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Experience with a vectorized general circulation weather model on Star-100A version of an atmospheric general circulation model was vectorized to run on a CDC STAR 100. The numerical model was coded and run in two different vector languages, CDC and LRLTRAN. A factor of 10 speed improvement over an IBM 360/95 was realized. Efficient use of the STAR machine required some redesigning of algorithms and logic. This precludes the application of vectorizing compilers on the original scalar code to achieve the same results. Vector languages permit a more natural and efficient formulation for such numerical codes.
Document ID
19820014034
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Soll, D. B. (GTE Information Systems New York, NY, United States)
Habra, N. R. (GTE Information Systems New York, NY, United States)
Russell, G. L. (GTE Information Systems New York, NY, United States)
Date Acquired
September 4, 2013
Publication Date
January 1, 1977
Subject Category
Computer Operations And Hardware
Report/Patent Number
NAS 1.26:166785
NAS 1.26:186876
NASA-CR-186876
Meeting Information
Meeting: Symp. on High Speed Computer and Algorithm Organ., (HICOM)
Location: New York, NY
Country: United States
Start Date: April 13, 1977
End Date: April 15, 1977
Accession Number
82N21908
Funding Number(s)
CONTRACT_GRANT: NAS5-23546
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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