Washcloth Simulation of Three Dimensional Weather Forecasting Codes
Washcloth Simulation of Three Dimensional Weather Forecasting Codes
David G Korn
The book Washcloth Simulation of Three Dimensional Weather Forecasting Codes was written by author David G Korn Here you can read free online of Washcloth Simulation of Three Dimensional Weather Forecasting Codes book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Washcloth Simulation of Three Dimensional Weather Forecasting Codes a good or bad book?
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Parallel version of the code, banding was replaced by two DOUAIT loops. The first loop computed and stored all the temporary values at all the grid points. The second performed the updates. The smoothing portions were also parallelized. In this case, the smoothing for each latitude and each layer were done simultaneously. The amount of computation varies with latitude but this is not a problem since no assumption is made that each sub-task be of the same size. Since the number of layers is smal...l, the degree of parallelism is less here than other parts of the program. For Fourier filtering, several PE ' s could have been assigned to each of these sub-tasks [ 1 ] . This was not done because the filtering represented a relatively small portion of the computing time and limitations of the WASHCLOTH emulator made - 9 - PARALLELIZING THE CODE Page l»-U nested DOUAIT's rather difficult - 10 - CHAPTER 5 RESULTS Because of the small meraory size of the CDC-6600, it was not possible to simulate realistic ^rid sizes.
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