3D Stacked Microprocessor: Are We There Yet?

  • Authors:
  • Gabriel H. Loh;Yuan Xie

  • Affiliations:
  • Georgia Institute of Technology;Pennsylvania State University

  • Venue:
  • IEEE Micro
  • Year:
  • 2010

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Abstract

Editors' NoteWe live in a 3D world. It is hard to imagine a large city, such as New York City, with only single-level structures. There would be no skyscrapers, no mixed-use, no live-work. It would be a long walk (or drive) between everything, especially between dissimilar uses—all in all, very inefficient!Integrated circuits today are typically designed using single-level Manhattan geometries, nothing like the layout of the real city. In this prolegomenon, Gabriel Loh and Yuan Xie survey 3D integrated circuit technology, demonstrating the virtues, potentials, and challenges of applying three dimensions to future microprocessor designs and exploiting the locality and diversity of real-world Manhattan geometries.