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Hank Childs, Scott Biersdorff, David Poliakoff, David Camp, Allen D. Malony: Particle advection performance over varied architectures and workloads. HiPC 2014: 1-10

Keywords: GPGPU, Hybrid Parallelism, Flow Visualization, Performance Analysis

Particle advection is a foundational operation for many flow visualization techniques, including streamlines, Finite-Time Lyapunov Exponents (FTLE) calculation, and stream surfaces. The workload for particle advection problems varies greatly, including significant variation in computational requirements. With this study, we consider the performance impacts from hardware architecture on this problem, studying distributed-memory systems with CPUs with varying amounts of cores per node, and with nodes with one to three GPUs. Our goal was to explore which architectures were best suited to which workloads, and why. While the results of this study will help inform visualization scientists which architectures they should use when solving certain flow visualization problems, it is also informative for the larger HPC community, since many simulation codes will soon incorporate visualization via in situ techniques.


Created: Mon Jan 23 20:14:19 2017

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