Program Development Environment for OpenMP Programs on ccNUMA Architectures. - Barbara M. Chapman; Oscar R. Hernandez; Amit Patil; Achal Prabhakar (LSSC, 2001)

Improving the Performance of OpenMP by Array Privatization. - Zhenying Liu; Barbara M. Chapman; Tien-Hsiung Weng; Oscar R. Hernandez (WOMPAT, 2002)

Analyses for the Translation of OpenMP Codes into SPMD Style with Array Privatization. - Zhenying Liu; Barbara M. Chapman; Yi Wen; Lei Huang 006; Tien-Hsiung Weng; Oscar R. Hernandez (WOMPAT, 2003)

A Tool to Display Array Access Patterns in OpenMP Programs. - Oscar R. Hernandez; Chunhua Liao; Barbara M. Chapman (PARA, 2004)

Dragon: A Static and Dynamic Tool for OpenMP. - Oscar R. Hernandez; Chunhua Liao; Barbara M. Chapman (WOMPAT, 2004)

Performance Instrumentation and Compiler Optimizations for MPI/OpenMP Applications. - Oscar R. Hernandez; Fengguang Song; Barbara M. Chapman; Jack J. Dongarra; Bernd Mohr; Shirley Moore; Felix Wolf 001 (IWOMP, 2006)

Towards an Implementation of the OpenMP Collector API. - Van Bui; Oscar R. Hernandez; Barbara M. Chapman; Rick Kufrin; Danesh K. Tafti; Pradeep Gopalkrishnan (PARCO, 2007)

Compiler Support for Efficient Instrumentation. - Oscar R. Hernandez; Haoqiang Jin; Barbara M. Chapman (PARCO, 2007)

OpenUH: an optimizing, portable OpenMP compiler. - Chunhua Liao; Oscar R. Hernandez; Barbara M. Chapman; Wenguang Chen; Weimin Zheng (Concurr. Comput. Pract. Exp., 2007)

Capturing performance knowledge for automated analysis. - Kevin A. Huck; Oscar R. Hernandez; Van Bui; Sunita Chandrasekaran; Barbara M. Chapman; Allen D. Malony; Lois C. McInnes; Boyana Norris (SC, 2008)

A performance tuning methodology with compiler support. - Oscar R. Hernandez; Barbara M. Chapman; Haoqiang Jin (Sci. Program., 2008)

Open Source Software Support for the OpenMP Runtime API for Profiling. - Oscar R. Hernandez; Ramachandra C. Nanjegowda; Barbara M. Chapman; Van Bui; Richard Kufrin (ICPP Workshops, 2009)

Scalability Evaluation of Barrier Algorithms for OpenMP. - Ramachandra C. Nanjegowda; Oscar R. Hernandez; Barbara M. Chapman; Haoqiang Jin (IWOMP, 2009)

Experiences with High-Level Programming Directives for Porting Applications to GPUs. - Oscar R. Hernandez; Wei Ding 003; Barbara M. Chapman; Christos Kartsaklis; Ramanan Sankaran; Richard L. Graham (Facing the Multicore-Challenge, 2011)

OpenSHMEM - Toward a Unified RMA Model. - Stephen W. Poole; Oscar R. Hernandez; Jeffery A. Kuehn; Galen M. Shipman; Anthony Curtis; Karl Feind (Encyclopedia of Parallel Computing, 2011)

A Similarity-Based Analysis Tool for Porting OpenMP Applications. - Wei Ding 003; Oscar R. Hernandez; Barbara M. Chapman (Facing the Multicore-Challenge, 2012)

HERCULES: A Pattern Driven Code Transformation System. - Christos Kartsaklis; Oscar R. Hernandez; Chung-Hsing Hsu; Thomas Ilsche; Wayne Joubert; Richard L. Graham (IPDPS Workshops, 2012)

Toward Abstracting the Communication Intent in Applications to Improve Portability and Productivity. - Tiffany M. Mintz; Oscar R. Hernandez; Christos Kartsaklis; David E. Bernholdt; Markus Eisenbach 002; Swaroop Pophale (IPDPS Workshops, 2013)

Evaluating OpenMP Tasking at Scale for the Computation of Graph Hyperbolicity. - Aaron B. Adcock; Blair D. Sullivan; Oscar R. Hernandez; Michael W. Mahoney (IWOMP, 2013)

Porting Applications with OpenMP Using Similarity Analysis. - Wei Ding 003; Oscar R. Hernandez; Tony Curtis; Barbara M. Chapman (LCPC, 2013)

