Hopper at NERSC does configure with '--with-mpiexec=aprun' (but Edison does). I do not see a mpiexec.aprun anymore in PETSc. Is there an easy fix for this? Mark -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20150729/fd78f797/attachment.html>