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OMP in EFDC+ has been implemented in such a way as to ensure that the models produce exactly the same results no matter how many threads are used. To check this a model can be run with different sub-models activated. This model is run with a range of threads from 1 (referred to as "OMP1") to 16 threads (OMP16). Using the Model Comparison feature the model results can be compared. Using the Model Comparison to subtract the 2D results from one model from a base model for the same time snapshot produces a 2D view of the differences between models. For the OMP comparisons, the differences should be equal to 0.0.
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