On Sat, 13 Dec 2008 17:17:31 +0100 Mattias Gaertner <nc-gaertnma at netcologne.de> wrote: > Thanks for all the hints. > > At the moment I have the attached function. > It returns only 4 on a 2 x quad core Mac. > Maybe someone can test under windows? The function returns 2 on my Pentium 4 (Win XP) Howard Page-Clark