val pipe_length : Base.intval create :
Hardcaml.Scope.t ->
Hardcaml.Signal.t Hardcaml.Interface.Create_fn(I)(O).tval hierarchy :
Hardcaml.Scope.t ->
Hardcaml.Signal.t Hardcaml.Interface.Create_fn(I)(O).tval initial_pipeline_factors : Base.int -> Hardcaml.Signal.t Base.list