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dtarb / TauDEM

Terrain Analysis Using Digital Elevation Models (TauDEM) software for hydrologic terrain analysis and channel network extraction.
http://hydrology.usu.edu/taudem
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Do I still need MPI dependencies if I am compiling and running TauDEM on my personal home PC ( Windows 10)? Possible to compile TauDEM with OpenMP? #176

Closed WindingWinter closed 6 years ago

WindingWinter commented 6 years ago

MPI dependencies are designed for clusters and supercomputers ( and see here), but what if I only have access to a personal home Windows 10 laptop? Isn't MPI an overkill? And most importantly, does it even work?

Is it possible to use OpenMP dependencies instead?

WindingWinter commented 6 years ago

I think I manage to get it to run with Microsoft MPI on my home PC Windows 10.

dtarb commented 6 years ago

I am glad you worked it out. MPI could be viewed as overkill for a PC, but maintaining a separate code base for shared memory (openMP) versus distributed memory (MPI) is a lot of work. MPI does work on a PC and the version used to compile the current version of TauDEM is linked on the website at https://www.microsoft.com/en-us/download/details.aspx?id=52981. There do appear to be newer versions available, and I would try one of these first. TauDEM does not to my knowledge do anything with MPI that would limit it working with new versions.