Runtime-switchable BLAS/LAPACK backends via libblastrampoline
2021-07-29, 19:50–20:00 (UTC), Blue

Julia has historically been built against a single backing BLAS/LAPACK library, and switching to a different library has required a recompilation of Julia. This was compounded by issues with loading 3rd party binaries that linked against incompatible BLAS backends. This talk will showcase a new low-overhead compatibility layer in Julia v1.7 named libblastrampoline that allows for runtime switching of BLAS/LAPACK libraries, as well as allowing loading of multiple BLAS/LAPACK ABIs at once.

Research Software Developer at UCL during the day, binary builder during the night.

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