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SCHEDULE: NOV 15-20, 2015

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Massively Parallel Models of the Human Circulatory System

SESSION: ACM Gordon Bell Finalist I

EVENT TYPE: Awards Presentations, ACM Gordon Bell Finalists

EVENT TAG(S): Performance, HPC Beginner Friendly, Applications

TIME: 10:30AM - 11:00AM

SESSION CHAIR(S): Taisuke Boku

AUTHOR(S):Amanda Randles, Erik W. Draeger, Tomas Oppelstrup, Liam Krauss, John Gunnels



The potential impact of blood flow simulations on the diagnosis and treatment of patients suffering from vascular disease is tremendous. Empowering models of the full arterial tree can provide insight into diseases such as arterial hypertension and enables the study of the influence of local factors on global hemodynamics. We present a new, highly scalable implementation of the Lattice Boltzmann method which addresses key challenges such as multiscale coupling, limited memory capacity and bandwidth, and robust load balancing in complex geometries. We demonstrate the strong scaling of a three-dimensional, high-resolution simulation of hemodynamics in the systemic arterial tree on 1,572,864 cores of Blue Gene/Q. Faster calculation of flow in full arterial networks enables unprecedented risk stratification on a per-patient basis. In pursuit of this goal, we have introduced computational advances that significantly reduce time-to-solution for biofluidic simulations.

Chair/Author Details:

Taisuke Boku (Chair) - University of Tsukuba|

Amanda Randles - Duke University

Erik W. Draeger - Lawrence Livermore National Laboratory

Tomas Oppelstrup - Lawrence Livermore National Laboratory

Liam Krauss - Lawrence Livermore National Laboratory

John Gunnels - IBM Corporation

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Paper provided by the ACM Digital Library

Paper also available from IEEE Computer Society