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ORCIDRené Widera
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Journal Articles
- 2023
[j4]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 M. Rogers, Ulrich Schramm, Jeffrey Young, Alexander Debus:
EZ: An efficient, charge conserving current deposition algorithm for electromagnetic particle-in-cell simulations. Comput. Phys. Commun. 291: 108849 (2023)- [j3]Bernhard Manfred Gruber, Guilherme Amadio, Jakob Blomer, Alexander Matthes, René Widera, Michael Bussmann:
LLAMA: The low-level abstraction for memory access. Softw. Pract. Exp. 53(1): 115-141 (2023) - 2022
- [j2]Matthew Leinhauser, René Widera, Sergei I. Bastrakov, Alexander Debus, Michael Bussmann, Sunita Chandrasekaran:
Metrics and Design of an Instruction Roofline Model for AMD GPUs. ACM Trans. Parallel Comput. 9(1): 1:1-1:14 (2022) - 2016
- [j1]Alexander Matthes, Axel Huebl, René Widera, Sebastian Grottel, Stefan Gumhold, Michael Bussmann:
In situ, steerable, hardware-independent and data-structure agnostic visualization with ISAAC. Supercomput. Front. Innov. 3(4): 30-48 (2016)
Conference and Workshop Papers
- 2023
- [c11]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: 35-49 - [c10]Felix Meyer, Benjamín Hernández, Richard Pausch, René Widera, David Groß, Sergei I. Bastrakov, Axel Huebl, Guido Juckeland, Jeffrey Kelling, Matt Leinhauser, David M. Rogers, Ulrich Schramm, Klaus Steiniger, Stefan Gumhold, Jeff Young, Michael Bussmann, Sunita Chandrasekaran, Alexander Debus:
Hardware-Agnostic Interactive Exascale In Situ Visualization of Particle-In-Cell Simulations. PASC 2023: 9:1-9:14 - 2022
- [c9]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:
Evaluating GPU Programming Models for the LUMI Supercomputer. SCFA 2022: 79-101 - 2021
- [c8]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:
Transitioning from File-Based HPC Workflows to Streaming Data Pipelines with openPMD and ADIOS2. SMC 2021: 99-118 - [c7]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:
Challenges Porting a C++ Template-Metaprogramming Abstraction Layer to Directive-Based Offloading. WACCPD@SC 2021: 92-111 - 2017
- [c6]Axel Huebl, René Widera, Felix Schmitt, Alexander Matthes, Norbert Podhorszki, Jong Youl Choi, Scott Klasky, Michael Bussmann:
On the Scalability of Data Reduction Techniques in Current and Upcoming HPC Systems from an Application Perspective. ISC Workshops 2017: 15-29 - [c5]Alexander Matthes, René Widera, Erik Zenker, Benjamin Worpitz, Axel Huebl, Michael Bussmann:
Tuning and Optimization for a Variety of Many-Core Architectures Without Changing a Single Line of Implementation Code Using the Alpaka Library. ISC Workshops 2017: 496-514 - 2016
- [c4]Erik Zenker, Benjamin Worpitz, René Widera, Axel Huebl, Guido Juckeland, Andreas Knüpfer, Wolfgang E. Nagel, Michael Bussmann:
Alpaka - An Abstraction Library for Parallel Kernel Acceleration. IPDPS Workshops 2016: 631-640 - [c3]Erik Zenker, René Widera, Axel Huebl, Guido Juckeland, Andreas Knüpfer, Wolfgang E. Nagel, Michael Bussmann:
Performance-Portable Many-Core Plasma Simulations: Porting PIConGPU to OpenPower and Beyond. ISC Workshops 2016: 293-301 - 2013
- [c2]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:
Radiative signatures of the relativistic Kelvin-Helmholtz instability. SC 2013: 5:1-5:12 - 2012
- [c1]Robert Dietrich, Felix Schmitt, René Widera, Michael Bussmann:
Phase-Based Profiling in GPGPU Kernels. ICPP Workshops 2012: 414-423
Informal and Other Publications
- 2024
- [i11]Jeremy J. Williams, Daniel Medeiros, Stefan Costea, David Tskhakaya, Franz Poeschel, René Widera, Axel Huebl, Scott Klasky, Norbert Podhorszki, Leon Kos, Ales Podolnik, Jakub Hromadka, Tapish Narwal, Klaus Steiniger, Michael Bussmann, Erwin Laure, Stefano Markidis:
Enabling High-Throughput Parallel I/O in Particle-in-Cell Monte Carlo Simulations with openPMD and Darshan I/O Monitoring. CoRR abs/2408.02869 (2024) - 2022
- [i10]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:
Early Application Experiences on a Modern GPU-Accelerated Arm-based HPC Platform. CoRR abs/2209.09731 (2022) - 2021
- [i9]Bernhard Manfred Gruber, Guilherme Amadio, Jakob Blomer, Alexander Matthes, René Widera, Michael Bussmann:
LLAMA: The Low Level Abstraction For Memory Access. CoRR abs/2106.04284 (2021) - [i8]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:
Transitioning from file-based HPC workflows to streaming data pipelines with openPMD and ADIOS2. CoRR abs/2107.06108 (2021) - [i7]Matthew Leinhauser, René Widera, Sergei I. Bastrakov, Alexander Debus, Michael Bussmann, Sunita Chandrasekaran:
Metrics and Design of an Instruction Roofline Model for AMD GPUs. CoRR abs/2110.08221 (2021) - [i6]Jeffrey Kelling, Sergei I. Bastrakov, Alexander Debus, Thomas Kluge, Matt Leinhauser, Richard Pausch, Klaus Steiniger, Jan Stephan, René Widera, Jeff Young, Michael Bussmann, Sunita Chandrasekaran, Guido Juckeland:
Challenges Porting a C++ Template-Metaprogramming Abstraction Layer to Directive-based Offloading. CoRR abs/2110.08650 (2021) - 2017
- [i5]Axel Huebl, René Widera, Felix Schmitt, Alexander Matthes, Norbert Podhorszki, Jong Youl Choi, Scott Klasky, Michael Bussmann:
On the Scalability of Data Reduction Techniques in Current and Upcoming HPC Systems from an Application Perspective. CoRR abs/1706.00522 (2017) - [i4]Alexander Matthes, René Widera, Erik Zenker, Benjamin Worpitz, Axel Huebl, Michael Bussmann:
Tuning and optimization for a variety of many-core architectures without changing a single line of implementation code using the Alpaka library. CoRR abs/1706.10086 (2017) - 2016
- [i3]Erik Zenker, Benjamin Worpitz, René Widera, Axel Huebl, Guido Juckeland, Andreas Knüpfer, Wolfgang E. Nagel, Michael Bussmann:
Alpaka - An Abstraction Library for Parallel Kernel Acceleration. CoRR abs/1602.08477 (2016) - [i2]Erik Zenker, René Widera, Axel Huebl, Guido Juckeland, Andreas Knüpfer, Wolfgang E. Nagel, Michael Bussmann:
Performance-Portable Many-Core Plasma Simulations: Porting PIConGPU to OpenPower and Beyond. CoRR abs/1606.02862 (2016) - [i1]Alexander Matthes, Axel Huebl, René Widera, Sebastian Grottel, Stefan Gumhold, Michael Bussmann:
In situ, steerable, hardware-independent and data-structure agnostic visualization with ISAAC. CoRR abs/1611.09048 (2016)
Coauthor Index
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