If I’m not mistaken, dgemm is a BLAS call. That should be accessible from Fortran via an external call. I think the mvtnorm package calls BLAS/LAPACK from Fortran if that helps.
Avi On Mon, Nov 11, 2019 at 6:40 AM Rampal S. Etienne <rampaletie...@gmail.com> wrote: > Hello, > > I am using FORTRAN code with the deSolve package. However, the code > still runs slowly. Googling tells me that there are two options to speed > up my code: > > 1. Compile with option -O3 > > 2. Use the library dgemm. > > I understand that this can be set in makevars. However, as I have > limited experience with FORTRAN (never loaded libraries or set compiling > options), I was wondering whether anyone can give me a hint on how to > set this. I have just a single FORTRAN file (with multiple subroutines). > > Cheers, Rampal > > ______________________________________________ > R-package-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-package-devel > -- Sent from Gmail Mobile [[alternative HTML version deleted]] ______________________________________________ R-package-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-package-devel
