Edgar A. León

35 papers A* 1A 8B 2C 2Journal 5Unranked 17
YearRankTypeTitle / Venue / Authors
2025 A conf
Breaking the System Noise Barrier at Exascale.
SC
Edgar A. León, Joseph Glenski, Mark J. Stock, Kim H. McMahon, William Loewe, Clark Snyder, Larry Kaplan, Srinath Vadlamani, Timothy I. Mattox, Trent D'Hooge, Brian Behlendorf, Nathan Hanford, Ramesh Pankajakshan, Matthew L. Leininger
2025 — conf
Dissecting CPU-GPU Unified Physical Memory on AMD MI300A APUs.
IISWC
Jacob Wahlgren, Gabin Schieffer, Ruimin Shi, Edgar A. León, Roger Pearce, Maya B. Gokhale, Ivy Peng
2025 J jnl
Dissecting CPU-GPU Unified Physical Memory on AMD MI300A APUs.
CoRR
Jacob Wahlgren, Gabin Schieffer, Ruimin Shi, Edgar A. León, Roger Pearce, Maya B. Gokhale, Ivy Peng
2025 — conf
Inter-APU Communication on AMD MI300A Systems via Infinity Fabric: A Deep Dive.
MEMSYS
Gabin Schieffer, Jacob Wahlgren, Ruimin Shi, Edgar A. León, Roger Pearce, Maya B. Gokhale, Ivy Peng
2025 J jnl
Inter-APU Communication on AMD MI300A Systems via Infinity Fabric: a Deep Dive.
CoRR
Gabin Schieffer, Jacob Wahlgren, Ruimin Shi, Edgar A. León, Roger Pearce, Maya B. Gokhale, Ivy Peng
2024 J jnl
Symmetry Transformations in Cosmological and Black Hole Analytical Solutions.
Symmetry
Edgar A. León, Andrés Sandoval-Rodríguez
2021 C conf
On-the-Fly, Robust Translation of MPI Libraries.
CLUSTER
Edgar A. León, Marc Joos, Nathan Hanford, Adrien Cotte, Tony Delforge, François Diakhaté, Vincent Ducrot, Ian Karlin, Marc Pérache
2020 — conf
Application-Driven Requirements for Node Resource Management in Next-Generation Systems.
ROSS@SC
Edgar A. León, Balazs Gerofi, Julien Jaeger, Guillaume Mercier, Rolf Riesen, Masamichi Takagi, Brice Goglin
2020 — conf
Challenges of GPU-aware Communication in MPI.
ExaMPI@SC
Nathan Hanford, Ramesh Pankajakshan, Edgar A. León, Ian Karlin
2020 J jnl
Sierra Center of Excellence: Lessons learned.
IBM J. Res. Dev.
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
2020 A conf
TOSS-2020: a commodity software stack for HPC.
SC
Edgar A. León, Trent D'Hooge, Nathan Hanford, Ian Karlin, Ramesh Pankajakshan, Jim Foraker, Chris Chambreau, Matthew L. Leininger
2019 — conf
M&MMs: navigating complex memory spaces with hwloc.
MEMSYS
Edgar A. León, Brice Goglin, Andrès Rubio Proaño
2019 — conf
Testing the Limits of Tapered Fat Tree Networks.
PMBS@SC
Philip Taffet, Sanil Rao, Edgar A. León, Ian Karlin
2018 — conf
Achieving transparency mapping parallel applications: a memory hierarchy affair.
MEMSYS
Edgar A. León, Matthieu Hautreux
2017 A conf
COS: A Parallel Performance Model for Dynamic Variations in Processor Speed, Memory Speed, and Thread Concurrency.
HPDC
Bo Li, Edgar A. León, Kirk W. Cameron
2017 A conf
Predicting the performance impact of different fat-tree configurations.
SC
Nikhil Jain, Abhinav Bhatele, Louis H. Howell, David Böhme, Ian Karlin, Edgar A. León, Misbah Mubarak, Noah Wolfe, Todd Gamblin, Matthew L. Leininger
2017 — conf
mpibind: a memory-centric affinity algorithm for hybrid applications.
