ProductTraceBackwardRehearsalInfo#

class cuquantum.pauliprop.experimental.ProductTraceBackwardRehearsalInfo( device_scratch_workspace_required: int, host_scratch_workspace_required: int, cotangent_num_terms1: int, cotangent_num_terms2: int, )[source]#

Rehearsal information for backward differentiation of a product trace operation.

Includes the required number of terms for both cotangent expansion outputs.