文件名称:
Design Exploration of Emerging Nano-scale Non-volatile Memory
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文件大小: 8mb
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上传时间: 2018-12-20
详细说明： The analysis of big data at exascale (1018 bytes or flops) has introduced the emerging need to reexamine the existing hardware platform that can support intensive dataoriented computing. A big-data-driven application requires huge bandwidth with maintained low-power density. For example, web-searching application involves crawling, comparing, ranking, and paging of billions of web pages with extensive memory access. At the same time, the analysis of such a huge data at exascale is a national interest due to cybersecurity need. O ne needs to provide scalable bigdata storage and processing solution that can detect malicious attack from the sea of data, which is beyond the capability of a pure software-based data analytic solution. The key bottleneck is from the current data storage and processing hardware, which has not only the well-known memory wall and power wall with limited accessing bandwidth but also large leakage power at advanced CMOS technology nodes. One needs to design an energy-efficient hardware platform for future big-data storage that can also support data-intensive processing for data recognition in both image and security applications. Memory is any physical device that is able to temporarily or permanently hold the state of information. Memories can be generally classified into two categories: volatile and nonvolatile. Static and dynamic random-access memories (SRAM and DRAM) are examples of volatile memories that can be accessed in nanosecond of speed, but the stored data will be lost when powered off. The flash and hard disk drive (HDD) are examples of nonvolatile memories. Imagine the life where one can start a computer in the blink of an eye, without having to wait for the operation system to load, or transfer full-length high-definition movie by memory stick in seconds rather than hours. Such a life would happen if a universal nonvolatile memory could be developed that not only can retain information without external power but also can be accessed in high speed. In general, the following criteria examine the new memory technologies: (1) Scalability for high-density integration (2) Low energy consumption for mobile access (3) High endurance capable of 1012 writing/erasing cycles ...展开详情收缩
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