On 29/11/2024 13:10, Tomek Gieorgijewski wrote:
Hi!

I can compile R on macOS with standard BLAS
but how can I compile R myself to get this vecLib BLAS
which is added in binary distribution for Mac on CRAN?

Seems you have not read the R-admin manual.

The terms 'vecLib' (originally for PPC Macs) and 'Accelerate' are confusing: recent SDKs contain two different BLAS/LAPACK implementations under the name 'Accelerate', but neither are recent LAPACK nor pass checks cleanly.

If I wanted an enhanced BLAS on macOS I would use OpenBLAS, which in my tests on an M1 Pro was faster than even 'new' Accelerate and 'make check-all' passed cleanly. (Follow OpenBLAS's instructions to build/install it, R-admin's instructions to build R against.)

--
Brian D. Ripley,                  rip...@stats.ox.ac.uk
Emeritus Professor of Applied Statistics, University of Oxford

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