Who prints is controlled by what communicator you pass it. If you want 1 person to print, use PETSC_COMM_WORLD.
Matt On Thu, Feb 9, 2017 at 8:28 PM, Sharp Stone <[email protected]> wrote: > Hi, > > I use "PetscPrintf" and "PetscFPrintf" to make outputs in my code. In > Linux, it works fine. But now I run the code in Cray cluster, I found every > process will make a output, which make me go crazy and confused. Any ideas? > > Thanks! > > -- > Best regards, > > Feng > -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener
