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PRODID:-//Microsoft Corporation//Outlook MIMEDIR//EN
VERSION:2.0
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DTSTART:20141118T193000Z
DTEND:20141118T200000Z
LOCATION:New Orleans Theater
DESCRIPTION;ENCODING=QUOTED-PRINTABLE:ABSTRACT: We present an end-to-end optimization of the innovative Arbitrary =0Ahigh-order DERivative Discontinuous Galerkin (ADER-DG) software =0ASeisSol targeting Intel® Xeon Phi™ coprocessor platforms, achieving =0Aunprecedented earthquake model complexity through coupled simulation of =0Afull frictional sliding and seismic wave propagation.=0ASeisSol exploits unstructured meshes to flexibly adapt for complicated =0Ageometries in realistic geological models.=0ASeismic wave propagation is solved simultaneously with earthquake =0Afaulting in a multiphysical manner leading to a heterogeneous solver =0Astructure.=0AOur architecture-aware optimizations deliver up to 50% of peak =0Aperformance, and introduce an efficient compute-communication =0Aoverlapping scheme shadowing the multiphysics computations.=0ASeisSol delivers near-optimal weak scaling, reaching 8.6 DP-PFLOPS on =0A8,192 nodes of the Tianhe-2 supercomputer.=0AOur performance model projects reaching 18-20 DP-PFLOPS on the full =0ATianhe-2 machine.=0AOf special relevance to modern civil engineering needs, our pioneering =0Asimulation of the 1992 Landers earthquake shows highly detailed rupture =0Aevolution and ground motion at frequencies up to 10 Hz.
SUMMARY:Petascale High Order Dynamic Rupture Earthquake Simulations on Heterogeneous Supercomputers
PRIORITY:3
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