NDLI: Data distribution schemes of sparse arrays on distributed memory multicomputers

Content Provider	IEEE Xplore Digital Library
Author	Chun-Yuan Lin Yeh-Ching Chung Jen-Shiuh Liu
Copyright Year	2002
Description	Author affiliation: Dept. of Inf. Eng., Feng Chia Univ., Taichung, Taiwan (Chun-Yuan Lin; Yeh-Ching Chung; Jen-Shiuh Liu)
Abstract	A data distribution scheme of sparse arrays on a distributed memory multicomputer in general, is composed of three phases: data partition, data distribution, and data compression. To implement the data distribution scheme, methods proposed in the literature first perform the data partition phase, then the data distribution phase, followed by the data compression phase. We call this scheme as send followed compress (SFC) scheme. In this paper, we propose two other data distribution schemes, compress followed send (CFS) and encoding-decoding (ED), for sparse array distribution. In the CFS scheme, the data compression phase is performed before the data distribution phase. In the ED scheme, the data compression phase can be divided into two steps, encoding and decoding. The encoding step and the decoding step are performed before and after the data distribution phase, respectively. To evaluate the CFS and the ED schemes, we compare them with the SFC scheme. In the theoretical analysis, we analyze the SFC, CFS, and ED schemes in terms of the data distribution time and the data compression time. In the experimental test, we implemented these schemes on an IBM SP2 parallel machine. From the experimental results, for most of the test cases, the CFS and ED schemes outperform the SFC scheme. For the CFS and ED schemes, the ED scheme outperforms the CFS scheme for all the test cases.
Starting Page	551
Ending Page	558
File Size	332366
Page Count	8
File Format	PDF
ISBN	0769516807
ISSN	15302016
DOI	10.1109/ICPPW.2002.1039777
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-08-21
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Phased arrays Data compression Decoding Encoding Testing Data engineering Parallel machines Finite element methods Scattering Shape
Content Type	Text
Resource Type	Article

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