STACKED MEMORY DEVICE WITH METADATA MANAGEMENT

摘要

A processing system (100) comprises one or more processor devices (104) and other system components coupled to a stacked memory device (102) having a set of stacked memory layers (120) and a set of one or more logic layers (122). The set of logic layers implements a metadata manager (134) that offloads metadata management from the other system components. The set of logic layers also includes a memory interface (130) coupled to memory cell circuitry (126) implemented in the set of stacked memory layers and coupleable to the devices external to the stacked memory device. The memory interface operates to perform memory accesses for the external devices and for the metadata manager. By virtue of the metadata manager s tight integration with the stacked memory layers the metadata manager may perform certain memory intensive metadata management operations more efficiently than could be performed by the external devices.