Tim, > Do you expect your gfortran to interchange the loops? Does it do it? > Was this excerpt designed to prevent your current platform, whatever it > may be, suffer in comparison with some other? You're giving me way too much credit. :) I was just trying to figure out OpenMP wasn't giving me any speedup over the serial version, but in fact it was. Re: your question, I exchanged the loops manually and got much better performance, so I'm guessing gfortran didn't exchange them. Anand
