Edgar A. León

According to our database, Edgar A. León authored at least 28 papers between 2002 and 2021.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2021

On-the-Fly, Robust Translation of MPI Libraries.

Edgar A. León, Marc Joos, Nathan Hanford, Adrien Cotte, Tony Delforge, François Diakhaté, Vincent Ducrot, Ian Karlin, Marc Pérache

Proceedings of the IEEE International Conference on Cluster Computing, 2021

2020

Sierra Center of Excellence: Lessons learned.

Johann Dahm, David F. Richards, Aaron Black, Adam Bertsch, Leopold Grinberg, Ian Karlin, Sara Kokkila Schumacher, Edgar A. León, Rob Neely, Ramesh Pankajakshan, Olga Pearce

IBM J. Res. Dev., 2020

TOSS-2020: a commodity software stack for HPC.

Edgar A. León, Trent D'Hooge, Nathan Hanford, Ian Karlin, Ramesh Pankajakshan, Jim Foraker, Chris Chambreau, Matthew L. Leininger

Proceedings of the International Conference for High Performance Computing, 2020

Challenges of GPU-aware Communication in MPI.

Nathan Hanford, Ramesh Pankajakshan, Edgar A. León, Ian Karlin

Proceedings of the Workshop on Exascale MPI, 2020

Application-Driven Requirements for Node Resource Management in Next-Generation Systems.

Edgar A. León, Balazs Gerofi, Julien Jaeger, Guillaume Mercier, Rolf Riesen, Masamichi Takagi, Brice Goglin

Proceedings of the 2020 IEEE/ACM International Workshop on Runtime and Operating Systems for Supercomputers, 2020

2019

Testing the Limits of Tapered Fat Tree Networks.

Philip Taffet, Sanil Rao, Edgar A. León, Ian Karlin

Proceedings of the 2019 IEEE/ACM Performance Modeling, 2019

M&MMs: navigating complex memory spaces with hwloc.

Edgar A. León, Brice Goglin, Andrès Rubio Proaño

Proceedings of the International Symposium on Memory Systems, 2019

2018

Achieving transparency mapping parallel applications: a memory hierarchy affair.

Edgar A. León, Matthieu Hautreux

Proceedings of the International Symposium on Memory Systems, 2018

2017

Predicting the performance impact of different fat-tree configurations.

Nikhil Jain, Abhinav Bhatele, Louis H. Howell, David Böhme, Ian Karlin, Edgar A. León, Misbah Mubarak, Noah Wolfe, Todd Gamblin, Matthew L. Leininger

Proceedings of the International Conference for High Performance Computing, 2017

mpibind: a memory-centric affinity algorithm for hybrid applications.

Edgar A. León

Proceedings of the International Symposium on Memory Systems, 2017

COS: A Parallel Performance Model for Dynamic Variations in Processor Speed, Memory Speed, and Thread Concurrency.

Bo Li, Edgar A. León, Kirk W. Cameron

Proceedings of the 26th International Symposium on High-Performance Parallel and Distributed Computing, 2017

2016

Program optimizations: The interplay between power, performance, and energy.

Edgar A. León, Ian Karlin, Ryan E. Grant, Matthew G. F. Dosanjh

Parallel Comput., 2016

Characterizing parallel scientific applications on commodity clusters: an empirical study of a tapered fat-tree.

Edgar A. León, Ian Karlin, Abhinav Bhatele, Steven H. Langer, Chris Chambreau, Louis H. Howell, Trent D'Hooge, Matthew L. Leininger

Proceedings of the International Conference for High Performance Computing, 2016

System Noise Revisited: Enabling Application Scalability and Reproducibility with SMT.

Edgar A. León, Ian Karlin, Adam Moody

Proceedings of the 2016 IEEE International Parallel and Distributed Processing Symposium, 2016

2015

HpMC: An Energy-aware Management System of Multi-level Memory Architectures.

Chun-Yi Su, David Roberts, Edgar A. León, Kirk W. Cameron, Bronis R. de Supinski, Gabriel H. Loh, Dimitrios S. Nikolopoulos

Proceedings of the 2015 International Symposium on Memory Systems, 2015

A Container-Based Approach to OS Specialization for Exascale Computing.

Judicael A. Zounmevo, Swann Perarnau, Kamil Iskra, Kazutomo Yoshii, Roberto Gioiosa, Brian Van Essen, Maya B. Gokhale, Edgar A. León

Proceedings of the 2015 IEEE International Conference on Cloud Engineering, 2015

Optimizing Explicit Hydrodynamics for Power, Energy, and Performance.

Edgar A. León, Ian Karlin, Ryan E. Grant

Proceedings of the 2015 IEEE International Conference on Cluster Computing, 2015

2014

Characterizing the Impact of Program Optimizations on Power and Energy for Explicit Hydrodynamics.

Edgar A. León, Ian Karlin

Proceedings of the 2014 IEEE International Parallel & Distributed Processing Symposium Workshops, 2014

Memory Throttling on BG/Q: A Case Study with Explicit Hydrodynamics.

Bo Li, Edgar A. León

Proceedings of the 6th Workshop on Power-Aware Computing and Systems, 2014

2013

A study of application-level recovery methods for transient network faults.

Ignacio Laguna, Edgar A. León, Martin Schulz, Mark Stephenson

Proceedings of the Workshop on Latest Advances in Scalable Algorithms for Large-Scale Systems, 2013

2012

Poster: Memory and Parallelism Exploration Using the LULESH Proxy Application.

Ian Karlin, Jim McGraw, Esthela Gallardo, Jeff Keasler, Edgar A. León, Bert Still

Proceedings of the 2012 SC Companion: High Performance Computing, 2012

Abstract: Memory and Parallelism Exploration Using the LULESH Proxy Application.

Ian Karlin, Jim McGraw, Esthela Gallardo, Jeff Keasler, Edgar A. León, Bert Still

Proceedings of the 2012 SC Companion: High Performance Computing, 2012

Model-based, memory-centric performance and power optimization on NUMA multiprocessors.

Chun-Yi Su, Dong Li, Dimitrios S. Nikolopoulos, Kirk W. Cameron, Bronis R. de Supinski, Edgar A. León

Proceedings of the 2012 IEEE International Symposium on Workload Characterization, 2012

2011

Cache injection for parallel applications.

Edgar A. León, Rolf Riesen, Kurt B. Ferreira, Arthur B. Maccabe

Proceedings of the 20th ACM International Symposium on High Performance Distributed Computing, 2011

2009

Instruction-level simulation of a cluster at scale.

Edgar A. León, Rolf Riesen, Arthur B. Maccabe, Patrick G. Bridges

Proceedings of the ACM/IEEE Conference on High Performance Computing, 2009

2007

Reducing the Impact of the MemoryWall for I/O Using Cache Injection.

Edgar A. León, Kurt B. Ferreira, Arthur B. Maccabe

Proceedings of the 15th Annual IEEE Symposium on High-Performance Interconnects, 2007

2003

An MPI Tool to Measure Application Sensitivity to Variation in Communication Parameters.

Edgar A. León, Arthur B. Maccabe, Ron Brightwell

Proceedings of the Recent Advances in Parallel Virtual Machine and Message Passing Interface,10th European PVM/MPI Users' Group Meeting, Venice, Italy, September 29, 2003

2002

Instrumenting LogP Parameters in GM: Implementation and Validation.

Edgar A. León, Arthur B. Maccabe, Ron Brightwell

Proceedings of the 27th Annual IEEE Conference on Local Computer Networks (LCN 2002), 2002