Oscar R. Hernandez

Publication Activity (10 Years)

Years Active: 2001-2023
Publications (10 Years): 52

Top Topics

Hardware Architecture

Dynamic Analysis

Top Venues

Publications

Aaron Welch, Oscar R. Hernandez, Stephen W. Poole
Extending OpenSHMEM with Aggregation Support for Improved Message Rate Performance. Euro-Par (2023)
Wael R. Elwasif, William F. Godoy, Nick Hagerty, James Austin Harris, Oscar R. Hernandez, Bálint Joó, Paul R. C. Kent, Damien Lebrun-Grandié, Elijah A. MacCarthy, Verónica G. Melesse Vergara, Bronson Messer, Ross Miller, Sarp Oral, Sergei I. Bastrakov, Michael Bussmann, Alexander Debus, Klaus Steiniger, Jan Stephan, René Widera, Spencer H. Bryngelson, Henry Le Berre, Anand Radhakrishnan, Jeffrey Young, Sunita Chandrasekaran, Florina M. Ciorba, Osman Simsek, Kate Clark, Filippo Spiga, Jeff R. Hammond, John E. Stone, David J. Hardy, Sebastian Keller, Jean-Guillaume Piccinali, Christian Trott
Application Experiences on a GPU-Accelerated Arm-based HPC Testbed. HPC Asia Workshops (2023)
Wael R. Elwasif, Sergei I. Bastrakov, Spencer H. Bryngelson, Michael Bussmann, Sunita Chandrasekaran, Florina Ciorba, Michael A. Clark, Alexander Debus, William F. Godoy, Nick Hagerty, Jeff R. Hammond, David J. Hardy, James Austin Harris, Oscar R. Hernandez, Bálint Joó, Sebastian Keller, Paul R. C. Kent, Henry Le Berre, Damien Lebrun-Grandié, Elijah A. MacCarthy, Verónica G. Melesse Vergara, Bronson Messer, Ross Miller, Sarp Oral, Jean-Guillaume Piccinali, Anand Radhakrishnan, Osman Simsek, Filippo Spiga, Klaus Steiniger, Jan Stephan, John E. Stone, Christian Trott, René Widera, Jeffrey Young
Early Application Experiences on a Modern GPU-Accelerated Arm-based HPC Platform. CoRR (2022)
Seonmyeong Bak, Colleen Bertoni, Swen Boehm, Reuben D. Budiardja, Barbara M. Chapman, Johannes Doerfert, Markus Eisenbach, Hal Finkel, Oscar R. Hernandez, Joseph Huber, Shintaro Iwasaki, Vivek Kale, Paul R. C. Kent, JaeHyuk Kwack, Meifeng Lin, Piotr Luszczek, Ye Luo, Buu Pham, Swaroop Pophale, Kiran Ravikumar, Vivek Sarkar, Thomas Scogland, Shilei Tian, P. K. Yeung
OpenMP application experiences: Porting to accelerated nodes. Parallel Comput. 109 (2022)
Weile Wei, Eduardo F. D'Azevedo, Kevin A. Huck, Arghya Chatterjee, Oscar R. Hernandez, Hartmut Kaiser
Memory reduction using a ring abstraction over GPU RDMA for distributed quantum Monte Carlo solver. PASC (2021)
Lechen Yu, Joachim Protze, Oscar R. Hernandez, Vivek Sarkar
ARBALEST: Dynamic Detection of Data Mapping Issues in Heterogeneous OpenMP Applications. IPDPS (2021)
Barbara M. Chapman, Buu Pham, Charlene Yang, Christopher Daley, Colleen Bertoni, Dhruva Kulkarni, Dossay Oryspayev, Ed D'Azevedo, Johannes Doerfert, Keren Zhou, Kiran Ravikumar, Mark Gordon, Mauro Del Ben, Meifeng Lin, Melisa Alkan, Michael Kruse, Oscar R. Hernandez, P. K. Yeung, Paul Lin, Peng Xu, Swaroop Pophale, Tosaporn Sattasathuchana, Vivek Kale, William Huhn, Yun (Helen) He
Outcomes of OpenMP Hackathon: OpenMP Application Experiences with the Offloading Model (Part I). IWOMP (2021)
