On Tue, Aug 10, 2010 at 6:51 PM, Ralf W. Grosse-Kunstleve <r...@yahoo.com> wrote: > I wrote a Fortran to C++ conversion program that I used to convert selected > LAPACK sources. Comparing runtimes with different compilers I get: > > absolute relative > ifort 11.1.072 1.790s 1.00 > gfortran 4.4.4 2.470s 1.38 > g++ 4.4.4 2.922s 1.63
I wonder if adding __restrict to some of the arguments of the functions will help. Fortran aliasing is so different from C aliasing. -- Pinski