KLONOS: Similarity-based planning tool support for porting scientific applications. - Wei Ding 003; Chung-Hsing Hsu; Oscar R. Hernandez; Barbara M. Chapman; Richard L. Graham (Concurr. Comput. Pract. Exp., 2013)

Experiences Developing the OpenUH Compiler and Runtime Infrastructure. - Barbara M. Chapman; Deepak Eachempati; Oscar R. Hernandez (Int. J. Parallel Program., 2013)

HERCULES/PL: the pattern language of HERCULES. - Christos Kartsaklis; Oscar R. Hernandez (PLE@ECOOP, 2014)

Power Consumption Due to Data Movement in Distributed Programming Models. - Siddhartha Jana; Oscar R. Hernandez; Stephen Poole 001; Barbara M. Chapman (Euro-Par, 2014)

A Validation Testsuite for OpenACC 1.0. - Cheng Wang; Rengan Xu; Sunita Chandrasekaran; Barbara M. Chapman; Oscar R. Hernandez (IPDPS Workshops, 2014)

Hybrid Programming Using OpenSHMEM and OpenACC. - Matthew B. Baker; Swaroop Pophale; Jean-Charles Vasnier; Haoqiang Jin; Oscar R. Hernandez (OpenSHMEM, 2014)

Analyzing the Energy and Power Consumption of Remote Memory Accesses in the OpenSHMEM Model. - Siddhartha Jana; Oscar R. Hernandez; Stephen W. Poole; Chung-Hsing Hsu; Barbara M. Chapman (OpenSHMEM, 2014)

A Global View Programming Abstraction for Transitioning MPI Codes to PGAS Languages. - Tiffany M. Mintz; Oscar R. Hernandez; David E. Bernholdt (OpenSHMEM, 2014)

OpenSHMEM Extensions and a Vision for Its Future Direction. - Stephen W. Poole; Pavel Shamis; Aaron Welch; Swaroop Pophale; Manjunath Gorentla Venkata; Oscar R. Hernandez; Gregory A. Koenig; Tony Curtis; Chung-Hsing Hsu (OpenSHMEM, 2014)

Extending the OpenSHMEM Analyzer to Perform Synchronization and Multi-valued Analysis. - Swaroop Pophale; Oscar R. Hernandez; Stephen W. Poole; Barbara M. Chapman (OpenSHMEM, 2014)

Extending the OpenSHMEM Memory Model to Support User-Defined Spaces. - Aaron Welch; Swaroop Pophale; Pavel Shamis; Oscar R. Hernandez; Stephen W. Poole; Barbara M. Chapman (PGAS, 2014)

UCX: An Open Source Framework for HPC Network APIs and Beyond. - 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; et al. (Hot Interconnects, 2015)

CUDA Grid-Level Task Progression Algorithms. - Christos Kartsaklis; Wayne Joubert; Oscar R. Hernandez; Markus Eisenbach 002; Wael R. Elwasif; David E. Bernholdt (HPCC/CSS/ICESS, 2015)

Exploring OpenSHMEM Model to Program GPU-based Extreme-Scale Systems. - Sreeram Potluri; Davide Rossetti; Donald Becker; Duncan Poole; Manjunath Gorentla Venkata; Oscar R. Hernandez; Pavel Shamis; M. Graham Lopez; Matthew B. Baker; Wendy Poole (OpenSHMEM, 2015)

Evaluating OpenMP Affinity on the POWER8 Architecture. - Swaroop Pophale; Oscar R. Hernandez (IWOMP, 2016)

Towards Achieving Performance Portability Using Directives for Accelerators. - M. Graham Lopez; Verónica G. Vergara Larrea; Wayne Joubert; Oscar R. Hernandez; Azzam Haidar; Stanimire Tomov; Jack J. Dongarra (WACCPD@SC, 2016)

From Describing to Prescribing Parallelism: Translating the SPEC ACCEL OpenACC Suite to OpenMP Target Directives. - 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; et al. (ISC Workshops, 2016)

Using C++ AMP to Accelerate HPC Applications on Multiple Platforms. - M. Graham Lopez; Christopher Bergstrom; Ying Wai Li; Wael R. Elwasif; Oscar R. Hernandez (ISC Workshops, 2016)

Compiler technologies for understanding legacy scientific code: A case study on an ACME land module. - Dali Wang; Yu Pei; Oscar R. Hernandez; Wei Wu 016; Zhuo Yao; Youngsung Kim; Michael Wolfe; Ryan Kitchen (ICCS, 2017)

