AlexBreuer

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Address:
University of California, San Diego
San Diego Supercomputer Center
9500 Gilman Drive MC 0505
Office:
363
Email:
anbreuer@ucsd.edu
Phone:
+1 (858) 822-5692

Alexpfp.png

Research

Selected Awards and Honors

Spring 2016
Nominated for best dissertation prize 2015 of Gesellschaft für Informatik GI-Dissertationspreis
Autumn 2014
ACM IEEE-CS George Michael Memorial Fellowship for the doctoral project "Petascale High Order Earthquake Simulations"
Press release #1, press release #2
Autumn 2014
ACM Gordon Bell Prize nomination for the collaborative paper "Petascale High Order Dynamic Rupture Earthquake Simulations on Heterogeneous Supercomputers"
Press release and further information
Summer 2014
PRACE ISC Award for the collaborative paper "Sustained Petascale Performance of Seismic Simulations with SeisSol on SuperMUC"
Press release

Publications

June 2017
EDGE: Extreme Scale Fused Seismic Simulations with the Discontinuous Galerkin Method - A. Breuer, A. Heinecke, Y. Cui
In Kunkel J., Yokota R., Balaji P., Keyes D. (eds) High Performance Computing. ISC 2017. Lecture Notes in Computer Science, vol 10266. Springer, Cham
June 2017
Accelerating Seismic Simulations using the Intel Xeon Phi Knights Landing Processor - J. Tobin, A. Breuer, A. Heinecke, C. Yount, Y. Cui
In Kunkel J., Yokota R., Balaji P., Keyes D. (eds) High Performance Computing. ISC 2017. Lecture Notes in Computer Science, vol 10266. Springer, Cham
January 2017
Hochperformante Erdbebensimulationen - A. Breuer
Ausgezeichnete Informatikdissertationen 2015, Lecture Notes in Informatics (LNI), Gesellschaft für Informatik, Bonn 2016 41
November 2016
YASK - Yet Another Stencil Kernel: a framework for HPC stencil code-generation and tuning - C. Yount, J. Tobin, A. Breuer, A. Duran
2016 Sixth International Workshop on Domain-Specific Languages and High-Level Frameworks for High Performance Computing
June 2016
Chapter 21 - High Performance Earthquake Simulations - A. Heinecke, A. Breuer, M. Bader
Intel Xeon Phi Processor High Performance Programming Knights Landing Edition, pp. 471-498. Morgan Kaufmann, 2016
June 2016
High Order Seismic Simulations on the Intel Xeon Phi Processor (Knights Landing) - A. Heinecke, A. Breuer, M.Bader
High Performance Computing: 31st International Conference, ISC High Performance 2016, Frankfurt, Germany, June 19-23, 2016, Proceedings
May 2016
Petascale Local Time Stepping for the ADER-DG Finite Element Method - A. Breuer, A. Heinecke, M. Bader
2016 IEEE International Parallel and Distributed Processing Symposium (IPDPS), pp. 854-863. IEEE, 2016
