NDLI: OPAMP: Evaluation Framework for Optimal Page Allocation of Hybrid Main Memory Architecture

Content Provider	IEEE Xplore Digital Library
Author	Jong-Hun Choi Seong-Min Kim Chulmin Kim Ki-Woomg Park Kyu Ho Park
Copyright Year	2012
Abstract	Main memory as a hybrid between DRAM and nonvolatile memory is rapidly considered as a basic building block of computing systems. Despite widely-performed researches no one can confirm whether hybrid memory is at its full performance in terms of energy consumption, time delay or both. The main problem is that evaluating their performance in comparison with the optimal performance is challenging since deriving the optimal value is NP-complete. In this paper, we design and implement an evaluation framework termed OPAMP, which calculates optimal performance of the hybrid memory environment. This system gathers workload, specification of DRAM and PRAM, and environmental parameters of the hybrid main memory. After that, it calculates the maximum performance under the corresponding conditions. We suggest the way of deriving the optimal value by profiling instead of page migration which is the mainstream of recent researches on hybrid main memory system. Also, proportion of DRAM's size to PRAM's and proportion of DRAM's usage space to PRAM's are impactive factors. While designing hybrid main memory, those two variables must be determined carefully and OPAMP gives the guideline to the researchers.
Starting Page	620
Ending Page	627
File Size	560933
Page Count	8
File Format	PDF
ISBN	9781467345651
ISSN	15219097
e-ISBN	9780769549033
DOI	10.1109/ICPADS.2012.89
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-12-17
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Phase change random access memory Resource management Energy consumption Memory management Equations Mathematical model PRAM Energy Efficiency
Content Type	Text
Resource Type	Article
Subject	Hardware and Architecture

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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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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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