Jens Glaser, Josh Vincent Vermaas, David M. Rogers, Jeff Larkin, Scott LeGrand, Swen Boehm, Matthew B. Baker, Aaron Scheinberg, Andreas F. Tillack, Mathialakan Thavappiragasam, Ada Sedova, Oscar R. Hernandez
High-throughput virtual laboratory for drug discovery using massive datasets. Int. J. High Perform. Comput. Appl. 35 (5) (2021)
Aaron Welch, Oscar R. Hernandez, Barbara M. Chapman
Combining Static and Dynamic Analysis to Query Characteristics of HPC Applications. IPDPS Workshops (2021)
Seonmyeong Bak, Oscar R. Hernandez, Mark Gates, Piotr Luszczek, Vivek Sarkar
Task-graph scheduling extensions for efficient synchronization and communication. ICS (2021)
Barbara M. Chapman, Buu Pham, Charlene Yang, Christopher Daley, Colleen Bertoni, Dhruva Kulkarni, Dossay Oryspayev, Ed D'Azevedo, Johannes Doerfert, Keren Zhou, Kiran Ravikumar, Mark Gordon, Mauro Del Ben, Meifeng Lin, Melisa Alkan, Michael Kruse, Oscar R. Hernandez, P. K. Yeung, Paul Lin, Peng Xu, Swaroop Pophale, Tosaporn Sattasathuchana, Vivek Kale, William Huhn, Yun (Helen) He
Outcomes of OpenMP Hackathon: OpenMP Application Experiences with the Offloading Model (Part II). IWOMP (2021)
Joseph Huber, Weile Wei, Giorgis Georgakoudis, Johannes Doerfert, Oscar R. Hernandez
A Case Study of LLVM-Based Analysis for Optimizing SIMD Code Generation. IWOMP (2021)
Mathialakan Thavappiragasam, Vivek Kale, Oscar R. Hernandez, Ada Sedova
Addressing Load Imbalance in Bioinformatics and Biomedical Applications: Efficient Scheduling across Multiple GPUs. BIBM (2021)
Joseph Huber, Weile Wei, Giorgis Georgakoudis, Johannes Doerfert, Oscar R. Hernandez
A Case Study of LLVM-Based Analysis for Optimizing SIMD Code Generation. CoRR (2021)
Weile Wei, Eduardo F. D'Azevedo, Kevin A. Huck, Arghya Chatterjee, Oscar R. Hernandez, Hartmut Kaiser
Memory Reduction using a Ring Abstraction over GPU RDMA for Distributed Quantum Monte Carlo Solver. CoRR (2021)
Gilad Shainer, Richard L. Graham, Chris J. Newburn, Oscar R. Hernandez, Gil Bloch, Tom Gibbs, Jack C. Wells
NVIDIA's Cloud Native Supercomputing. SMC (2021)
Josh Vincent Vermaas, Ada Sedova, Matthew B. Baker, Swen Boehm, David M. Rogers, Jeff Larkin, Jens Glaser, Micholas Dean Smith, Oscar R. Hernandez, Jeremy C. Smith
Supercomputing Pipelines Search for Therapeutics Against COVID-19. Comput. Sci. Eng. 23 (1) (2021)
Seonmyeong Bak, Oscar R. Hernandez, Mark Gates, Piotr Luszczek, Vivek Sarkar
Task-Graph Scheduling Extensions for Efficient Synchronization and Communication. CoRR (2020)
Weile Wei, Arghya Chatterjee, Kevin A. Huck, Oscar R. Hernandez, Hartmut Kaiser
Performance Analysis of a Quantum Monte Carlo Application on Multiple Hardware Architectures Using the HPX Runtime. CoRR (2020)
Scott LeGrand, Aaron Scheinberg, Andreas F. Tillack, Mathialakan Thavappiragasam, Josh Vincent Vermaas, Rupesh Agarwal, Jeff Larkin, Duncan Poole, Diogo Santos-Martins, Leonardo Solis-Vasquez, Andreas Koch, Stefano Forli, Oscar R. Hernandez, Jeremy C. Smith, Ada Sedova
GPU-Accelerated Drug Discovery with Docking on the Summit Supercomputer: Porting, Optimization, and Application to COVID-19 Research. BCB (2020)
