TraceBackwardRehearsalInfo#

class cuquantum.pauliprop.experimental.TraceBackwardRehearsalInfo( device_scratch_workspace_required: int, host_scratch_workspace_required: int, cotangent_num_terms: int, )[source]#

Rehearsal information for backward differentiation of a trace operation.

Includes the required number of terms for the cotangent expansion output(s).