------- Comment #4 from ubizjak at gmail dot com 2007-07-04 12:32 ------- (In reply to comment #1) > gfortran -ffast-math -funroll-loops -O3 -msse3 -mfpmath=387 rnflow.f90 > > time ./a.out > user 0m37.982s
> gfortran -ffast-math -funroll-loops -O3 -msse3 -mfpmath=387 -ftree-vectorize > rnflow.f90 > > time ./a.out > user 0m55.031s This is on XEON as in Comment #3. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31897