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Projecting LBM performance on Exascale class Architectures: A tentative outlook

Author(s)
Amati, Giorgio
Succi, Sauro
Krastev, Vesselin K.
Falcucci, Giacomo
Date Issued
2021
Type
article
Volume
55
DOI
Journal or Series
Abstract
In the next years, the first Exascale class supercomputers will go online. In this paper, we portray a prospective Exascale scenario for a Lattice Boltzmann (LB) code, based on the performance obtained exploiting an up-to-date Petascale HPC facility. Although extrapolation is always a perilous exercise, in this work we aim to lay down a few guidelines to help the LBM community to carefully plan larger and more complex simulations using the forthcoming Exascale supercomputer machines.
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