nonblocking3 4 mpiversion=3.0
nonblocking3 5 mpiversion=3.0
nonblocking3 10 timeLimit=600 mpiversion=3.0
-iallred 2 mpiversion=3.0
+iallred 2
# ibarrier will hang forever if it fails, but will complete quickly if it
# succeeds
ibarrier 2 timeLimit=30