Ryan, > But atlas also uses fortran, right? Is it more important for atlas to have > better performance by compiling with clang, or to use fortran by compiling > with gcc?
Atlas uses Fortran only to build the BLAS/Lapack fortran API. The Fortran compiler performance is irrelevant to the whole performance, and Atlas can also be built without Fortran (but, of course, you only get the C API). The new Portfile clamps the optimization flag of gfortran to -sse4.2 in order to avoid AVX instruction generation by gfortran47 or above. Vincent _______________________________________________ macports-dev mailing list [email protected] https://lists.macosforge.org/mailman/listinfo/macports-dev