July 2015
High-Order ADER-DG Minimizes Energy- and Time-to-Solution of SeisSol - A. Breuer, A. Heinecke, L. Rannabauer, M.Bader
High Performance Computing, Lecture Notes in Computer Science Volume 9137, 2015, pp 340-357
November 2014
Petascale High Order Dynamic Rupture Earthquake Simulations on Heterogeneous Supercomputers - A. Heinecke, A. Breuer, S. Rettenberger, M. Bader, A.-A. Gabriel, C. Pelties, A. Bode, W. Barth, X.-K. Liao, K. Vaidyanathan, M. Smelyanskiy, P. Dubey
Supercomputing 2014, The International Conference for High Performance Computing, Networking, Storage and Analysis; Gordon Bell Finalist 2014
April 2014
Vectorization of an Augmented Riemann Solver for the Shallow Water Equations - M. Bader, A. Breuer, Wolfgang Hölzl, S. Rettenberger
2014 International Conference on High Performance Computing & Simulation (HPCS 2014), accepted
March 2014
Sustained Petascale Performance of Seismic Simulations with SeisSol on SuperMUC - A. Breuer, A. Heinecke, S. Rettenberger, M. Bader, A. Gabriel, C. Pelties
International Supercomputing Conference (ISC) Proceedings 2014 of Lecture Notes in Computer Science. Springer, Heidelberg, June 2014; PRACE ISC Award 2014
January 2014
Hardware-aware block size tailoring on adaptive spacetree grids for shallow water waves - T. Weinzierl, R. Wittmann, K. Unterweger, M. Bader, A. Breuer, S. Rettenberger
HiStencils 2014 - 1st International Workshop on High-Performance Stencil Computations, 2014, accepted
November 2013
Optimized Kernels for large scale earthquake simulations with SeisSol, an unstructured ADER-DG code (poster abstract) - A. Heinecke, A. Breuer, S. Rettenberger, M. Bader, A. Gabriel, C. Pelties, S. Wenk
Supercomputing 2013, The International Conference for High Performance Computing, Networking, Storage and Analysis, IEEE, Denver, November 2013
October 2013
Accelerating SeisSol by Generating Vectorized Code for Sparse Matrix Operators - A. Breuer, A. Heinecke, M. Bader, C. Pelties
Parallel Computing - Accelerating Computational Science and Engineering (CSE), Volume 25 of Advances in Parallel Computing, p. 347–356. IOS Press, April 2014
November 2012
Teaching Parallel Programming Models on a Shallow-Water Code - A. Breuer, M. Bader
ISPDC 2012 - 11th International Symposium on Parallel and Distributed Computing, IEEE Computer Society
September 2012
Parallel Fully Adaptive Tsunami Simulations (extended abstract) - M. Bader, A. Breuer, M. Schreiber
Facing the Multicore-Challenge III - Aspects of New Paradigms and Technologies in Parallel Computing, Lecture Notes in Computer Science, Vol. 7686, Theoretical Computer Science and General Issues

