Petascale high order dynamic rupture earthquake simulations on heterogeneous supercomputers
We present an end-to-end optimization of the innovative Arbitrary high-order DERivative Discontinuous Galerkin (ADER-DG) software SeisSol targeting Intel® Xeon Phi™ coprocessor platforms, achieving unprecedented earthquake model complexity through coupled simulation of full frictional sliding and se...
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| Published in: | Proceedings of the International Conference for High Performance Computing, Networking, Storage and Analysis pp. 3 - 14 |
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| Main Authors: | , , , , , , , , , , , |
| Format: | Conference Proceeding |
| Language: | English |
| Published: |
Piscataway, NJ, USA
IEEE Press
01.11.2014
IEEE |
| Series: | ACM Conferences |
| Subjects: | |
| ISBN: | 1479955000, 9781479955008 |
| ISSN: | 2167-4329 |
| Online Access: | Get full text |
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| Abstract | We present an end-to-end optimization of the innovative Arbitrary high-order DERivative Discontinuous Galerkin (ADER-DG) software SeisSol targeting Intel® Xeon Phi™ coprocessor platforms, achieving unprecedented earthquake model complexity through coupled simulation of full frictional sliding and seismic wave propagation. SeisSol exploits unstructured meshes to flexibly adapt for complicated geometries in realistic geological models. Seismic wave propagation is solved simultaneously with earthquake faulting in a multiphysical manner leading to a heterogeneous solver structure. Our architecture-aware optimizations deliver up to 50% of peak performance, and introduce an efficient compute--communication overlapping scheme shadowing the multiphysics computations. SeisSol delivers near-optimal weak scaling, reaching 8.6 DP-PFLOPS on 8,192 nodes of the Tianhe-2 supercomputer. Our performance model projects reaching 18--20 DP-PFLOPS on the full Tianhe-2 machine. Of special relevance to modern civil engineering needs, our pioneering simulation of the 1992 Landers earthquake shows highly detailed rupture evolution and ground motion at frequencies up to 10 Hz. |
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| AbstractList | We present an end-to-end optimization of the innovative Arbitrary high-order DERivative Discontinuous Galerkin (ADER-DG) software SeisSol targeting Intel® Xeon Phi™ coprocessor platforms, achieving unprecedented earthquake model complexity through coupled simulation of full frictional sliding and seismic wave propagation. SeisSol exploits unstructured meshes to flexibly adapt for complicated geometries in realistic geological models. Seismic wave propagation is solved simultaneously with earthquake faulting in a multiphysical manner leading to a heterogeneous solver structure. Our architecture-aware optimizations deliver up to 50% of peak performance, and introduce an efficient compute--communication overlapping scheme shadowing the multiphysics computations. SeisSol delivers near-optimal weak scaling, reaching 8.6 DP-PFLOPS on 8,192 nodes of the Tianhe-2 supercomputer. Our performance model projects reaching 18--20 DP-PFLOPS on the full Tianhe-2 machine. Of special relevance to modern civil engineering needs, our pioneering simulation of the 1992 Landers earthquake shows highly detailed rupture evolution and ground motion at frequencies up to 10 Hz. We present an end-to-end optimization of the innovative Arbitrary high-order DERivative Discontinuous Galerkin (ADER-DG) software SeisSol targeting Intel® Xeon Phi coprocessor platforms, achieving unprecedented earthquake model complexity through coupled simulation of full frictional sliding and seismic wave propagation. SeisSol exploits unstructured meshes to flexibly adapt for complicated geometries in realistic geological models. Seismic wave propagation is solved simultaneously with earthquake faulting in a multiphysical manner leading to a heterogeneous solver structure. Our architecture aware optimizations deliver up to 50% of peak performance, and introduce an efficient compute-communication overlapping scheme shadowing the multiphysics computations. SeisSol delivers near-optimal weak scaling, reaching 8.6 DP-PFLOPS on 8,192 nodes of the Tianhe-2 supercomputer. Our performance model projects reaching 18 -- 20 DP-PFLOPS on the full Tianhe-2 machine. Of special relevance to modern civil engineering needs, our pioneering simulation of the 1992 Landers earthquake shows highly detailed rupture evolution and ground motion at frequencies up to 10 Hz. |
