returnn.forward_iface

Defines the interface for the “forward” task, which can be used for recognition, alignment, search, etc.

https://github.com/rwth-i6/returnn/issues/1336

class returnn.forward_iface.ForwardCallbackIface

Callback interface for the forward task.

Define forward_callback in your config to an instance or class of this.

https://github.com/rwth-i6/returnn/issues/1336

init(*, model)

Run at the beginning.

process_seq(*, seq_tag: str, outputs: TensorDict)

Called for each sequence, or entry in the dataset. This does not have the batch dim anymore. The values in outputs are Numpy arrays.

Parameters:

• seq_tag

• outputs

finish()

Run at the end.