Posters

November 2018
Tensor-Optimized Hardware Accelerates Fused Discontinuous Galerkin Simulations - A. Breuer, A. Heinecke, Y. Cui
SC18, The International Conference for High Performance Computing, Networking, Storage, and Analysis
September 2018
Fused Earthquake Simulations on Deep Learning Hardware - A. Breuer, A. Heinecke, Y. Cui
Southern California Earthquake Center, Annual Meeting, 2018, Dallas, TX, USA
September 2018
Unified and Continuous Software Development for AWP-ODC-OS - Y. Cui, A. Breuer, R. Konwar, D. Lenz
Southern California Earthquake Center, Annual Meeting, 2018, Palm Springs, CA, USA
September 2018
Towards Seismic Inverse Problems - J. Bryan, A. Breuer, Y. Cui
Southern California Earthquake Center, Annual Meeting, 2018, Palm Springs, CA, USA
September 2018
Towards Topography in AWP-ODC - O. O'Reilly, A. Breuer, Y. Cui, C. Goulet, K. Olsen
Southern California Earthquake Center, Annual Meeting, 2018, Palm Springs, CA, USA
June 2018
Deep Learning Hardware Accelerates Fused Discontinuous Galerkin Simulations - A. Heinecke, A. Breuer, J. Qiu, Y. Cui
ISC High Performance 2018, Frankfurt, Germany
June 2018
EDGE: Benchmarking the Seismic Wave Propagation Solver - A. Breuer, A. Heinecke, Y. Cui
11th National Conference on Earthquake Engineering (#11NCEE), Los Angeles, CA, USA
September 2017
Fused Seismic Simulations with the Discontinuous Galerkin Method at Extreme-Scale - A. Breuer, A. Heinecke, Y. Cui
Southern California Earthquake Center, Annual Meeting, 2017
September 2017
Tuning AWP-ODC-OS for efficient, scalable performance on manycore architectures - D. Lenz, J. Tobin, A. Breuer, A. Heinecke, C. Yount, & Y. Cui
Southern California Earthquake Center, Annual Meeting, 2017
September 2016
Recent Advances of the ADER-DG Finite Element Method for Seismic Simulations - A. Breuer, A. Heinecke, Y. Cui
Southern California Earthquake Center, Annual Meeting, 2016
September 2016
Accelerating AWP-ODC-OS Using Xeon Phi Processors - J. Tobin, A. Breuer, C. Yount, A. Heinecke, Y. Cui
Southern California Earthquake Center, Annual Meeting, 2016
April 2016
High Performance Algorithms and Software for Seismic Simulations - A. Breuer, A. Heinecke, M. Bader
17th SIAM Conference on Parallel Processing for Scientific Computing
October 2014
Physics-Based Earthquake Rupture Simulations with SeisSol - C. Pelties, A. Gabriel, A. Breuer, M. Bader, A. Heinecke, S. Rettenberger
Extremes 2014 - Modeling, Analysis, and Prediction of Extreme Events; best poster award
November 2013
Optimized Kernels for large scale earthquake simulations with SeisSol, an unstructured ADER-DG code - A. Heinecke, A. Breuer, S. Rettenberger, M. Bader, A. Gabriel, C. Pelties, S. Wenk
Supercomputing 2013, The International Conference for High Performance Computing, Networking, Storage and Analysis.. IEEE, Denver, November 2013
October 2013
SeisSol: The ADER-DG method for seismic wave propagation and earthquake rupture dynamics - C. Pelties, A. Gabriel, L. Passone, A. Breuer, S. Rettenberger, A. Atanasov
Southern California Earthquake Center, Annual Meeting, 2013
June 2013
Optimizing a Cartesian Shallow Water Code on Hybrid Architectures - M. Bader, A. Breuer, S. Rettenberger
SIAM Conference on Mathematical and Computational Issues in the Geosciences
April 2013
The Leibniz-Rechenzentrum (LRZ) as a computation laboratory for the geoscience communities: systems, tools, services, and joint efforts for HPC-applications in geosciences - G. Brietzke, A. Frank, C. Pelties, A. Breuer, A. Heinecke
European Geosciences Union 2013
February 2013
A 3D dynamic rupture and sea floor simulation of the 2011 Mw9 Tohoku earthquake coupled with Tsunamis - P. Galvez, A. Breuer, L. Dalguer, S. Rettenberger
Symposium "Extreme Events: Modeling, Analysis, and Prediction"
February 2013
Simulation of Tsunamigenic Earthquakes in the ASCETE project - M. Bader, A. Breuer, A. Gabriel, A. Heinecke, M. Käser, C. Pelties, S. Rettenberger
Symposium "Extreme Events: Modeling, Analysis, and Prediction"
September 2012
Parallel Fully Adaptive Tsunami Simulations - M. Bader, A. Breuer, M. Schreiber
Facing the Multicore-Challenge III - Aspects of New Paradigms and Technologies in Parallel Computing
May 2012
Dynamically adaptive simulation of Tsunamis - A. Breuer, M. Schreiber, M. Bader
KAUST-IAMCS Workshop on Modeling and Simulation of Wave Propagation and Applications 2012
February 2012
Teaching Parallel Programming Models on a Shallow-Water Code - M. Bader, A. Breuer
SIAM Conference on Parallel Processing for Scientific Computing
March 2011
Finite-Volume Tsunami-Simulation using the Peano-Framework - A. Breuer
ASIM Workshop 2011 -- Trends in Computational Science and Engineering

