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ORCIDVitus J. Leung
Person information
- affiliation: Sandia National Laboratories, Albuquerque, Discrete Algorithms & Mathematics Department
- affiliation: University of California, Irvine, Department of Information and Computer Science
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Journal Articles
- 2024
[j11]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): 693-706 (2024)- 2019
- [j10]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): 883-896 (2019) - 2017
- [j9]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): 3007-3020 (2017) - 2016
- [j8]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: 67-78 (2016) - 2015
- [j7]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: 48-57 (2015) - 2013
- [j6]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): 513-523 (2013) - 2010
- [j5]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): 29:1-29:28 (2010) - 2008
- [j4]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): 279-298 (2008) - [j3]Sandy Irani, Vitus J. Leung:
Probabilistic analysis for scheduling with conflicts. Theor. Comput. Sci. 396(1-3): 158-179 (2008) - 2003
- [j2]Sandy Irani, Vitus J. Leung:
Scheduling with Conflicts on Bipartite and Interval Graphs. J. Sched. 6(3): 287-307 (2003) - 1997
- [j1]Vitus J. Leung:
The Undecidability of the Unrestricted Modified Edit Distance. Theor. Comput. Sci. 180(1-2): 203-215 (1997)
Conference and Workshop Papers
- 2023
- [c33]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: 26:1-26:14 - 2022
- [c32]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: 369-380 - 2021
- [c31]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: 70-85 - [c30]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: 1-7 - [c29]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: 195-214 - 2019
- [c28]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: 40:1-40:10 - 2018
- [c27]Hamilton Link, Samuel N. Richter, Vitus J. Leung, Randy C. Brost, Cynthia A. Phillips, Andrea Staid:
Statistical Models of Dengue Fever. AusDM 2018: 175-186 - [c26]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: 92-105 - [c25]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: 1123-1132 - 2017
- [c24]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: 325-334 - [c23]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: 355-373 - 2015
- [c22]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: 361-370 - [c21]Ozan Tuncer, Vitus J. Leung, Ayse K. Coskun:
PaCMap: Topology Mapping of Unstructured Communication Patterns onto Non-contiguous Allocations. ICS 2015: 37-46 - 2014
- [c20]David P. Bunde, Vitus J. Leung:
PReMAS: Simulator for Resource Management. ICPP Workshops 2014: 18-26 - [c19]David P. Bunde, Vitus J. Leung:
PReMAS: Simulator for Resource Management. ICPP Workshops 2014: 226-234 - [c18]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: 27-36 - [c17]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: 377-378 - [c16]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:
Abstract machine models and proxy architectures for exascale computing. Co-HPC@SC 2014: 25-32 - 2013
- [c15]Avinab Rajbhandary, David P. Bunde, Vitus J. Leung:
Variations of Conservative Backfilling to Improve Fairness. JSSPP 2013: 177-191 - [c14]Michael A. Bender, David P. Bunde, Vitus J. Leung, Samuel McCauley, Cynthia A. Phillips:
Efficient scheduling to minimize calibrations. SPAA 2013: 280-287 - 2012
- [c13]Claire C. Ralph, Vitus J. Leung, Will McLendon III:
Brief announcement: subgraph isomorphism on a multithreaded shared memory architecture. SPAA 2012: 71-73 - 2011
- [c12]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: 142-153 - 2010
- [c11]Christopher R. Johnson, David P. Bunde, Vitus J. Leung:
A Tie-Breaking Strategy for Processor Allocation in Meshes. ICPP Workshops 2010: 331-338 - [c10]Vitus J. Leung, Gerald Sabin, P. Sadayappan:
Parallel Job Scheduling Policies to Improve Fairness: A Case Study. ICPP Workshops 2010: 346-353 - 2009
- [c9]Ojaswirajanya Thebe, David P. Bunde, Vitus J. Leung:
Scheduling Restartable Jobs with Short Test Runs. JSSPP 2009: 116-137 - 2005
- [c8]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: 169-181 - 2004
- [c7]David P. Bunde, Vitus J. Leung, Jens Mache:
Communication Patterns and Allocation Strategies. IPDPS 2004 - 2002
- [c6]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: 296-304 - 2001
- [c5]Vitus J. Leung, Sandy Irani:
Experimental Results on Statistical Approaches to Page Replacement Policies. ALENEX 2001: 61-77 - 2000
- [c4]Robert D. Carr, Lisa Fleischer, Vitus J. Leung, Cynthia A. Phillips:
Strengthening integrality gaps for capacitated network design and covering problems. SODA 2000: 106-115 - 1997
- [c3]Sandy Irani, Vitus J. Leung:
Probabilistic Analysis for Scheduling with Conflicts. SODA 1997: 286-295 - 1996
- [c2]Sandy Irani, Vitus J. Leung:
Scheduling with Conflicts, and Applications to Traffic Signal Control. SODA 1996: 85-94 - 1992
- [c1]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: 269-278
Informal and Other Publications
- 2020
- [i2]Emre Ates, Burak Aksar, Vitus J. Leung, Ayse K. Coskun:
Counterfactual Explanations for Machine Learning on Multivariate Time Series Data. CoRR abs/2008.10781 (2020) - 2004
- [i1]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 cs.DS/0407058 (2004)
Coauthor Index
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