One-Way Wave Equation Migration at Scale on GPUs Using Directive Based Programming. - Kshitij Mehta; Maxime R. Hugues; Oscar R. Hernandez; David E. Bernholdt; Henri Calandra (IPDPS, 2017)

CAASCADE: A System for Static Analysis of HPC Software Application Portfolios. - M. Graham Lopez; Oscar R. Hernandez; Reuben D. Budiardja; Jack C. Wells (ESPT/VPA@SC, 2017)

OpenACC 2.5 Validation Testsuite Targeting Multiple Architectures. - Kyle Friedline; Sunita Chandrasekaran; M. Graham Lopez; Oscar R. Hernandez (ISC Workshops, 2017)

MiniApp for Density Matrix Renormalization Group Hamiltonian Application Kernel. - Wael R. Elwasif; Eduardo F. D'Azevedo; Arghya Chatterjee 001; Gonzalo Alvarez; Oscar R. Hernandez; Vivek Sarkar (CLUSTER, 2018)

Evaluating Support for OpenMP Offload Features. - Jose Monsalve Diaz; Swaroop Pophale; Kyle Friedline; Oscar R. Hernandez; David E. Bernholdt; Sunita Chandrasekaran (ICPP Workshops, 2018)

OpenMP 4.5 Validation and Verification Suite for Device Offload. - Jose Monsalve Diaz; Swaroop Pophale; Oscar R. Hernandez; David E. Bernholdt; Sunita Chandrasekaran (IWOMP, 2018)

MemBrain: Automated Application Guidance for Hybrid Memory Systems. - Matthew Ben Olson; Tong Zhou 007; Michael R. Jantz; Kshitij A. Doshi; M. Graham Lopez; Oscar R. Hernandez (NAS, 2018)

Abstractions and Directives for Adapting Wavefront Algorithms to Future Architectures. - Robert Searles; Sunita Chandrasekaran; Wayne Joubert; Oscar R. Hernandez (PASC, 2018)

Evaluating Performance Portability of Accelerator Programming Models using SPEC ACCEL 1.2 Benchmarks. - Swen Boehm; Swaroop Pophale; Verónica G. Vergara Larrea; Oscar R. Hernandez (ISC Workshops, 2018)

Porting DMRG++ Scientific Application to OpenPOWER. - Arghya Chatterjee 001; Gonzalo Alvarez; Eduardo F. D'Azevedo; Wael R. Elwasif; Oscar R. Hernandez; Vivek Sarkar (ISC Workshops, 2018)

Compile-Time Library Call Detection Using CAASCADE and XALT. - Jisheng Zhao; Oscar R. Hernandez; Reuben D. Budiardja; M. Graham Lopez; Vivek Sarkar; Jack C. Wells (ISC Workshops, 2018)

Optimization of Condensed Matter Physics Application with OpenMP Tasking Model. - Joel Criado; Marta Garcia-Gasulla; Jesús Labarta; Arghya Chatterjee 001; Oscar R. Hernandez; Raül Sirvent; Gonzalo Alvarez (IWOMP, 2019)

Scaling the Summit: Deploying the World's Fastest Supercomputer. - Verónica G. Vergara Larrea; Wayne Joubert; Michael J. Brim; Reuben D. Budiardja; Don Maxwell; Matthew Ezell; Christopher Zimmer 001; Swen Boehm; Wael R. Elwasif; Sarp Oral; Chris Fuson; Daniel Pelfrey; et al. (ISC Workshops, 2019)

Are we witnessing the spectre of an HPC meltdown? - Verónica G. Vergara Larrea; Michael J. Brim; Wayne Joubert; Swen Boehm; Matthew B. Baker; Oscar R. Hernandez; Sarp Oral; James Simmons; Don Maxwell (Concurr. Comput. Pract. Exp., 2019)

MPI + OpenACC: Accelerating radiation transport mini-application, minisweep, on heterogeneous systems. - Robert Searles; Sunita Chandrasekaran; Wayne Joubert; Oscar R. Hernandez (Comput. Phys. Commun., 2019)

Evaluation of directive-based performance portable programming models. - M. Graham Lopez; Wayne Joubert; Verónica G. Vergara Larrea; Oscar R. Hernandez; Azzam Haidar; Stanimire Tomov; Jack J. Dongarra (Int. J. High Perform. Comput. Netw., 2019)

Analysis of OpenMP 4.5 Offloading in Implementations: Correctness and Overhead. - Jose Monsalve Diaz; Kyle Friedline; Swaroop Pophale; Oscar R. Hernandez; David E. Bernholdt; Sunita Chandrasekaran (Parallel Comput., 2019)

