✦ LIBER ✦

Concurrent and vectorized Monte Carlo simulation of the evolution of an assembly of particles increasing in number

✍ Scribed by Chia-Jiu Wang; Chwan-Hwa Wu

Publisher: Elsevier Science
Year: 1990
Tongue: English
Weight: 636 KB
Volume: 58
Category: Article
ISSN: 0010-4655
DOI: 10.1016/0010-4655(90)90135-n

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✦ Synopsis

Carlo techniques for simulating the evolution of an assembly of charged particles interacting with a background gas medium under the influence of an electrical field are presented. This simulation problem has inherent parallelism in nature. All the particles can be traced independently in a short time interval. We have overcome three major difficulties: (1) the number of particles to be simulated is increasing over time due to the ionization process; (2) the conditional branching statements do not inhibit multiprocessing through proper manual program tuning; (3) concurrency and vectorization are fully utilized through the new paralellized Monte Carlo method. The shared-memory vector multiprocessor Alliant FX/80 has been used for performance measurements. Significant speedup has been achieved.

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