Is there a way to have Stan use Apple’s versions of BLAS / LAPACK in its accelerate framework on their Apple silicon machines? Using BLAS/LAPACK from Eigen discussing using Apple Accelerate on the backend, and Eigen: AccelerateSupport module seem useful. I tried using macports to install lapacke …

Thanks for pulling together these links and giving this a try, @ssp3nc3r . Did you ever get any further with this? I’m about to try it myself and haven’t found any other resources.

No, I had other things come up and haven’t got back to it yet. Will be interested in anyone making progress though.

You were close. This works for me: STAN_THREADS=TRUE STAN_NO_RANGE_CHECKS=TRUE LDLIBS = -lblas -llapack -llapacke CXXFLAGS += -mcpu=native -DEIGEN_USE_BLAS -DEIGEN_USE_LAPACKE LDFLAGS += -framework Accelerate -L/opt/homebrew/opt/lapack/lib CXXFLAGS_OPTIM=-mcpu=native CXXFLAGS_OPTIM_TBB=-mcpu=native…

Stan compile with Apple Accelerate BLAS / LAPACK?

General

scholz July 21, 2023, 7:41am 2

Aki has written some about this for linux, maybe there is some useful things to take from the thread: Speedup by using external BLAS/LAPACK with CmdStan and CmdStanR/Py

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Stan compile with Apple Accelerate BLAS / LAPACK?

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