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Book Chapter
Latency-Optimized Parallelization of the FMM Near-Field Computations
Book Series
Lecture Notes in Computer Science
Publisher
Springer Berlin / Heidelberg
ISSN
0302-9743 (Print) 1611-3349 (Online)
Volume
Volume 4487/2007
Book
Computational Science – ICCS 2007
DOI
10.1007/978-3-540-72584-8
Copyright
2007
ISBN
978-3-540-72583-1
DOI
10.1007/978-3-540-72584-8_95
Pages
716-722
Subject Collection
Computer Science
SpringerLink Date
Friday, July 13, 2007
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Latency-Optimized Parallelization of the FMM Near-Field Computations
Ivo Kabadshow
1
and Bruno Lang
2
(1)
John von Neumann Institute for Computing, Central Institute for Applied Mathematics, Research Centre Jülich, Germany
(2)
Applied Computer Science and Scientific Computing Group, Department of Mathematics, University of Wuppertal, Germany
Abstract
In this paper we present a new parallelization scheme for the FMM near-field. The parallelization is based on the Global Arrays Toolkit and uses one-sided communication with overlapping. It employs a purely static load-balancing approach to minimize the number of communication steps and benefits from a maximum utilization of data locality. In contrast to other implementations the communication is initiated by the process owning the data via a
put
call, not the process receiving the data (via a
get
call).
Ivo
Kabadshow
Email:
i.kabadshow@fz-juelich.de
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