| Author | Bader, Michael Rettenberger, Sebastian Dubey, Pradeep Barth, William Liao, Xiang-Ke Breuer, Alexander Gabriel, Alice-Agnes Heinecke, Alexander Bode, Arndt Smelyanskiy, Mikhail Pelties, Christian Vaidyanathan, Karthikeyan |
| Author_xml | – sequence: 1 givenname: Alexander surname: Heinecke fullname: Heinecke, Alexander organization: Technische Universität München, Munich, Germany and Parallel Computing Lab, Intel Corporation, Santa Clara, CA – sequence: 2 givenname: Alexander surname: Breuer fullname: Breuer, Alexander organization: Technische Universität München, Munich, Germany – sequence: 3 givenname: Sebastian surname: Rettenberger fullname: Rettenberger, Sebastian organization: Technische Universität München, Munich, Germany – sequence: 4 givenname: Michael surname: Bader fullname: Bader, Michael organization: Technische Universität München, Munich, Germany – sequence: 5 givenname: Alice-Agnes surname: Gabriel fullname: Gabriel, Alice-Agnes organization: Ludwig-Maximilians-Universität München, Munich, Germany – sequence: 6 givenname: Christian surname: Pelties fullname: Pelties, Christian organization: Ludwig-Maximilians-Universität München, Munich, Germany – sequence: 7 givenname: Arndt surname: Bode fullname: Bode, Arndt organization: Leibniz Supercomputing Centre, Munich, Germany and Technische Universität München, Munich, Germany – sequence: 8 givenname: William surname: Barth fullname: Barth, William organization: Texas Advanced Computing Center, Austin, TX – sequence: 9 givenname: Xiang-Ke surname: Liao fullname: Liao, Xiang-Ke organization: National University of Defense Technology, Changsha, China – sequence: 10 givenname: Karthikeyan surname: Vaidyanathan fullname: Vaidyanathan, Karthikeyan organization: Parallel Computing Lab, Intel Corporation, Bangalore, India – sequence: 11 givenname: Mikhail surname: Smelyanskiy fullname: Smelyanskiy, Mikhail organization: Parallel Computing Lab, Intel Corporation, Santa Clara, CA – sequence: 12 givenname: Pradeep surname: Dubey fullname: Dubey, Pradeep organization: Parallel Computing Lab, Intel Corporation, Santa Clara, CA |
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| Keywords | ADER-DG dynamic rupture heterogeneous supercomputers earthquake simulation hybrid parallelization petascale performance SeisSol |
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| Snippet | We present an end-to-end optimization of the innovative Arbitrary high-order DERivative Discontinuous Galerkin (ADER-DG) software SeisSol targeting Intel® Xeon... |
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| SubjectTerms | ADER-DG Applied computing -- Physical sciences and engineering -- Earth and atmospheric sciences Computational modeling Computer systems organization -- Architectures -- Distributed architectures -- Grid computing Computer systems organization -- Architectures -- Parallel architectures -- Multicore architectures Computer systems organization -- Architectures -- Serial architectures -- Superscalar architectures Computer systems organization -- Dependable and fault-tolerant systems and networks Computing methodologies -- Modeling and simulation -- Simulation types and techniques -- Massively parallel and high-performance simulations dynamic rupture earthquake simulation Earthquakes General and reference -- Cross-computing tools and techniques -- Performance heterogeneous supercomputers hybrid parallelization Jacobian matrices Kernel Networks -- Network performance evaluation Optimization petascale performance Seismic waves SeisSol Software and its engineering -- Software organization and properties -- Software system structures -- Distributed systems organizing principles -- Grid computing Stress |
| Title | Petascale high order dynamic rupture earthquake simulations on heterogeneous supercomputers |
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