PassThroughProfiler class pytorch_lightning.profilers.PassThroughProfiler(dirpath=None, filename=None)[source] Bases: pytorch_lightning.profilers.profiler.Profiler This class should be used when you don’t want the (small) overhead of profiling. The Trainer uses this class by default. start(action_name)[source] Defines how to start recording an action. Return type: None stop(action_name)[source] Defines how to record the duration once an action is complete. Return type: None