Energy and performance optimization of demand paging with OneNAND flash

Yongsoo Joo; Yongseok Choi; Jaehyun Park; Chanik Park; Sung Woo Chung; Eui Young Chung; Naehyuck Chang

doi:10.1109/TCAD.2008.2006081

Energy and performance optimization of demand paging with OneNAND flash

Yongsoo Joo, Yongseok Choi, Jaehyun Park, Chanik Park, Sung Woo Chung, Eui Young Chung, Naehyuck Chang

Department of Computer Science and Engineering

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

New fusion memory devices consisting of multiple heterogeneous memory components in a single die or package offer efficient ways to optimize embedded systems in terms of energy, performance, and cost. Samsung Electronics recently announced the OneNAND fusion memory, in which a NAND flash array is integrated with dual SRAM buffers to provide a NOR-type I/O interface. OneNAND has the low cost and large capacity of a NAND flash but also permits eXecution-in-Place (XIP) like a NOR flash. The deployment of such devices requires careful system-level resource management because of their impact on energy consumption and performance, and existing memory optimization techniques, such as the demand paging used with NAND flash, may no longer be appropriate for systems with a fusion memory. We introduce a new online demand paging scheme that fully exploits the XIP capability of OneNAND flash by classifying pages as load preferred (residing in the on-chip SRAM) and XIP preferred (accessed directly from the OneNAND flash and discarded after use). This achieves, on average, a 26 % reduction in energy consumption and a 19% increase in performance, compared with conventional NAND flash demand paging.

Original language	English
Article number	4655557
Pages (from-to)	1969-1982
Number of pages	14
Journal	IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
Volume	27
Issue number	11
DOIs	https://doi.org/10.1109/TCAD.2008.2006081
Publication status	Published - 2008 Nov

Bibliographical note

Funding Information:
Manuscript received December 24, 2007; revised April 8, 2008. Current version published October 22, 2008. This work was supported by Samsung Electronics. An earlier version of this paper was presented at the International Conference on Hardware/Software Codesign and System Synthesis 2006 [1]. This paper was recommended by Associate Editor M. Poncino.

Keywords

Demand paging
Flash memory
OneNAND
Page allocation
Page replacement
eXecute-In-Place (XIP)

ASJC Scopus subject areas

Software
Computer Graphics and Computer-Aided Design
Electrical and Electronic Engineering

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1109/TCAD.2008.2006081

Cite this

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title = "Energy and performance optimization of demand paging with OneNAND flash",

abstract = "New fusion memory devices consisting of multiple heterogeneous memory components in a single die or package offer efficient ways to optimize embedded systems in terms of energy, performance, and cost. Samsung Electronics recently announced the OneNAND fusion memory, in which a NAND flash array is integrated with dual SRAM buffers to provide a NOR-type I/O interface. OneNAND has the low cost and large capacity of a NAND flash but also permits eXecution-in-Place (XIP) like a NOR flash. The deployment of such devices requires careful system-level resource management because of their impact on energy consumption and performance, and existing memory optimization techniques, such as the demand paging used with NAND flash, may no longer be appropriate for systems with a fusion memory. We introduce a new online demand paging scheme that fully exploits the XIP capability of OneNAND flash by classifying pages as load preferred (residing in the on-chip SRAM) and XIP preferred (accessed directly from the OneNAND flash and discarded after use). This achieves, on average, a 26 % reduction in energy consumption and a 19% increase in performance, compared with conventional NAND flash demand paging.",

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Energy and performance optimization of demand paging with OneNAND flash

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

UN SDGs

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