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Nodal Solver: Use multi-color Gauss-Seidel on GPU #4043

Merged
merged 2 commits into from
Jul 23, 2024
Merged

Nodal Solver: Use multi-color Gauss-Seidel on GPU #4043

merged 2 commits into from
Jul 23, 2024

Commits on Jul 21, 2024

  1. Nodal Solver: Use multi-color Gauss-Seidel on GPU 

    Because the nodal solver's Gauss-Seidel smoother is not thread safe on GPU,
we have been using Jacobi. But recently an amr-wind test shows that the
Jacobi smoother is not stable for some hard problems. Using a multi-color (4
in 2d and 8 in 3d) Gauss-Seidel smoother appears to work well.
    @WeiqunZhang
    WeiqunZhang committed Jul 21, 2024
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  2. Reorganization

    @WeiqunZhang
    WeiqunZhang committed Jul 21, 2024
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