse K. Coskun
2023	A	`conf`	Prodigy: Towards Unsupervised Anomaly Detection in Production HPC Systems. SC Burak Aksar, Efe Sencan, Benjamin Schwaller, Omar Aaziz, Vitus J. Leung, Jim M. Brandt, Brian Kulis, Manuel Egele, Ayse K. Coskun
2022	C	`conf`	ALBADross: Active Learning Based Anomaly Diagnosis for Production HPC Systems. CLUSTER Burak Aksar, Efe Sencan, Benjamin Schwaller, Omar Aaziz, Vitus J. Leung, Jim M. Brandt, Brian Kulis, Ayse K. Coskun
2021	—	`conf`	E2EWatch: An End-to-End Anomaly Diagnosis Framework for Production HPC Systems. Euro-Par Burak Aksar, Benjamin Schwaller, Omar Aaziz, Vitus J. Leung, Jim M. Brandt, Manuel Egele, Ayse K. Coskun
2021	C	`conf`	Proctor: A Semi-Supervised Performance Anomaly Diagnosis Framework for Production HPC Systems. ISC Burak Aksar, Yijia Zhang, Emre Ates, Benjamin Schwaller, Omar Aaziz, Vitus J. Leung, Jim M. Brandt, Manuel Egele, Ayse K. Coskun
2021	—	`conf`	Using Monitoring Data to Improve HPC Performance via Network-Data-Driven Allocation. HPEC Yijia Zhang, Burak Aksar, Omar Aaziz, Benjamin Schwaller, Jim M. Brandt, Vitus J. Leung, Manuel Egele, Ayse K. Coskun
2020	J	`jnl`	Counterfactual Explanations for Machine Learning on Multivariate Time Series Data. CoRR Emre Ates, Burak Aksar, Vitus J. Leung, Ayse K. Coskun
2019	B	`conf`	HPAS: An HPC Performance Anomaly Suite for Reproducing Performance Variations. ICPP Emre Ates, Yijia Zhang, Burak Aksar, Jim M. Brandt, Vitus J. Leung, Manuel Egele, Ayse K. Coskun
2019	J	`jnl`	Online Diagnosis of Performance Variation in HPC Systems Using Machine Learning. IEEE Trans. Parallel Distributed Syst. Ozan Tuncer, Emre Ates, Yijia Zhang, Ata Turk, Jim M. Brandt, Vitus J. Leung, Manuel Egele, Ayse K. Coskun
2018	A	`conf`	Level-Spread: A New Job Allocation Policy for Dragonfly Networks. IPDPS Yijia Zhang, Ozan Tuncer, Fulya Kaplan, Katzalin Olcoz, Vitus J. Leung, Ayse K. Coskun
2018	Misc	`conf`	Statistical Models of Dengue Fever. AusDM Hamilton Link, Samuel N. Richter, Vitus J. Leung, Randy C. Brost, Cynthia A. Phillips, Andrea Staid
2018	—	`conf`	Taxonomist: Application Detection Through Rich Monitoring Data. Euro-Par Emre Ates, Ozan Tuncer, Ata Turk, Vitus J. Leung, Jim M. Brandt, Manuel Egele, Ayse K. Coskun
2017	C	`conf`	Diagnosing Performance Variations in HPC Applications Using Machine Learning. ISC Ozan Tuncer, Emre Ates, Yijia Zhang, Ata Turk, Jim M. Brandt, Vitus J. Leung, Manuel Egele, Ayse K. Coskun
2017	J	`jnl`	Trends in Data Locality Abstractions for HPC Systems. IEEE Trans. Parallel Distributed Syst. 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
2017	B	`conf`	Unveiling the Interplay Between Global Link Arrangements and Network Management Algorithms on Dragonfly Networks. CCGrid Fulya Kaplan, Ozan Tuncer, Vitus J. Leung, K. Scott Hemmert, Ayse K. Coskun
2016	J	`jnl`	Local search to improve coordinate-based task mapping. Parallel Comput. Evan Balzuweit, David P. Bunde, Vitus J. Leung, Austin Finley, Alan C. S. Lee
2015	C	`conf`	Comparing Global Link Arrangements for Dragonfly Networks. CLUSTER Emily M. Hastings, David Rincon-Cruz, Marc Spehlmann, Sofia Meyers, Anda Xu, David P. Bunde, Vitus J. Leung
2015	A	`conf`	PaCMap: Topology Mapping of Unstructured Communication Patterns onto Non-contiguous Allocations. ICS Ozan Tuncer, Vitus J. Leung, Ayse K. Coskun
2015	J	`jnl`	Simulation and optimization of HPC job allocation for jointly reducing communication and cooling costs. Sustain. Comput. Informatics Syst. Jie Meng, Samuel McCauley, Fulya Kaplan, Vitus J. Leung, Ayse K. Coskun
2014	—	`conf`	Abstract machine models and proxy architectures for exascale computing. Co-HPC@SC 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
2014	A	`conf`	Exploiting Geometric Partitioning in Task Mapping for Parallel Computers. IPDPS Mehmet Deveci, Sivasankaran Rajamanickam, Vitus J. Leung, Kevin T. Pedretti, Stephen L. Olivier, David P. Bunde, Ümit V. Çatalyürek, Karen D. Devine