Atanu Acharya, Rupesh Agarwal, Matthew B. Baker, Jérôme Baudry, Debsindhu Bhowmik, Swen Böhm, Kendall G. Byler, Sam Yen-Chi Chen, Leighton Coates, Connor J. Cooper, Omar Demerdash, Isabella Daidone, John D. Eblen, Sally R. Ellingson, Stefano Forli, Jens Glaser, James C. Gumbart, John Gunnels, Oscar R. Hernandez, Stephan Irle, D. W. Kneller, A. Kovalevsky, Jeffrey M. Larkin, Travis J. Lawrence, Scott LeGrand, Shih-Hsien Liu, Julie C. Mitchell, Gilchan Park, Jerry M. Parks, Anna Pavlova, Loukas Petridis, Duncan Poole, Line Pouchard, Arvind Ramanathan, David M. Rogers, Diogo Santos-Martins, Aaron Scheinberg, Ada Sedova, Y. Shen, Jeremy C. Smith, Micholas Dean Smith, Carlos Soto, Aristides Tsaris, Mathialakan Thavappiragasam, Andreas F. Tillack, Josh Vincent Vermaas, Van Quan Vuong, Junqi Yin, Shinjae Yoo, Mai Zahran, Laura Zanetti Polzi
Supercomputer-Based Ensemble Docking Drug Discovery Pipeline with Application to Covid-19. J. Chem. Inf. Model. 60 (12) (2020)
Vivek Kale, Wenbin Lu, Anthony Curtis, Abid Muslim Malik, Barbara M. Chapman, Oscar R. Hernandez
Toward Supporting Multi-GPU Targets via Taskloop and User-Defined Schedules. IWOMP (2020)
Verónica G. Vergara Larrea, Reuben D. Budiardja, Rahulkumar Gayatri, Christopher Daley, Oscar R. Hernandez, Wayne Joubert
Experiences in porting mini-applications to OpenACC and OpenMP on heterogeneous systems. Concurr. Comput. Pract. Exp. 32 (20) (2020)
Lechen Yu, Joachim Protze, Oscar R. Hernandez, Vivek Sarkar
A Study of Memory Anomalies in OpenMP Applications. IWOMP (2020)
Matthew B. Baker, Oscar R. Hernandez, Jeffrey Young
Co-designing OpenMP Features Using OMPT and Simulation Tools. IWOMP (2020)
Mathialakan Thavappiragasam, Aaron Scheinberg, Wael R. Elwasif, Oscar R. Hernandez, Ada Sedova
Performance Portability of Molecular Docking Miniapp On Leadership Computing Platforms. P3HPC@SC (2020)
Weile Wei, Arghya Chatterjee, Kevin A. Huck, Oscar R. Hernandez, Hartmut Kaiser
Performance Analysis of a Quantum Monte Carlo Application on Multiple Hardware Architectures Using the HPX Runtime. ScalA@SC (2020)
Verónica G. Vergara Larrea, Wayne Joubert, Michael J. Brim, Reuben D. Budiardja, Don Maxwell, Matthew Ezell, Christopher Zimmer, Swen Boehm, Wael R. Elwasif, Sarp Oral, Chris Fuson, Daniel Pelfrey, Oscar R. Hernandez, Dustin Leverman, Jesse Hanley, Mark A. Berrill, Arnold N. Tharrington
Scaling the Summit: Deploying the World's Fastest Supercomputer. ISC Workshops (2019)
Verónica G. Vergara Larrea, Michael J. Brim, Wayne Joubert, Swen Boehm, Matthew B. Baker, Oscar R. Hernandez, Sarp Oral, James Simmons, Don Maxwell
Are we witnessing the spectre of an HPC meltdown? Concurr. Comput. Pract. Exp. 31 (16) (2019)
Jose Monsalve Diaz, Kyle Friedline, Swaroop Pophale, Oscar R. Hernandez, David E. Bernholdt, Sunita Chandrasekaran
Analysis of OpenMP 4.5 Offloading in Implementations: Correctness and Overhead. Parallel Comput. 89 (2019)
Joel Criado, Marta Garcia-Gasulla, Jesús Labarta, Arghya Chatterjee, Oscar R. Hernandez, Raül Sirvent, Gonzalo Alvarez
Optimization of Condensed Matter Physics Application with OpenMP Tasking Model. IWOMP (2019)
Robert Searles, Sunita Chandrasekaran, Wayne Joubert, Oscar R. Hernandez
