René Widera

According to our database, René Widera authored at least 16 papers between 2012 and 2023.

Collaborative distances:

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

2023

EZ: An efficient, charge conserving current deposition algorithm for electromagnetic particle-in-cell simulations.

Klaus Steiniger, René Widera, Sergey I. Bastrakov, Michael Bussmann, Sunita Chandrasekaran, Benjamín Hernández, Kristina Holsapple, Axel Huebl, Guido Juckeland, Jeffrey Kelling, Matt Leinhauser, Richard Pausch, David Rogers, Ulrich Schramm, Jeffrey Young, Alexander Debus

Comput. Phys. Commun., October, 2023

LLAMA: The low-level abstraction for memory access.

Bernhard Manfred Gruber, Guilherme Amadio, Jakob Blomer, Alexander Matthes, René Widera, Michael Bussmann

Softw. Pract. Exp., 2023

Hardware-Agnostic Interactive Exascale In Situ Visualization of Particle-In-Cell Simulations.

Felix Meyer, Benjamín Hernández, Richard Pausch, René Widera, David Groß, Sergei I. Bastrakov, Axel Huebl, Guido Juckeland, Jeffrey Kelling, Matt Leinhauser, David Rogers, Ulrich Schramm, Klaus Steiniger, Stefan Gumhold, Jeff Young, Michael Bussmann, Sunita Chandrasekaran, Alexander Debus

Proceedings of the Platform for Advanced Scientific Computing Conference, 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, 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

Proceedings of the HPC Asia 2023 Workshops, 2023

2022

Metrics and Design of an Instruction Roofline Model for AMD GPUs.

Matthew Leinhauser, René Widera, Sergei I. Bastrakov, Alexander Debus, Michael Bussmann, Sunita Chandrasekaran

ACM Trans. Parallel Comput., 2022

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, 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

CoRR, 2022

Evaluating GPU Programming Models for the LUMI Supercomputer.

George S. Markomanolis, Aksel Alpay, Jeff Young, Michael Klemm, Nicholas Malaya, Aniello Esposito, Jussi Heikonen, Sergey I. Bastrakov, Alexander Debus, Thomas Kluge, Klaus Steiniger, Jan Stephan, René Widera, Michael Bussmann

Proceedings of the Supercomputing Frontiers - 7th Asian Conference, 2022

2021

Challenges Porting a C++ Template-Metaprogramming Abstraction Layer to Directive-Based Offloading.

Jeffrey Kelling, Sergey I. Bastrakov, Alexander Debus, Thomas Kluge, Matt Leinhauser, Richard Pausch, Klaus Steiniger, Jan Stephan, René Widera, Jeff Young, Michael Bussmann, Sunita Chandrasekaran, Guido Juckeland

Proceedings of the Accelerator Programming Using Directives - 8th International Workshop, 2021

Transitioning from File-Based HPC Workflows to Streaming Data Pipelines with openPMD and ADIOS2.

Franz Poeschel, Juncheng E, William F. Godoy, Norbert Podhorszki, Scott Klasky, Greg Eisenhauer, Philip E. Davis, Lipeng Wan, Ana Gainaru, Junmin Gu, Fabian Koller, René Widera, Michael Bussmann, Axel Huebl

Proceedings of the Driving Scientific and Engineering Discoveries Through the Integration of Experiment, Big Data, and Modeling and Simulation, 2021

2017

Tuning and Optimization for a Variety of Many-Core Architectures Without Changing a Single Line of Implementation Code Using the Alpaka Library.

Alexander Matthes, René Widera, Erik Zenker, Benjamin Worpitz, Axel Huebl, Michael Bussmann

Proceedings of the High Performance Computing, 2017

On the Scalability of Data Reduction Techniques in Current and Upcoming HPC Systems from an Application Perspective.

Axel Huebl, René Widera, Felix Schmitt, Alexander Matthes, Norbert Podhorszki, Jong Youl Choi, Scott Klasky, Michael Bussmann

Proceedings of the High Performance Computing, 2017

2016

In situ, steerable, hardware-independent and data-structure agnostic visualization with ISAAC.

Alexander Matthes, Axel Huebl, René Widera, Sebastian Grottel, Stefan Gumhold, Michael Bussmann

Supercomput. Front. Innov., 2016

Performance-Portable Many-Core Plasma Simulations: Porting PIConGPU to OpenPower and Beyond.

Erik Zenker, René Widera, Axel Huebl, Guido Juckeland, Andreas Knüpfer, Wolfgang E. Nagel, Michael Bussmann

Proceedings of the High Performance Computing, 2016

Alpaka - An Abstraction Library for Parallel Kernel Acceleration.

Erik Zenker, Benjamin Worpitz, René Widera, Axel Huebl, Guido Juckeland, Andreas Knüpfer, Wolfgang E. Nagel, Michael Bussmann

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

2013

Radiative signatures of the relativistic Kelvin-Helmholtz instability.

Michael Bussmann, Heiko Burau, Thomas E. Cowan, Alexander Debus, Axel Huebl, Guido Juckeland, Thomas Kluge, Wolfgang E. Nagel, Richard Pausch, Felix Schmitt, Ulrich Schramm, Joseph Schuchart, René Widera

Proceedings of the International Conference for High Performance Computing, 2013

2012

Phase-Based Profiling in GPGPU Kernels.

Robert Dietrich, Felix Schmitt, René Widera, Michael Bussmann

Proceedings of the 41st International Conference on Parallel Processing Workshops, 2012