[R-SIG-Mac] Compiling BLAS with Accelerate

[Tomek Gieorgijewski]

>
> Seems you have not read the R-admin manual.
>

Guilty. Probably I was tired. I'll promise to read the friendly manual
first next time.


>
> 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.
>

It's interesting. I like to learn about software and CS history. I just
know that such possibility exists from few days,
and I've read it on r-project MacOSX FAQ :)


> 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.)


I'll try it as well, thanks for the tip. I'm aiming to compare different
BLAS implementations
on Linux and MacOS machines. However I'm currently only on x86-64
architectures.

T.

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