10/11/2023 0 Comments Hec ras levee optimization![]() “All Available” may not necessarily be the fastest. ![]() For smaller datasets, I suggest experimenting with this to optimize computation speed. Fortunately, HEC-RAS has an option to change the number of cores you wish to use in the Computation Options and Tolerances window (from the unsteady flow analysis window…Options…Calculation Options and Tolerances…2D Flow Options tab). ![]() The reason behind this is that there is a level of computing overhead used just to transfer data between cores. less than 10,000 cells or so), 8 cores may indeed run slower than 4 or 6 cores. In fact, it has been found that for smaller 2D areas (e.g.
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