Hi, on my P100 system running NT 4.0 I got 262 seconds (-ffast-math) 660 seconds (without -ffast-math) I compiled the test program using the mingw32 package (that means I used the sin()/cos() functions of crtdll.dll). -- Gunther Ebert iXOS Anwendungs-Software GmbH Angerstrasse 40-42 D-04177 Leipzig Phone : +49 341 48503-0 Fax : +49 341 48503-99 E-mail: mailto:gunther.ebert@ixos-leipzig.de www : http://www.ixos-leipzig.de - For help on using this list (especially unsubscribing), send a message to "gnu-win32-request@cygnus.com" with one line of text: "help".