------- Comment #3 from ubizjak at gmail dot com 2009-07-15 17:58 ------- (In reply to comment #1)
> if I call the functions(sin,cos,tan) from intel's libimf.so, then > gfortran 1.f90 -limf > 4.31716608E+09 > > real 6m39.177s > user 6m38.289s > sys 0m0.512s This is probably library issue. You can try to benchmark with "-O3 -mfpmath=sse,387 -ffast-math" (Alternatively, you can link svml vector library with "-O3 -mveclibabi=svml -ffast-math", although IIRC, vectorized sincos is not yet supported. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40766
