NDLI: Design and implementation of flash based NVDIMM

Content Provider	IEEE Xplore Digital Library
Author	Huang, H.F. Tao Jiang
Copyright Year	2014
Description	Author affiliation: Windawn Technol., WuXi, China (Huang, H.F.; Tao Jiang)
Abstract	Flash based NVDIMM memory is a practical nonvolatile memory technology that can be used to replace DRAM based computer main memory. It is cost effective and readily available than other types of emerging non-volatile memories. NVDIMM memory can be inserted into off-the-shelf computer boards and requires very minimum system modifications. It fits as an ideal transitional memory technology towards the generic storage class memory (SCM) technology in the future. In this paper, we describe the design of Flash based NVDIMM module and its controller architecture. The module layout, design trade offs and implementing results are discussed. Flash based NVDIMM use commodity DRAM memory during normal operations, it backups data from DRAM to Flash during power surge event. NVDIMM requires ultra-capacitors to provide energy during power transitions. The size of ultra-capacitor required for this task is dependent on the module's power consumption as well as data backup speed. We implemented NVDIMM controller design in FPGA. The module can backup 4 gigabyte data in 13 seconds. We also created two types of non-volatile RAMDISK by configuring the NVDIMM controller with DIMM or PCI-E as main interface. Test measurements shown their IOPS performance are much higher than that of hard disk drive.
Starting Page	1
Ending Page	6
File Size	5646639
Page Count	6
File Format	PDF
ISBN	9781479955763
DOI	10.1109/NVMSA.2014.6927194
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-08-20
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Nonvolatile memory Random access memory Transportation Bandwidth Control systems Data transfer Flash memories
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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