MEMSYS
Edgar A. León
2016 A conf
Characterizing parallel scientific applications on commodity clusters: an empirical study of a tapered fat-tree.
SC
Edgar A. León, Ian Karlin, Abhinav Bhatele, Steven H. Langer, Chris Chambreau, Louis H. Howell, Trent D'Hooge, Matthew L. Leininger
2016 J jnl
Program optimizations: The interplay between power, performance, and energy.
Parallel Comput.
Edgar A. León, Ian Karlin, Ryan E. Grant, Matthew G. F. Dosanjh
2016 A conf
System Noise Revisited: Enabling Application Scalability and Reproducibility with SMT.
IPDPS
Edgar A. León, Ian Karlin, Adam Moody
2015 B conf
A Container-Based Approach to OS Specialization for Exascale Computing.
IC2E
Judicael A. Zounmevo, Swann Perarnau, Kamil Iskra, Kazutomo Yoshii, Roberto Gioiosa, Brian Van Essen, Maya B. Gokhale, Edgar A. León
2015 — conf
HpMC: An Energy-aware Management System of Multi-level Memory Architectures.
MEMSYS
Chun-Yi Su, David Roberts, Edgar A. León, Kirk W. Cameron, Bronis R. de Supinski, Gabriel H. Loh, Dimitrios S. Nikolopoulos
2015 C conf
Optimizing Explicit Hydrodynamics for Power, Energy, and Performance.
CLUSTER
Edgar A. León, Ian Karlin, Ryan E. Grant
2014 — conf
Characterizing the Impact of Program Optimizations on Power and Energy for Explicit Hydrodynamics.
IPDPS Workshops
Edgar A. León, Ian Karlin
2014 — conf
Memory Throttling on BG/Q: A Case Study with Explicit Hydrodynamics.
HotPower
Bo Li, Edgar A. León
2013 — conf
A study of application-level recovery methods for transient network faults.
ScalA@SC
Ignacio Laguna, Edgar A. León, Martin Schulz, Mark Stephenson
2012 — conf
Abstract: Memory and Parallelism Exploration Using the LULESH Proxy Application.
SC Companion
Ian Karlin, Jim McGraw, Esthela Gallardo, Jeff Keasler, Edgar A. León, Bert Still
2012 — conf
Model-based, memory-centric performance and power optimization on NUMA multiprocessors.
IISWC
Chun-Yi Su, Dong Li, Dimitrios S. Nikolopoulos, Kirk W. Cameron, Bronis R. de Supinski, Edgar A. León
2012 — conf
Poster: Memory and Parallelism Exploration Using the LULESH Proxy Application.
SC Companion
Ian Karlin, Jim McGraw, Esthela Gallardo, Jeff Keasler, Edgar A. León, Bert Still
2011 A conf
Cache injection for parallel applications.
HPDC
Edgar A. León, Rolf Riesen, Kurt B. Ferreira, Arthur B. Maccabe
2009 A conf
Instruction-level simulation of a cluster at scale.
SC
Edgar A. León, Rolf Riesen, Arthur B. Maccabe, Patrick G. Bridges
2007 — conf
Reducing the Impact of the MemoryWall for I/O Using Cache Injection.
Hot Interconnects
Edgar A. León, Kurt B. Ferreira, Arthur B. Maccabe
2005 A* conf
An infrastructure for the development of kernel network services proof of concept: fast UDP.
SOSP
Edgar A. León, Michal Ostrowski
2003 — conf
An MPI Tool to Measure Application Sensitivity to Variation in Communication Parameters.
PVM/MPI
Edgar A. León, Arthur B. Maccabe, Ron Brightwell
2002 B conf
Instrumenting LogP Parameters in GM: Implementation and Validation.
LCN
Edgar A. León, Arthur B. Maccabe, Ron Brightwell