Talks

October 2018
High-Performance Computational Geophysics - A. Breuer
KAUST Seminar, Thuwal, Saudi Arabia
June 2018
EDGE: Benchmarking the Seismic Wave Propagation Solver - A. Breuer, A. Heinecke, Y. Cui
11th National Conference on Earthquake Engineering (#11NCEE), Los Angeles, CA, USA
May 2018
EDGE: Towards Extreme-Scale Nonlinear Earthquake Simulations - A. Breuer, A. Heinecke, Y. Cui
Seismology of the Americas, Miami, FL, USA
September 2017
Harnessing the Intel Xeon Phi x200 Processor for Earthquake Simulations - A. Breuer, Y. Cui, A. Heinecke, J. Tobin, and C. Yount
IXPUG US Annual Meeting, Austin, TX, USA
June 2017
EDGE: Extreme Scale Fused Seismic Simulations with the Discontinuous Galerkin Method - A. Breuer, A. Heinecke, Y. Cui
International Super Computing (ISC) High Performance, Frankfurt, Germany
June 2017
Extreme Scale Earthquake Simulations on the Intel® Xeon Phi™ x200 Processor - A. Breuer, Y. Cui, A. Heinecke, J. Tobin, C. Yount
Intel Collaboration Hub at International Super Computing (ISC) High Performance, Frankfurt, Germany
April 2017
EDGE: Extreme-scale Discontinuous Galerkin Environment - A. Breuer, A. Heinecke, Y. Cui
Seismological Society of America (SSA), Annual Meeting, Denver, CO, USA
September 2016
Seismic Simulations with Local Time Stepping on Xeon and Xeon Phi Processors
IXPUG 2016 Annual US Meeting (IXPUG2016)
June 2016
Petascale Local Time Stepping for the ADER-DG Finite Element Method
ICOSAHOM 2016
June 2016
Towards 100+ PFLOPS: A Roadmap for AWP-ODC and UQ with DG-FEM on next-generation Intel Xeon Phi Processors
SCEC Cybershake and High-F Workshop
May 2016
Petascale Local Time Stepping for the ADER-DG Finite Element Method
IPDPS 2016
May 2016
High Performance Earthquake Simulations
Kolloquium zum GI Dissertationspreis 2015
December 2015
High Performance Earthquake Simulations
Geophysics seminar at San Diego State University
November 2015
High Performance Earthquake Simulations
The International Conference for High Performance Computing, Networking, Storage and Analysis
October 2015
High Performance Earthquake Simulations
Invited presentation, Imperial College
July 2015
SeisSol
ISC 2015: BOF - Exploiting SIMD-Parallelism – Today & Tomorrow
June 2015
Minimizing Time- and Energy-to-Solution of SeisSol
PASC 2015: Platform for Advanced Scientific Computing Conference
April 2015
End-to-end Optimization of SeisSol
EASC 2015: Exascale Applications and software conference 2015
March 2015
Unleashing the Power of 1+ Million Cores for Earthquake Simulations
Leogang 2015 Workshop
February 2015
Sustained Petascale Performance on Homogenous and Heterogeneous Supercomputers
EMEA Intel® PCC User Group Event
December 2014
Geophysik auf 147.456 Rechenkernen: SeisSol als Gordon Bell Finalist
Kommission für Informatik der Bayerischen Akademie der Wissenschaften
December 2014
Energy Footprint of SeisSol
First Joint MSE/TUM CS Workshop on Smart Energy Systems
November 2014
Earthquake Simulations on 1+ Million Cores
Intel®'s booth; Supercomputing 2014, The International Conference for High Performance Computing, Networking, Storage and Analysis
September 2014
SeisSol - Petascale Seismic Simulations
EMEA Intel® PCC User Forum Conference
July 2014
Best Practices for the Xeon Phi Coprocessor; Tuning SG++, ls1 mardyn and SeisSol
IXPUG User Meeting 2014
June 2014
Tuning SeisSol for Petascale Performance
ICOSAHOM 2014, International Conference on Spectral and High Order Methods
February 2014
Tuning Sparse and Dense Matrix Operators in SeisSol
SIAM Conference on Parallel Processing and Scientific Computing, February 2014
September 2013
Towards optimal performance of SeisSol, an unstructured ADER-DG code
26th Chemnitz FEM Symposium 2013
September 2013
Accelerating SeisSol by Generating Vectorized Code for Sparse Matrix Operators
International Conference on Parallel Computing (ParCo) 2013
June 2013
Hardware-aware optimization of SeisSol, an unstructured ADER-DG code
SIAM Conference on Mathematical and Computational Issues in the Geosciences
March 2013
Sierpinksi, Parallel Finite Volume Tsunami Simulations on Dynamically Adaptive Triangular Grids
84th Annual Meeting of the International Association of Applied Mathematics and Mechanics
January 2013
Optimization of SeisSol
GeoComputing Seminar, Ludwig-Maximilians-Universität München
July 2011
Peano: Tsunami Simulation is not about Grids
MAC Summer Workshop 2011, Peano User Meeting

