Towards green aviation with Python at petascale

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Title: Towards green aviation with Python at petascale
Author(s): Vincent, PE
Witherden, FD
Vermeire
Park, JS
Iyer
Item Type: Conference Paper
Abstract: Accurate simulation of unsteady turbulent flow is critical for improved design of greener aircraft that are quieter and more fuel-efficient. We demonstrate application of PyFR, a Python based computational fluid dynamics solver, to petascale simulation of such flow problems. Rationale behind algorithmic choices, which offer increased levels of accuracy and enable sustained computation at up to 58% of peak DP-FLOP/s on unstruc- tured grids, will be discussed in the context of modern hardware. A range of software innovations will also be detailed, including use of runtime code generation, which enables PyFR to efficiently target multiple platforms, including heterogeneous systems, via a single implemen- tation. Finally, results will be presented from a full- scale simulation of flow over a low-pressure turbine blade cascade, along with weak/strong scaling statistics from the Piz Daint and Titan supercomputers, and performance data demonstrating sustained computation at up to 13.7 DP-PFLOP/s.
Publication Date: 13-Nov-2016
Date of Acceptance: 12-Nov-2016
URI: http://hdl.handle.net/10044/1/43000
ISBN: 978-1-4673-8815-3
Publisher: IEEE
Journal / Book Title: SC '16 Proceedings of the International Conference for High Performance Computing, Networking, Storage and Analysis
Copyright Statement: This paper is embargoed until publication.
Sponsor/Funder: Engineering & Physical Science Research Council (E
Engineering & Physical Science Research Council (EPSRC)
Engineering & Physical Science Research Council (EPSRC)
Commission of the European Communities
Funder's Grant Number: EP/L000407/1
EP/K027379/1
EP/M50676X/1
635962
Conference Name: International Conference for High Performance Computing, Networking, Storage and Analysis
Publication Status: Accepted
Start Date: 2016-11-13
Finish Date: 2016-11-17
Conference Place: Utah, USA
Embargo Date: publication subject to indefinite embargo
Appears in Collections:Faculty of Engineering
Aeronautics



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