[Rd] OpenBLAS in everyday R?

Keith O'Hara keith.ohara at nyu.edu
Wed Jan 10 16:22:50 CET 2018

I won’t play nicely with a package that combines omp pragmas with calls to BLAS routines, e.g. something you might get with source Armadillo/Eigen/Blaze code, for reasons that Benjamin mentioned in his initial email (pthreads vs omp).


> On Jan 10, 2018, at 1:28 AM, Avraham Adler <avraham.adler at gmail.com> wrote:
> On Wed, Jan 10, 2018 at 12:04 AM, Keith O'Hara <keith.ohara at nyu.edu> wrote:
>> Check if libopenblas is linked against libomp or libgomp.
>> I’d be curious to see any errors that arise when an OpenMP version of OpenBLAS is linked with R.
>> Keith
> The one time I tried compiling OpenBLAS for Windows 64 with USE OMP =
> 1, I got an error. I don't recall if it was in the compilation of R or
> in use. Regardless, I compile OpenBLAS without setting that flag and
> it still plays nicely with all R packages, including those that use
> OpenMP.
> Avi

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