Porting TELEMAC-MASCARET to OPENPOWER and experimenting GPU offloading to accelerate the TOMAWAC module

descriptionPublicationkeyboard_double_arrow_right Conference object 17 Jan 2020 Germany English Publisher:ZenodoFunded by:UKRI | The DiRAC 2.5x Facility

Authors: Grasset, Judicaël; Longshaw, Stephen M.; Moulinec, Charles; Emerson, David R.; Audouin, Yoann; Tassi, Pablo;

doi: 10.5281/zenodo.3611547 , 10.5281/zenodo.3611548

handle: 20.500.11970/107159

Porting TELEMAC-MASCARET to OPENPOWER and experimenting GPU offloading to accelerate the TOMAWAC module

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Abstract

In this paper the state of porting TELEMACMASCARET on the OPENPOWER architecture with different compilers is shown. A port to GPUs with OpenMP and OpenACC of a computationally intensive subroutine of TOMAWAC is also explained and the performance benefits shown, a comparison with an x86-64 machine is also presented. Finally ongoing work is presented and discussed: the port of a complete and more challenging test-case, a triple coupling case from EDF.

Country

Germany

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Keywords

telemac conference 2019, Hydrodynamics, Hydrodynamik (532.5)

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