GPU-Accelerated Drug Discovery with Docking on the Summit Supercomputer: Porting, Optimization, and Application to COVID-19 Research. - 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 001; Stefano Forli; et al. (BCB, 2020)

Co-designing OpenMP Features Using OMPT and Simulation Tools. - Matthew B. Baker; Oscar R. Hernandez; Jeffrey Young 001 (IWOMP, 2020)

Toward Supporting Multi-GPU Targets via Taskloop and User-Defined Schedules. - Vivek Kale; Wenbin Lu; Anthony Curtis; Abid Muslim Malik; Barbara M. Chapman; Oscar R. Hernandez (IWOMP, 2020)

A Study of Memory Anomalies in OpenMP Applications. - Lechen Yu; Joachim Protze; Oscar R. Hernandez; Vivek Sarkar (IWOMP, 2020)

Performance Portability of Molecular Docking Miniapp On Leadership Computing Platforms. - Mathialakan Thavappiragasam; Aaron Scheinberg; Wael R. Elwasif; Oscar R. Hernandez; Ada Sedova (P3HPC@SC, 2020)

Performance Analysis of a Quantum Monte Carlo Application on Multiple Hardware Architectures Using the HPX Runtime. - Weile Wei; Arghya Chatterjee 001; Kevin A. Huck; Oscar R. Hernandez; Hartmut Kaiser (ScalA@SC, 2020)

Experiences in porting mini-applications to OpenACC and OpenMP on heterogeneous systems. - Verónica G. Vergara Larrea; Reuben D. Budiardja; Rahulkumar Gayatri; Christopher S. Daley; Oscar R. Hernandez; Wayne Joubert (Concurr. Comput. Pract. Exp., 2020)

Supercomputer-Based Ensemble Docking Drug Discovery Pipeline with Application to Covid-19. - 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; et al. (J. Chem. Inf. Model., 2020)

Addressing Load Imbalance in Bioinformatics and Biomedical Applications: Efficient Scheduling across Multiple GPUs. - Mathialakan Thavappiragasam; Vivek Kale; Oscar R. Hernandez; Ada Sedova (BIBM, 2021)

OpenMP Target Task: Tasking and Target Offloading on Heterogeneous Systems. - Pedro Valero-Lara; Jungwon Kim; Oscar R. Hernandez; Jeffrey S. Vetter (Euro-Par Workshops, 2021)

Task-graph scheduling extensions for efficient synchronization and communication. - Seonmyeong Bak; Oscar R. Hernandez; Mark Gates; Piotr Luszczek; Vivek Sarkar (ICS, 2021)

Combining Static and Dynamic Analysis to Query Characteristics of HPC Applications. - Aaron Welch; Oscar R. Hernandez; Barbara M. Chapman (IPDPS Workshops, 2021)

ARBALEST: Dynamic Detection of Data Mapping Issues in Heterogeneous OpenMP Applications. - Lechen Yu; Joachim Protze; Oscar R. Hernandez; Vivek Sarkar (IPDPS, 2021)

Outcomes of OpenMP Hackathon: OpenMP Application Experiences with the Offloading Model (Part I). - Barbara M. Chapman; Buu Pham; Charlene Yang; Christopher S. Daley; Colleen Bertoni; Dhruva Kulkarni; Dossay Oryspayev; Ed D'Azevedo; Johannes Doerfert; Keren Zhou 001; Kiran Ravikumar; Mark Gordon; et al. (IWOMP, 2021)

Outcomes of OpenMP Hackathon: OpenMP Application Experiences with the Offloading Model (Part II). - Barbara M. Chapman; Buu Pham; Charlene Yang; Christopher S. Daley; Colleen Bertoni; Dhruva Kulkarni; Dossay Oryspayev; Ed D'Azevedo; Johannes Doerfert; Keren Zhou 001; Kiran Ravikumar; Mark Gordon; et al. (IWOMP, 2021)

A Case Study of LLVM-Based Analysis for Optimizing SIMD Code Generation. - Joseph Huber; Weile Wei; Giorgis Georgakoudis; Johannes Doerfert; Oscar R. Hernandez (IWOMP, 2021)

Memory reduction using a ring abstraction over GPU RDMA for distributed quantum Monte Carlo solver. - Weile Wei; Eduardo F. D'Azevedo; Kevin A. Huck; Arghya Chatterjee 001; Oscar R. Hernandez; Hartmut Kaiser (PASC, 2021)

NVIDIA's Cloud Native Supercomputing. - Gilad Shainer; Richard L. Graham; Chris J. Newburn; Oscar R. Hernandez; Gil Bloch; Tom Gibbs; Jack C. Wells (SMC, 2021)