MPI + OpenACC: Accelerating radiation transport mini-application, minisweep, on heterogeneous systems. Comput. Phys. Commun. 236 (2019)
M. Graham Lopez, Wayne Joubert, Verónica G. Vergara Larrea, Oscar R. Hernandez, Azzam Haidar, Stanimire Tomov, Jack J. Dongarra
Evaluation of directive-based performance portable programming models. Int. J. High Perform. Comput. Netw. 14 (2) (2019)
Robert Searles, Sunita Chandrasekaran, Wayne Joubert, Oscar R. Hernandez
Abstractions and Directives for Adapting Wavefront Algorithms to Future Architectures. PASC (2018)
Swen Boehm, Swaroop Pophale, Verónica G. Vergara Larrea, Oscar R. Hernandez
Evaluating Performance Portability of Accelerator Programming Models using SPEC ACCEL 1.2 Benchmarks. ISC Workshops (2018)
Jose Monsalve Diaz, Swaroop Pophale, Kyle Friedline, Oscar R. Hernandez, David E. Bernholdt, Sunita Chandrasekaran
Evaluating Support for OpenMP Offload Features. ICPP Workshops (2018)
Jose Monsalve Diaz, Swaroop Pophale, Oscar R. Hernandez, David E. Bernholdt, Sunita Chandrasekaran
OpenMP 4.5 Validation and Verification Suite for Device Offload. IWOMP (2018)
Wael R. Elwasif, Eduardo F. D'Azevedo, Arghya Chatterjee, Gonzalo Alvarez, Oscar R. Hernandez, Vivek Sarkar
MiniApp for Density Matrix Renormalization Group Hamiltonian Application Kernel. CLUSTER (2018)
Arghya Chatterjee, Gonzalo Alvarez, Eduardo F. D'Azevedo, Wael R. Elwasif, Oscar R. Hernandez, Vivek Sarkar
Porting DMRG++ Scientific Application to OpenPOWER. ISC Workshops (2018)
Jisheng Zhao, Oscar R. Hernandez, Reuben D. Budiardja, M. Graham Lopez, Vivek Sarkar, Jack C. Wells
Compile-Time Library Call Detection Using CAASCADE and XALT. ISC Workshops (2018)
M. Ben Olson, Tong Zhou, Michael R. Jantz, Kshitij A. Doshi, M. Graham Lopez, Oscar R. Hernandez
MemBrain: Automated Application Guidance for Hybrid Memory Systems. NAS (2018)
Dali Wang, Yu Pei, Oscar R. Hernandez, Wei Wu, Zhuo Yao, Youngsung Kim, Michael Wolfe, Ryan Kitchen
Compiler technologies for understanding legacy scientific code: A case study on an ACME land module. ICCS (2017)
Kyle Friedline, Sunita Chandrasekaran, M. Graham Lopez, Oscar R. Hernandez
OpenACC 2.5 Validation Testsuite Targeting Multiple Architectures. ISC Workshops (2017)
Kshitij Mehta, Maxime R. Hugues, Oscar R. Hernandez, David E. Bernholdt, Henri Calandra
One-Way Wave Equation Migration at Scale on GPUs Using Directive Based Programming. IPDPS (2017)
M. Graham Lopez, Oscar R. Hernandez, Reuben D. Budiardja, Jack C. Wells
CAASCADE: A System for Static Analysis of HPC Software Application Portfolios. ESPT/VPA@SC (2017)
Guido Juckeland, Oscar R. Hernandez, Arpith C. Jacob, Daniel Neilson, Verónica G. Vergara Larrea, Sandra Wienke, Alexander Bobyr, William C. Brantley, Sunita Chandrasekaran, Mathew E. Colgrove, Alexander Grund, Robert Henschel, Wayne Joubert, Matthias S. Müller, Dave Raddatz, Pavel Shelepugin, Brian Whitney, Bo Wang, Kalyan Kumaran
From Describing to Prescribing Parallelism: Translating the SPEC ACCEL OpenACC Suite to OpenMP Target Directives. ISC Workshops (2016)
M. Graham Lopez, Verónica G. Vergara Larrea, Wayne Joubert, Oscar R. Hernandez, Azzam Haidar, Stanimire Tomov, Jack J. Dongarra
