Cache revive: Architecting volatile STT-RAM caches for enhanced performance in CMPs

Adwait Jog; Asit K. Mishra; Cong Xu; Yuan Xie; Vijaykrishnan Narayanan; Ravishankar Iyer; Chita R. Das

doi:10.1145/2228360.2228406

Cache revive: Architecting volatile STT-RAM caches for enhanced performance in CMPs

Adwait Jog, Asit K. Mishra, Cong Xu, Yuan Xie, Vijaykrishnan Narayanan, Ravishankar Iyer, Chita R. Das

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

175 Scopus citations

Abstract

High density, low leakage and non-volatility are the attractive features of Spin-Transfer-Torque-RAM (STT-RAM), which has made it a strong competitor against SRAM as a universal memory replacement in multi-core systems. However, STT-RAM suffers from high write latency and energy which has impeded its widespread adoption. To this end, we look at trading-off STT-RAM's non-volatility property (data-retention-time) to overcome these problems. We formulate the relationship between retention-time and write-latency, and find optimal retention-time for architecting an efficient cache hierarchy using STT-RAM. Our results show that, compared to SRAM-based design, our proposal can improve performance and energy consumption by 18% and 60%, respectively.

Original language	English (US)
Title of host publication	Proceedings of the 49th Annual Design Automation Conference, DAC '12
Pages	243-252
Number of pages	10
DOIs	https://doi.org/10.1145/2228360.2228406
State	Published - Jul 11 2012
Event	49th Annual Design Automation Conference, DAC '12 - San Francisco, CA, United States Duration: Jun 3 2012 → Jun 7 2012

Publication series

Name	Proceedings - Design Automation Conference
ISSN (Print)	0738-100X

Other

Other	49th Annual Design Automation Conference, DAC '12
Country/Territory	United States
City	San Francisco, CA
Period	6/3/12 → 6/7/12

All Science Journal Classification (ASJC) codes

Computer Science Applications
Control and Systems Engineering
Electrical and Electronic Engineering
Modeling and Simulation

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10.1145/2228360.2228406

Cite this

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title = "Cache revive: Architecting volatile STT-RAM caches for enhanced performance in CMPs",

abstract = "High density, low leakage and non-volatility are the attractive features of Spin-Transfer-Torque-RAM (STT-RAM), which has made it a strong competitor against SRAM as a universal memory replacement in multi-core systems. However, STT-RAM suffers from high write latency and energy which has impeded its widespread adoption. To this end, we look at trading-off STT-RAM's non-volatility property (data-retention-time) to overcome these problems. We formulate the relationship between retention-time and write-latency, and find optimal retention-time for architecting an efficient cache hierarchy using STT-RAM. Our results show that, compared to SRAM-based design, our proposal can improve performance and energy consumption by 18% and 60%, respectively.",

author = "Adwait Jog and Mishra, {Asit K.} and Cong Xu and Yuan Xie and Vijaykrishnan Narayanan and Ravishankar Iyer and Das, {Chita R.}",

year = "2012",

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doi = "10.1145/2228360.2228406",

language = "English (US)",

isbn = "9781450311991",

series = "Proceedings - Design Automation Conference",

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note = "49th Annual Design Automation Conference, DAC '12 ; Conference date: 03-06-2012 Through 07-06-2012",

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Jog, A, Mishra, AK, Xu, C, Xie, Y, Narayanan, V, Iyer, R & Das, CR 2012, Cache revive: Architecting volatile STT-RAM caches for enhanced performance in CMPs. in Proceedings of the 49th Annual Design Automation Conference, DAC '12. Proceedings - Design Automation Conference, pp. 243-252, 49th Annual Design Automation Conference, DAC '12, San Francisco, CA, United States, 6/3/12. https://doi.org/10.1145/2228360.2228406

Cache revive : Architecting volatile STT-RAM caches for enhanced performance in CMPs. / Jog, Adwait; Mishra, Asit K.; Xu, Cong; Xie, Yuan; Narayanan, Vijaykrishnan; Iyer, Ravishankar; Das, Chita R.

Proceedings of the 49th Annual Design Automation Conference, DAC '12. 2012. p. 243-252 (Proceedings - Design Automation Conference).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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AU - Iyer, Ravishankar

AU - Das, Chita R.

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AB - High density, low leakage and non-volatility are the attractive features of Spin-Transfer-Torque-RAM (STT-RAM), which has made it a strong competitor against SRAM as a universal memory replacement in multi-core systems. However, STT-RAM suffers from high write latency and energy which has impeded its widespread adoption. To this end, we look at trading-off STT-RAM's non-volatility property (data-retention-time) to overcome these problems. We formulate the relationship between retention-time and write-latency, and find optimal retention-time for architecting an efficient cache hierarchy using STT-RAM. Our results show that, compared to SRAM-based design, our proposal can improve performance and energy consumption by 18% and 60%, respectively.

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Cache revive: Architecting volatile STT-RAM caches for enhanced performance in CMPs

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