tion if models are reused outside the context of the pipeline after hooks have been installed. See Removing Hooks for more information. enable_model_cpu_offload() is a stateful operation that installs hooks on the models and state on the pipeline.  Channels-last memory format The channels-last memory format is an alternative way of ordering NCHW tensors in memory to preserve dimension ordering. Channels-last tensors are ordered in such a way th