Towards Achieving Performance Portability Using Directives for Accelerators. WACCPD@SC (2016)
M. Graham Lopez, Christopher Bergstrom, Ying Wai Li, Wael R. Elwasif, Oscar R. Hernandez
Using C++ AMP to Accelerate HPC Applications on Multiple Platforms. ISC Workshops (2016)
Swaroop Pophale, Oscar R. Hernandez
Evaluating OpenMP Affinity on the POWER8 Architecture. IWOMP (2016)
Sreeram Potluri, Davide Rossetti, Donald Becker, Duncan Poole, Manjunath Gorentla Venkata, Oscar R. Hernandez, Pavel Shamis, M. Graham Lopez, Matthew B. Baker, Wendy Poole
Exploring OpenSHMEM Model to Program GPU-based Extreme-Scale Systems. OpenSHMEM (2015)
Pavel Shamis, Manjunath Gorentla Venkata, M. Graham Lopez, Matthew B. Baker, Oscar R. Hernandez, Yossi Itigin, Mike Dubman, Gilad Shainer, Richard L. Graham, Liran Liss, Yiftah Shahar, Sreeram Potluri, Davide Rossetti, Donald Becker, Duncan Poole, Christopher Lamb, Sameer Kumar, Craig B. Stunkel, George Bosilca, Aurélien Bouteiller
UCX: An Open Source Framework for HPC Network APIs and Beyond. Hot Interconnects (2015)
Christos Kartsaklis, Wayne Joubert, Oscar R. Hernandez, Markus Eisenbach, Wael R. Elwasif, David E. Bernholdt
CUDA Grid-Level Task Progression Algorithms. HPCC/CSS/ICESS (2015)
Stephen W. Poole, Pavel Shamis, Aaron Welch, Swaroop Pophale, Manjunath Gorentla Venkata, Oscar R. Hernandez, Gregory A. Koenig, Tony Curtis, Chung-Hsing Hsu
OpenSHMEM Extensions and a Vision for Its Future Direction. OpenSHMEM (2014)
Aaron Welch, Swaroop Pophale, Pavel Shamis, Oscar R. Hernandez, Stephen W. Poole, Barbara M. Chapman
Extending the OpenSHMEM Memory Model to Support User-Defined Spaces. PGAS (2014)
Christos Kartsaklis, Oscar R. Hernandez
HERCULES/PL: the pattern language of HERCULES. PLE@ECOOP (2014)
Siddhartha Jana, Oscar R. Hernandez, Stephen Poole, Barbara M. Chapman
Power Consumption Due to Data Movement in Distributed Programming Models. Euro-Par (2014)
Matthew B. Baker, Swaroop Pophale, Jean-Charles Vasnier, Haoqiang Jin, Oscar R. Hernandez
Hybrid Programming Using OpenSHMEM and OpenACC. OpenSHMEM (2014)
Cheng Wang, Rengan Xu, Sunita Chandrasekaran, Barbara M. Chapman, Oscar R. Hernandez
A Validation Testsuite for OpenACC 1.0. IPDPS Workshops (2014)
Tiffany M. Mintz, Oscar R. Hernandez, David E. Bernholdt
A Global View Programming Abstraction for Transitioning MPI Codes to PGAS Languages. OpenSHMEM (2014)
Siddhartha Jana, Oscar R. Hernandez, Stephen W. Poole, Chung-Hsing Hsu, Barbara M. Chapman
Analyzing the Energy and Power Consumption of Remote Memory Accesses in the OpenSHMEM Model. OpenSHMEM (2014)
Swaroop Pophale, Oscar R. Hernandez, Stephen W. Poole, Barbara M. Chapman
Extending the OpenSHMEM Analyzer to Perform Synchronization and Multi-valued Analysis. OpenSHMEM (2014)
Aaron B. Adcock, Blair D. Sullivan, Oscar R. Hernandez, Michael W. Mahoney
Evaluating OpenMP Tasking at Scale for the Computation of Graph Hyperbolicity. IWOMP (2013)
Wei Ding, Chung-Hsing Hsu, Oscar R. Hernandez, Barbara M. Chapman, Richard L. Graham
KLONOS: Similarity-based planning tool support for porting scientific applications. Concurr. Comput. Pract. Exp. 25 (8) (2013)
