Centip3De: A cluster-based NTC architecture with 64 ARM cortex-M3 cores in 3D stacked 130 nm CMOS

David Fick, Ronald G. Dreslinski, Bharan Giridhar, Gyouho Kim, Sangwon Seo, Matthew Fojtik, Sudhir Satpathy, Yoonmyung Lee, Daeyeon Kim, Nurrachman Liu, Michael Wieckowski, Gregory Chen, Trevor Mudge, David Blaauw, Dennis Sylvester

Research output: Contribution to journalArticlepeer-review

32 Scopus citations

Abstract

We present Centip3De, a large-scale 3D CMP with a cluster-based near-threshold computing (NTC) architecture. Centip3De uses a 3D stacking technology in conjunction with 130 nm CMOS. Measured results for a two-layer, 64-core system are discussed, with the system achieving 3930 DMIPS/W energy efficiency, which is > 3x improvement over traditional operation at full supply voltage. This project demonstrates the feasibility of large-scale 3D design, a synergy between 3D and NTC architectures, a unique cluster-based NTC cache design, and how to maximize performance in a thermally-constrained design.

Original languageEnglish
Article number6399548
Pages (from-to)104-117
Number of pages14
JournalIEEE Journal of Solid-State Circuits
Volume48
Issue number1
DOIs
StatePublished - 2013
Externally publishedYes

Keywords

  • 3D integrated circuits
  • energy efficient
  • many-core architectures
  • Near-threshold computing
  • through-silicon vias

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