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A Design and Analysis Perspective on Architecting Memory Using Domain-Wall Memory

With recent trend of Internet of Things (IoT), the gigantic connectivity of billions of devices would generate a tremendous amount of data. Consequently, a massive number of memories are used for retaining data and the processing result. Recently, memory has become a major contributor to the power consumption, which has brought a constraint in the development main memory design for typical applications such as big-data and IoT. A high requirement for high energy efficiency and high capacity should be met in the IoT development. An emerging non-volatile memory (NVM) technology, Domain-wall memory (DWM), have been proposed as a promising candidate in the replacement of conventional memory owing to its non-volatility and ultra-high density. In this paper, we survey the architectural techniques for using DWM in designing of CPU, GPU and application-specific processors. We also briefly summarize the common experimental platforms in architecting of DWM.