Synergistic Activities

Software

  • EDGE (BSD-3): Extreme-scale Discontinuous Galerkin Environment
  • AWP-ODC-OS (BSD-2): Anelastic Wave Propagation software
  • SeisSol (BSD-3): Seismic wave propagation and dynamic rupture solver
  • SWE (GPLv3): The Shallow Water Equations teaching code

Service

  • Co-organizer of minisymposium at SIAM CSE 2019: High-Order PDE Methods on CPU Architectures with wide SIMD unites
  • Reviewer for Lawrence Livermore National Laboratory, 2018.
  • Committee member, VECPAR 2018 13th International Meeting on High Performance Computing for Computational Science
  • Committee member, IPDPS18 in the area "Experiments and Practice in Parallel and Distributed Computing"
  • Reviewer for 11th National Conference on Earthquake Engineering (#11NCEE).
  • Reviewer for Computers and Fluids.
  • Reviewed 15 poster submissions for SC17
  • Co-organized minisymposium at SIAM CSE 2017: Efficiency of High-Order Methods on the 2nd Generation Intel Xeon Phi Processor
  • Co-organized minisymposium at PASC 2015: Advances in Numerics and Physical Modeling for Geophysical Fluid Dynamics
  • Member of Society for Industrial and Applied Mathematics (SIAM)
  • Member of Association for Computing Machinery (ACM)
  • Member of Seismological Society of America (SSA)

Teaching

Tutorials, Courses and Seminars

SS 2017
Application Example: SIMD+OMP+MPI in EDGE Extreme Scale Earthquake Simulations, presentation in UCSD lecture Physics 244, Parallel Computing for Science and Engineering
SS 2015
High Performance Computing, seminar
Numerical Methods for Earthquake and Tsunami Simulation, seminar
WS 2014
Scientific Computing: Molecular Dynamics, bachelor practical course
Tsunami-Simulation, bachelor practical course
High Performance Computing, master practical course
SS 2014
Numerical Methods for Earthquake and Tsunami Simulation, seminar
WS 2013
Advanced Programming, lectures
High Performance Computing, master practical course
SS 2013
Tsunami-Simulation, bachelor practical course
Numerical Methods for Hyperbolic PDEs: From Traffic Simulation to Earthquakes and Tsunamis, seminar
WS 2012/2013
Scientific Computing: Molecular Dynamics, bachelor practical course
Summer 2012
Gene Golub SIAM Summer School 2012 - Simulation and Supercomputing in the Geosciences, teaching assistant
SS 2012
Numerical Methods for Earthquake and Tsunami Simulation, seminar
Numerical Programming, tutorials, programming assignments
WS 2011/2012
Discrete Structures, tutorials

