Hello, I've just finished with gather and do some work for reduce. I'd like to have remarks from you about: 1. the MPI_Op decoding hack. 2. How to implement reduce with the operation MAXLOC and MINLOC Have fun /gp -- Discussion: How do you feel about Open Source firms making millions through public offerings? "I wish these companies were making the same millions without distributing any non-free, user-subjugating software." -- Richard Stallman "We're so forward that sometimes we reach ourself." -- g.p. "It is amazing how much you can achieve when you don't have to do the real work yourself." -- Joe Celko Gian Paolo Ciceri Via B.Diotti 45 - 20153 Milano MI ITALY CTO @ Louise mobile : ++39 347 4106213 : ++39 348 3658272 eMail : gp.ciceri@acm.org, gp.ciceri@computer.org : gp.ciceri@louise.it webSite: http://www.louise.it ICQ # : 94620118