A hydraulic circuit architecture used with a drive circuit having a hydraulic pump that pumps hydraulic fluid through a work flow path to a load, the hydraulic circuit architecture comprising: a proportional flow control valve for controlling a hydraulic fluid flow rate supplied from the hydraulic pump to the load; characterized in that the hydraulic circuit architecture further comprises: an accumulator subsystem that includes a hydraulic fluid accumulator, a charge line for charging the hydraulic fluid accumulator, and a discharge line for discharging the hydraulic fluid accumulator, the charge line connecting to the work flow path at a location upstream from the proportional flow control valve and the discharge line connecting to the work flow path at a location downstream from the proportional flow control valve so that the hydraulic fluid accumulator is arranged in parallel with respect to the proportional flow control valve; and an electronic controller that opens the charge line and closes the discharge line such that the accumulator is charged when a flow demand of the load is less than a pump flow rate of the hydraulic pump, the electronic controller also closing the charge line and opening the discharge line such that the pump and the accumulator cooperate to satisfy the flow demand of the load when the flow demand of the load is greater than the flow rate of the pump. a proportional flow control valve for controlling a hydraulic fluid flow rate supplied from the hydraulic pump to the load; characterized in that the hydraulic circuit architecture further comprises: an accumulator subsystem that includes a hydraulic fluid accumulator, a charge line for charging the hydraulic fluid accumulator, and a discharge line for discharging the hydraulic fluid accumulator, the charge line connecting to the work flow path at a location upstream from the proportional flow control valve and the discharge line connecting to the work flow path at a location downstream from the proportional flow control valve so that the hydraulic fluid accumulator is arranged in parallel with respect to the proportional flow control valve; and an electronic controller that opens the charge line and closes the discharge line such that the accumulator is charged when a flow demand of the load is less than a pump flow rate of the hydraulic pump, the electronic controller also closing the charge line and opening the discharge line such that the pump and the accumulator cooperate to satisfy the flow demand of the load when the flow demand of the load is greater than the flow rate of the pump. an accumulator subsystem that includes a hydraulic fluid accumulator, a charge line for charging the hydraulic fluid accumulator, and a discharge line for discharging the hydraulic fluid accumulator, the charge line connecting to the work flow path at a location upstream from the proportional flow control valve and the discharge line connecting to the work flow path at a location downstream from the proportional flow control valve so that the hydraulic fluid accumulator is arranged in parallel with respect to the proportional flow control valve; and an electronic controller that opens the charge line and closes the discharge line such that the accumulator is charged when a flow demand of the load is less than a pump flow rate of the hydraulic pump, the electronic controller also closing the charge line and opening the discharge line such that the pump and the accumulator cooperate to satisfy the flow demand of the load when the flow demand of the load is greater than the flow rate of the pump.