Selected Student Projects

since October 2018
P. Shah, Volunteer - Convolutions in Cybershake
since March 2017
D. Lenz, Student Volunteer and Graduate Student Researcher - Surface meshing, solid/fluid interfaces for ADER-DG, high-order DG material discretizations
since June 2018
J. Bryan - Southern California Earthquake Center/Summer Undergraduate Research Experience (SCEC/SURE), student volunteer - Towards Seismic Inverse Problems Using Deep Learning
June 2018 - August 2018
J. Zhang - High School Intern - Analysis of the number of required bits in the mantissa for seismic simulations.
April 2017 - May 2018
R. Konwar, Graduate Student Researcher and Student Volunteer - Continuous Integration and Continuous Delivery for AWP-ODC-OS; Velocity-aware tetrahedral meshing; First position: ANSYS
September 2017 - April 2018
J. Qiu, Student Volunteer - Performance modeling, Cache Blocking and Reduction of L1 Write Conflicts for fused ADER-DG simulations on Knights Landing; First position: Falcon Computing
December 2015 - June 2017
J. Tobin, Student Volunteer and Graduate Student Researcher - Accelerating Seismic Simulations using the Intel Xeon Phi Knights Landing Processor; First position: Edgestream Partners
October 2015
P. Gomez, Master's thesis - A Hardware-aware ADER-DG Method for Hyperbolic Partial Differential Equations
August 2015
J. Klicpera, Bachelor's thesis - Fault Parameterization and Rough Fault Earthquake Simulations in SeisSol
August 2015
F. Späth, Bachelor's thesis - In-situ Visualisierung von Tsunami-Simulationen auf verteilten Systemen
August 2014
L. Rannabauer, Bachelor's thesis - Runge-Kutta and ADER discontinuous Galerkin schemes for hyperbolic partial differential equations
March 2014
F. Gratl, Bachelor's thesis - Workflow automation of verification and performance tests for SeisSol
December 2013
L. Rannabauer, Bachelor's thesis - Q-bench: implementation and parametrisation of a routine to evaluate the quality of traffic information
October 2013
L. Spiegelberg, Bachelor's thesis - Ocean circulation studies in the Labrador Sea
July 2013
W. Hölzl, Bachelor's thesis - Vectorization and GPGPU-Acceleration of an Augmented Riemann Solver for the Shallow Water Equations
June 2013
M. Müller, Interdisciplinary Project - Global Tsunami Simulation on Distorted Adaptive Triangular-Grids
March 2013
A. Bakhtiari and D. Pinaev, BGCE Honours Project 2012 - Implementation of a 3D Model for Seismic Simulations on Adaptive Refined Meshes in PeanoClaw
November 2012
D. Gudu, Master's Thesis - Parallel Tsunami Simulations With Block-Structured Adaptive Mesh Refinement
June 2012
S. Rettenberger, Master's Thesis - A parallel server for adaptive geoinformation in computational fluid dynamics

Media Coverage

June 2018
LIBXSMM Brings Deep-learning “Lessons Learned” to Many HPC Applications
Appeared in Medium.
June 2017
Novel Seismic Software Sheds Light on Earthquake Paths.
Appeared in R&D Magazine, ACM TechNews, WSSPC Newsletter.
March 2017
SDSC Achieves Record Performance in Seismic Simulations With Intel.
Appeared in HPCWire, insideHPC, Phys.org, NERSC News, LBNL News, UCSD News.
October 2014
Recipients of 2014 ACM/IEEE Computer Society George Michael Memorial HPC Fellowships announced.
Appeared in Scientific Computing World, IEEE Computer Society, SIGHPC Newsletter, SC Newsletter, SC News.
August 2014
Finalists Compete for Coveted ACM Gordon Bell Prize in High Performance Computing.
Appeared in HPCwire, insideHPC, Scientific Computing, SC News.
April 2014
Earthquake simulation tops one quadrillion flops: Computational record on SuperMUC.
Appeared in HPCwire, insideHPC, Phys.org, Scientifc Computing, derStandard.at, PRACE News, TUM News, LMU News.
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