reproducible original after using mcellran4
setuptime=282.2
runtime=397.53

setuptime=283.25
runtime=393.73
real    11m22.686s
user    10m46.208s
sys     0m0.763s

after upgrading
setuptime=296.64
runtime=398.06

setuptime=292.35
runtime=399.24
real    11m38.260s
user    10m58.870s
sys     0m0.904s


after transforming. (also upgraded gcc)

1 host (NeuronDev)
setuptime=7.6000001
runtime=411.04

 time mpirun -nolocal -machinefile $HOME/mpi64 -np 12 $HOME/neuron/mpi-gcc3.2.3/x86_64/bin
nrniv init.hoc >& out12
setuptime=0.12999988
runtime=28.56
real    0m31.648s
user    0m0.389s
sys     0m0.324s

time mpirun -nolocal -machinefile $HOME/mpi64 -np 1 $HOME/neuron/mpi-gcc3.2.3/x86_64/bin
nrniv init.hoc >& out1
setuptime=0.25
runtime=330.85
real    5m33.093s
user    0m0.256s
sys     0m0.086s


time mpirun -nolocal -machinefile $HOME/mpi32 -np 24 $HOME/neuron/mpi-gcc2.96/i686/bin
nrniv init.hoc >& out24
setuptime=0.27999997
runtime=30.42
real    5m14.682s
user    0m0.471s
sys     0m0.650s

 time mpirun -nolocal -machinefile $HOME/mpi32 -np 1 $HOME/neuron/mpi-gcc2.96/i686/bin
nrniv init.hoc >& out1.i686
setuptime=0.46000004
runtime=607.08
real    10m9.389s
user    0m0.287s
sys     0m0.137s