interface = CommInterface()
target_group = MPIProcessorGroup(interface, procs_target)
source_group = MPIProcessorGroup(interface, procs_source)
dec = InterpKernelDEC(source_group, target_group)
interface = CommInterface()
target_group = MPIProcessorGroup(interface, procs_target)
source_group = MPIProcessorGroup(interface, procs_source)
dec = InterpKernelDEC(source_group, target_group)