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Indirect addressing and load balancing for faster solution to Mandelbrot Set on SIMD architecturesSIMD computers with local indirect addressing allow programs to have queues and buffers, making certain kinds of problems much more efficient. Examined here are a class of problems characterized by computations on data points where the computation is identical, but the convergence rate is data dependent. Normally, in this situation, the algorithm time is governed by the maximum number of iterations required by each point. Using indirect addressing allows a processor to proceed to the next data point when it is done, reducing the overall number of iterations required to approach the mean convergence rate when a sufficiently large problem set is solved. Load balancing techniques can be applied for additional performance improvement. Simulations of this technique applied to solving Mandelbrot Sets indicate significant performance gains.
Document ID
19890018019
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Tomboulian, Sherryl
(MasPar Computer Corp. Santa Clara, CA., United States)
Date Acquired
September 6, 2013
Publication Date
May 1, 1989
Subject Category
Computer Programming And Software
Report/Patent Number
NASA-CR-181847
ICASE-89-33
NAS 1.26:181847
Report Number: NASA-CR-181847
Report Number: ICASE-89-33
Report Number: NAS 1.26:181847
Accession Number
89N27390
Funding Number(s)
CONTRACT_GRANT: NAS1-18605
PROJECT: RTOP 505-90-21-01
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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