Supercomputing Pipelines Search for Therapeutics Against COVID-19. - Josh Vincent Vermaas; Ada Sedova; Matthew B. Baker; Swen Boehm; David M. Rogers 001; Jeff Larkin; Jens Glaser; Micholas Dean Smith; Oscar R. Hernandez; Jeremy C. Smith (Comput. Sci. Eng., 2021)

High-throughput virtual laboratory for drug discovery using massive datasets. - Jens Glaser; Josh Vincent Vermaas; David M. Rogers 001; Jeff Larkin; Scott LeGrand; Swen Boehm; Matthew B. Baker; Aaron Scheinberg; Andreas F. Tillack; Mathialakan Thavappiragasam; Ada Sedova; Oscar R. Hernandez (Int. J. High Perform. Comput. Appl., 2021)

Early Application Experiences on a Modern GPU-Accelerated Arm-based HPC Platform. - Wael R. Elwasif; Sergei I. Bastrakov; Spencer H. Bryngelson; Michael Bussmann; Sunita Chandrasekaran; Florina M. Ciorba; Michael A. Clark; Alexander Debus; William F. Godoy; Nick Hagerty; Jeff R. Hammond; David J. Hardy; et al. (CoRR, 2022)

OpenMP application experiences: Porting to accelerated nodes. - Seonmyeong Bak; Colleen Bertoni; Swen Boehm; Reuben D. Budiardja; Barbara M. Chapman; Johannes Doerfert; Markus Eisenbach 002; Hal Finkel; Oscar R. Hernandez; Joseph Huber; Shintaro Iwasaki; Vivek Kale; et al. (Parallel Comput., 2022)

Extending OpenSHMEM with Aggregation Support for Improved Message Rate Performance. - Aaron Welch; Oscar R. Hernandez; Stephen W. Poole (Euro-Par, 2023)

Application Experiences on a GPU-Accelerated Arm-based HPC Testbed. - 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; et al. (HPC Asia Workshops, 2023)

Impacts of floating-point non-associativity on reproducibility for HPC and deep learning applications. - Sanjif Shanmugavelu; Mathieu Taillefumier; Christopher Culver; Oscar R. Hernandez; Mark Coletti; Ada Sedova (SC Workshops, 2024)

Enhancing Small Message Aggregation with Directive-Based Deferred Execution. - Aaron Welch; Oscar R. Hernandez; Stephen W. Poole; Wendy Poole (SC Workshops, 2024)

Robustness of Deep Learning Classification to Adversarial Input on GPUs: Asynchronous Parallel Accumulation Is a Source of Vulnerability. - Sanjif Shanmugavelu; Mathieu Taillefumier; Christopher Culver; Vijay Ganesh 001; Oscar R. Hernandez; Ada Sedova (Euro-Par (2), 2025)

Performance Impact and Trade-Offs for Tuning Key Architectural Parameters on CPU+GPU Systems. - Kazi Asifuzzaman; Narasinga Rao Miniskar; William F. Godoy; Oscar R. Hernandez; Jeffrey S. Vetter (GPGPU@PPoPP, 2025)

Preliminary Study on Fine-Grained Power and Energy Measurements on Grace Hopper GH200 with Open-Source Performance Tools. - Oscar R. Hernandez; Thomas Wang; Wael R. Elwasif; Filippo Spiga; Francesca Tartaglione; Markus Eisenbach 002; Ross Miller (HPC Asia Workshops, 2025)

Implementing Directive-Based Deferred Execution for Effective Network Aggregation. - Aaron Welch; Oscar R. Hernandez; Stephen W. Poole; Wendy Poole (IPDPS (Workshops), 2025)

Do Large Language Models Understand Performance Optimization? - Bowen Cui; Tejas Ramesh; Oscar R. Hernandez; Keren Zhou 001 (CoRR, 2025)

Characterizing GPU Energy Usage in Exascale-Ready Portable Science Applications. - William F. Godoy; Oscar R. Hernandez; Paul R. C. Kent; Maria Patrou; Kazi Asifuzzaman; Narasinga Rao Miniskar; Pedro Valero-Lara; Jeffrey S. Vetter; Matthew D. Sinclair; Jason Lowe-Power; Bobby R. Bruce (CoRR, 2025)

Power-Capping Metric Evaluation for Improving Energy Efficiency. - Maria Patrou; Thomas Wang; Wael R. Elwasif; Markus Eisenbach 002; Ross Miller; William F. Godoy; Oscar R. Hernandez (CoRR, 2025)