Abstract: A method for simulating a first computing unit in a second computing unit, wherein software executed in the first computing unit to be simulated is executed in the second computing unit. The method includes determining, by a scheduling module in the second computing unit, a time schedule according to which processes of the software are processed in the first computing unit to be simulated; executing, by at least one simulation module in the second computing unit, the software for simulating the first computing unit, wherein the at least one simulation module performs a predetermined action at a respective predetermined action time point based on the time schedule, in order to obtain an action result; determining, based on the action result, an action time point of a future, in particular next, action; and using the determined action time point for the time schedule.