static std::deque<s4u::VirtualMachine*> allVms_;
explicit VirtualMachineImpl(s4u::VirtualMachine* piface, s4u::Host* host, int core_amount, size_t ramsize);
static std::deque<s4u::VirtualMachine*> allVms_;
explicit VirtualMachineImpl(s4u::VirtualMachine* piface, s4u::Host* host, int core_amount, size_t ramsize);