libopenblas-base - 0.3.5+ds-3 main

OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version.
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Unlike Atlas, OpenBLAS provides a multiple architecture library.
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All kernel will be included in the library and dynamically switched to
the best architecture at run time (only on amd64, arm64 and i386).
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For more information on how to rebuild locally OpenBLAS, see the section:
"Building Optimized OpenBLAS Packages on your ARCH" in README.Debian