NDLI: High-fidelity simulation of collective effects in electron beams using an innovative parallel method

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High-fidelity simulation of collective effects in electron beams using an innovative parallel method

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High-fidelity simulation of collective effects in electron beams using an innovative parallel method

Content Provider	ACM Digital Library
Author	Arumugam, Kamesh Godunov, Alexander Terzić, Balša Zubair, Mohammad Ranjan, Desh
Abstract	Among the most challenging and heretofore unsolved problems in accelerator physics is accurate simulation of the collective effects in electron beams. Electron beam dynamics is crucial in understanding and the design of: (i) high-brightness synchrotron light sources --- powerful tools for cutting-edge research in physics, biology, medicine and other fields, and (ii) electron-ion particle colliders, which probe the nature of matter at unprecedented depths. Serial, or even naively parallel, implementation of the electron beam's self-interaction is prohibitively costly in terms of efficiency and memory requirements, necessitating simulation times on the order of months or years. In this paper, we present an innovative, high-performance, high-fidelity, scalable model for simulation of collective effects in electron beams using state-of-the-art multicore systems (GPUs, multicore CPUs, and hybrid CPU-GPU platform). Our parallel simulation algorithm implemented on different multicore systems outperforms the sequential simulation, achieving a performance gain of up to 7.7X and over 50X on the Intel Xeon E5630 CPU and GTX 480 GPU, respectively. It scales nearly linearly with the cluster size. Our simulation code is the first scalable parallel implementation on GPUs, multicore CPUs, and on hybrid CPU-GPU platform for simulating the collective dynamical effects of electron beams in accelerator physics.
Starting Page	1
Ending Page	10
Page Count	10
File Format	PDF
ISBN	9781510810594
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2015-07-26
Publisher Place	San Diego
Access Restriction	Subscribed
Subject Keyword	Electron beam dynamics Parallel simulation models High performance numerical simulations
Content Type	Text
Resource Type	Article

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