Tiffany M. Mintz, Oscar R. Hernandez, Christos Kartsaklis, David E. Bernholdt, Markus Eisenbach, Swaroop Pophale
Toward Abstracting the Communication Intent in Applications to Improve Portability and Productivity. IPDPS Workshops (2013)
Barbara M. Chapman, Deepak Eachempati, Oscar R. Hernandez
Experiences Developing the OpenUH Compiler and Runtime Infrastructure. Int. J. Parallel Program. 41 (6) (2013)
Wei Ding, Oscar R. Hernandez, Tony Curtis, Barbara M. Chapman
Porting Applications with OpenMP Using Similarity Analysis. LCPC (2013)
Christos Kartsaklis, Oscar R. Hernandez, Chung-Hsing Hsu, Thomas Ilsche, Wayne Joubert, Richard L. Graham
HERCULES: A Pattern Driven Code Transformation System. IPDPS Workshops (2012)
Wei Ding, Oscar R. Hernandez, Barbara M. Chapman
A Similarity-Based Analysis Tool for Porting OpenMP Applications. Facing the Multicore-Challenge (2012)
Oscar R. Hernandez, Wei Ding, Barbara M. Chapman, Christos Kartsaklis, Ramanan Sankaran, Richard L. Graham
Experiences with High-Level Programming Directives for Porting Applications to GPUs. Facing the Multicore-Challenge (2011)
Ramachandra C. Nanjegowda, Oscar R. Hernandez, Barbara M. Chapman, Haoqiang Jin
Scalability Evaluation of Barrier Algorithms for OpenMP. IWOMP (2009)
Oscar R. Hernandez, Ramachandra C. Nanjegowda, Barbara M. Chapman, Van Bui, Richard Kufrin
Open Source Software Support for the OpenMP Runtime API for Profiling. ICPP Workshops (2009)
Oscar R. Hernandez, Barbara M. Chapman, Haoqiang Jin
A performance tuning methodology with compiler support. Sci. Program. 16 (2-3) (2008)
Kevin A. Huck, Oscar R. Hernandez, Van Bui, Sunita Chandrasekaran, Barbara M. Chapman, Allen D. Malony, Lois C. McInnes, Boyana Norris
Capturing performance knowledge for automated analysis. SC (2008)
Chunhua Liao, Oscar R. Hernandez, Barbara M. Chapman, Wenguang Chen, Weimin Zheng
OpenUH: an optimizing, portable OpenMP compiler. Concurr. Comput. Pract. Exp. 19 (18) (2007)
Van Bui, Oscar R. Hernandez, Barbara M. Chapman, Rick Kufrin, Danesh K. Tafti, Pradeep Gopalkrishnan
Towards an Implementation of the OpenMP Collector API. PARCO (2007)
Oscar R. Hernandez, Haoqiang Jin, Barbara M. Chapman
Compiler Support for Efficient Instrumentation. PARCO (2007)
Oscar R. Hernandez, Fengguang Song, Barbara M. Chapman, Jack J. Dongarra, Bernd Mohr, Shirley Moore, Felix Wolf
Performance Instrumentation and Compiler Optimizations for MPI/OpenMP Applications. IWOMP (2006)
Oscar R. Hernandez, Chunhua Liao, Barbara M. Chapman
A Tool to Display Array Access Patterns in OpenMP Programs. PARA (2004)
Oscar R. Hernandez, Chunhua Liao, Barbara M. Chapman
Dragon: A Static and Dynamic Tool for OpenMP. WOMPAT (2004)
Zhenying Liu, Barbara M. Chapman, Yi Wen, Lei Huang, Tien-Hsiung Weng, Oscar R. Hernandez
Analyses for the Translation of OpenMP Codes into SPMD Style with Array Privatization. WOMPAT (2003)
Zhenying Liu, Barbara M. Chapman, Tien-Hsiung Weng, Oscar R. Hernandez
Improving the Performance of OpenMP by Array Privatization. WOMPAT (2002)
Barbara M. Chapman, Oscar R. Hernandez, Amit Patil, Achal Prabhakar
Program Development Environment for OpenMP Programs on ccNUMA Architectures. LSSC (2001)