Spinsim: A computer architecture-level variation aware STT-MRAM performance evaluation framework

  • Haoyuan Ma
  • , You Wang*
  • , Rashid Ali
  • , Zhengyi Hou
  • , Deming Zhang
  • , Erya Deng
  • , Gefei Wang
  • , Weisheng Zhao
  • *Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

With low power consumption, fast access speed, high scalability and infinite endurance, spin-transfer torque magnetoresistive random access memory (STT-MRAM) is considered as one of the most promising alternatives to SRAM. However, The performance of STT-MRAM is significantly influenced by several reliability issues, such as process variations and stochastic switching. Most of the reliability analysis of relative circuits are performed at bit-cell and memory level, while that at computer-system level is missing. This paper proposes an efficient framework for performance evaluation of STT-MRAM on computer architecture-level implemented by GEM5+NVMain co-simulator in consideration of the reliability issues. The results show that the overall average latency and energy of STT-MRAM can be up to 5.996% and 20.65% larger than that of the nominal cases in a computer system-level memory architecture taking reliability issues into account. Because reliability issues are considered during the design phase, our framework can provide more accurate performance evaluation and contribute to a higher yield of STT-MRAM based computer systems.

Original languageEnglish
Title of host publication2021 IEEE International Symposium on Circuits and Systems, ISCAS 2021 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728192017
DOIs
StatePublished - 2021
Event53rd IEEE International Symposium on Circuits and Systems, ISCAS 2021 - Daegu, Korea, Republic of
Duration: 22 May 202128 May 2021

Publication series

NameProceedings - IEEE International Symposium on Circuits and Systems
Volume2021-May
ISSN (Print)0271-4310

Conference

Conference53rd IEEE International Symposium on Circuits and Systems, ISCAS 2021
Country/TerritoryKorea, Republic of
CityDaegu
Period22/05/2128/05/21

Keywords

  • Non-volatile memory
  • Performance evaluation
  • Process variation
  • Reliability
  • Spin-transfer torque magnetic random access memory (STT-MRAM)

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