OpenGeoSys supports shared memory parallelization (multi threading) to some extent: by default OpenGeoSys is built with OpenMP support and OpenMP-enabled linear solvers will automatically make use of it.
The number of threads a linear solver uses can be controlled with the
environment variable
OMP_NUM_THREADS
.
Note:
OGS_EIGEN_PARALLEL_BACKEND
.In addition, the assembly of some processes in OGS can be run
OpenMP-parallelized when setting the environment variable OGS_ASM_THREADS
to
the number of threads to be used. At the moment (2024-09-09) that’s supported by
the HydroMechanics
, TH2M
, ThermoRichardsMechanics
, and
ThermoRichardsFlow
processes.
This article was written by Christoph Lehmann. If you are missing something or you find an error please let us know.
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Last revision: September 10, 2024
Commit: [doc] Added documentation for OpenMP and debug output 7a28d7f
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