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|All Authors / Contributors:||
Jacek Myczkowski; Guy Steele
|Description:||17 pages : illustrations ; 28 cm.|
|Series Title:||Technical report series (Thinking Machines Corporation), TMC- 198.|
|Responsibility:||J. Myczkowski, G. Steele.|
In this paper the acoustic wave equation with sponge boundary conditions will be used as an example to show how to map and optimize an explicit finite difference algorithm onto a massively parallel machine. This algorithm is part of a seismic modeling code developed by Mobil Research and Thinking Machines to run on a CM-2 Connection Machine. This program achieved a sustained performance of 14.1 billion numerical operations per second (14.1 Gigaflops) including I/O on a 65536 processor CM-2 supercomputer. In recognition of this performance, this work was awarded the 1989 Gordon Bell Prize [1,2] in the performance category and received an Honorable Mention in the 1990 competition .
This yearly prize is given by the editors of the IEEE Software Magazine in recognition of 'outstanding achievements in the application of parallel processing to scientific and engineering problems' with the winning entry 'running faster than any other comparable engineering or scientific application'."