NDLI: Parallel real-time computation: sometimes quantity means quality

Content Provider	IEEE Xplore Digital Library
Author	Akl, S.G.
Copyright Year	2000
Description	Author affiliation: Dept. of Comput. & Inf. Sci., Queen's Univ., Kingston, Ont., Canada (Akl, S.G.)
Abstract	We show that within the paradigm of real time computation, some classes of problems have the property that a solution to a problem in the class, when computed in parallel, is far superior in quality than the best one obtained on a sequential computer. Examples from these classes are presented. In each case, the solution obtained in parallel is significantly, provably, and consistently better than a sequential one. It is important to note that the purpose of the paper is not to demonstrate merely that a parallel computer can obtain a better solution to a computational problem than one derived sequentially. The latter is an interesting (and often surprising) observation in its own right, but we wish to go further. It is shown that the improvement in quality can be arbitrarily high (and certainly superlinear in the number of processors used by the parallel computer). This result is akin to superlinear speedup, a phenomenon itself originally thought to be impossible.
Starting Page	2
Ending Page	11
File Size	1208350
Page Count	10
File Format	PDF
ISBN	0769509363
ISSN	10874089
DOI	10.1109/ISPAN.2000.900252
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-12-09
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Concurrent computing Information science Computer applications Business communication Computer science education Computational modeling Councils Layout Ear Parallel algorithms
Content Type	Text
Resource Type	Article

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