Pythia8::SuppressMPI Node1 Pythia8::SuppressMPI - m_pTCut - m_nMPIVeto + SuppressMPI() + ~SuppressMPI() + doVetoMPIStep() + canVetoMPIStep() + numberVetoMPIStep() + canVetoISREmission() + canVetoFSREmission() Node2 UserHooks Node2->Node1