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Use the sparsity pattern of StencilMatrix #247

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saidctb opened this issue Oct 17, 2022 · 1 comment
Open

Use the sparsity pattern of StencilMatrix #247

saidctb opened this issue Oct 17, 2022 · 1 comment
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enhancement New feature or request linalg Linear algebra performance Make the code run faster PETSc

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@saidctb
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saidctb commented Oct 17, 2022 •
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the Matrix conversion method topetsc that converts a Psydac Matrix object to PETSc Mat does not use the sparsity pattern of the Stencil format, we should implement it using LGMap to accelerate the conversion method and improve the performance of the PETSc object.
This will automatically improve the conversion method petsc_to_psydac without to need to gather all the elements in one process.
@saidctb saidctb added enhancement New feature or request linalg Linear algebra performance Make the code run faster PETSc labels Oct 17, 2022
@yguclu yguclu mentioned this issue Mar 22, 2024
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yguclu commented Mar 22, 2024

Duplicate of #389? The proposed solution is different though.

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enhancement New feature or request linalg Linear algebra performance Make the code run faster PETSc
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