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Custom MPI communicator setup#270

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dreamer2368 wants to merge 14 commits intomasterLLNL/libROM:masterfrom mpi-commLLNL/libROM:mpi-commCopy head branch name to clipboard

+306-140

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Commits on Jan 17, 2024

• BasisWriter::writeBasis create/open a file and closes the file at the end.

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• stylization.

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• HDFDatabase::putIntegerArray - overwrites if the dataset exists.

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Commits on Feb 9, 2024

• enforce single time interval in Options.

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• HDFDatabase::putIntegerArray does not allow overwrite.

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• BasisWriter::writeBasis always create the file, which will overwrite the exisiting file.

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• add a header and stylization.

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• remove increase time interval test, as time interval is fixed to 1.

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Commits on Feb 11, 2024

• StaticSVD::ComputeSVD - copies the sample snapshot matrix for SVD operation and deletes it after SVD.

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Commits on Feb 13, 2024

• add communicator for Vector.

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• stylization.

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Commits on Feb 14, 2024

• enforce all operations are executed within the same MPI communicator.

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• communicator cannot be changed once initialized. So MPI scope of Vector never changes.

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• mpi communicator for matrix. if scalapack routines are used, communicator is enforced to be MPI_COMM_WORLD.

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