2014	—	`conf`	PReMAS: Simulator for Resource Management. ICPP Workshops David P. Bunde, Vitus J. Leung
2014	—	`conf`	PReMAS: Simulator for Resource Management. ICPP Workshops David P. Bunde, Vitus J. Leung
2014	B	`conf`	Task mapping stencil computations for non-contiguous allocations. PPoPP Vitus J. Leung, David P. Bunde, Jonathan Ebbers, Stefan P. Feer, Nickolas W. Price, Zachary D. Rhodes, Matthew Swank
2013	J	`jnl`	Backfilling with guarantees made as jobs arrive. Concurr. Comput. Pract. Exp. Alexander M. Lindsay, Maxwell Galloway-Carson, Christopher R. Johnson, David P. Bunde, Vitus J. Leung
2013	B	`conf`	Efficient scheduling to minimize calibrations. SPAA Michael A. Bender, David P. Bunde, Vitus J. Leung, Samuel McCauley, Cynthia A. Phillips
2013	C	`conf`	Variations of Conservative Backfilling to Improve Fairness. JSSPP Avinab Rajbhandary, David P. Bunde, Vitus J. Leung
2012	B	`conf`	Brief announcement: subgraph isomorphism on a multithreaded shared memory architecture. SPAA Claire C. Ralph, Vitus J. Leung, Will McLendon III
2011	—	`conf`	Backfilling with Guarantees Granted upon Job Submission. Euro-Par (1) Alexander M. Lindsay, Maxwell Galloway-Carson, Christopher R. Johnson, David P. Bunde, Vitus J. Leung
2010	—	`conf`	A Tie-Breaking Strategy for Processor Allocation in Meshes. ICPP Workshops Christopher R. Johnson, David P. Bunde, Vitus J. Leung
2010	J	`jnl`	An Interoperable, Data-Structure-Neutral Component for Mesh Query and Manipulation. ACM Trans. Math. Softw. Carl Ollivier-Gooch, Lori Freitag Diachin, Mark S. Shephard, Timothy Tautges, Jason Kraftcheck, Vitus J. Leung, Xiaojuan Luo, Mark Miller
2010	—	`conf`	Parallel Job Scheduling Policies to Improve Fairness: A Case Study. ICPP Workshops Vitus J. Leung, Gerald Sabin, P. Sadayappan
2009	C	`conf`	Scheduling Restartable Jobs with Short Test Runs. JSSPP Ojaswirajanya Thebe, David P. Bunde, Vitus J. Leung
2008	J	`jnl`	Communication-Aware Processor Allocation for Supercomputers: Finding Point Sets of Small Average Distance. Algorithmica Michael A. Bender, David P. Bunde, Erik D. Demaine, Sándor P. Fekete, Vitus J. Leung, Henk Meijer, Cynthia A. Phillips
2008	J	`jnl`	Probabilistic analysis for scheduling with conflicts. Theor. Comput. Sci. Sandy Irani, Vitus J. Leung
2005	B	`conf`	Communication-Aware Processor Allocation for Supercomputers. WADS Michael A. Bender, David P. Bunde, Erik D. Demaine, Sándor P. Fekete, Vitus J. Leung, Henk Meijer, Cynthia A. Phillips
2004	A	`conf`	Communication Patterns and Allocation Strategies. IPDPS David P. Bunde, Vitus J. Leung, Jens Mache
2004	J	`jnl`	Communication-Aware Processor Allocation for Supercomputers CoRR Michael A. Bender, David P. Bunde, Erik D. Demaine, Sándor P. Fekete, Vitus J. Leung, Henk Meijer, Cynthia A. Phillips
2003	J	`jnl`	Scheduling with Conflicts on Bipartite and Interval Graphs. J. Sched. Sandy Irani, Vitus J. Leung
2002	C	`conf`	Processor Allocation on Cplant: Achieving General Processor Locality Using One-Dimensional Allocation Strategies. CLUSTER 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
2001	A	`conf`	Experimental Results on Statistical Approaches to Page Replacement Policies. ALENEX Vitus J. Leung, Sandy Irani
2000	A*	`conf`	Strengthening integrality gaps for capacitated network design and covering problems. SODA Robert D. Carr, Lisa Fleischer, Vitus J. Leung, Cynthia A. Phillips
1997	A*	`conf`	Probabilistic Analysis for Scheduling with Conflicts. SODA Sandy Irani, Vitus J. Leung
1997	J	`jnl`	The Undecidability of the Unrestricted Modified Edit Distance. Theor. Comput. Sci. Vitus J. Leung
1996	A*	`conf`	Scheduling with Conflicts, and Applications to Traffic Signal Control. SODA Sandy Irani, Vitus J. Leung
1992	—	`conf`	Graph Tool - A Tool for Interactive Design and Manipulation of Graphs and Graph Algorithms. Computational Support for Discrete Mathematics Vitus J. Leung, Michael B. Dillencourt, Andrew L. Bliss