For what it's worth I eventually got it to build in a hacky way (had
to add -lopenblaslib manually). FWIW I *did* RTFM, several times, but
for whatever reason the standard recipes are not working for me ...
thanks!
Ben Bolker
On 3/18/21 7:52 AM, Dirk Eddelbuettel wrote:
On 18 March 2021 at 09:15, Tomas Kalibera wrote:
| This is documented in R Admin manual, section A.3, and there is also
| "configure --help".
|
| On my Ubuntu 20.04, using "--with-blas --with-lapack" when a BLAS/LAPACK
| implementation is installed via "apt" works for me:
|
| with libblas3, liblapack3 I get in R via sessionInfo()
|
| BLAS: /usr/lib/x86_64-linux-gnu/blas/libblas.so.3.9.0
| LAPACK: /usr/lib/x86_64-linux-gnu/lapack/liblapack.so.3.9.0
|
| then I install libopenblas0 and get, after re-starting R (not rebuilding):
|
| BLAS: /usr/lib/x86_64-linux-gnu/openblas-pthread/libblas.so.3
| LAPACK: /usr/lib/x86_64-linux-gnu/openblas-pthread/liblapack.so.3
Yes, thank you, that is exactly what I use and recommend too. And ...
On 18 March 2021 at 09:34, Tomas Kalibera wrote:
| and to install say MKL, this works for me:
|
| apt-get install intel-mkl-full
|
| and then:
|
| env MKL_INTERFACE_LAYER=GNU,LP64 MKL_THREADING_LAYER=GNU R
|
| gives me:
|
| BLAS/LAPACK: /usr/lib/x86_64-linux-gnu/libmkl_rt.so
|
| This is following documentation in A.3.1.3 of R Admin manual.
... which is what the (surprisingly popular, 139 stars) simple two-year old
script at GitHub has been automated.
https://github.com/eddelbuettel/mkl4deb
I may need to update the recommendation for the two MKL_* variables.
Dirk
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