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Open Access Publications from the University of California

PINE: Photonic Integrated Networked Energy efficient datacenters (ENLITENED Program) [Invited]

  • Author(s): Glick, M;
  • Abrams, NC;
  • Cheng, Q;
  • Teh, MY;
  • Hung, YH;
  • Jimenez, O;
  • Liu, S;
  • Okawachi, Y;
  • Meng, X;
  • Johansson, L;
  • Ghobadi, M;
  • Dennison, L;
  • Michelogiannakis, G;
  • Shalf, J;
  • Liu, A;
  • Bowers, J;
  • Gaeta, A;
  • Lipson, M;
  • Bergman, K
  • et al.

We review the motivation, goals, and achievements of the Photonic Integrated Networked Energy efficient datacenter (PINE) project, which is part of the Advanced Research Projects Agency-Energy (ARPA-E) ENergy-efficient Light-wave Integrated Technology Enabling Networks that Enhance Dataprocessing (ENLITENED) program. The PINE program leverages the unique features of photonic technologies to enable alternative mega-datacenters and high-performance computing (HPC) system architectures that deliver more substantial energy efficiency improvements than can be achieved through link energy efficiency alone. In phase 1 of the program, the PINE system architecture demonstrated an average factor of 2.2 ×2.2× improvement in transactions/joule across a diverse set of HPC and datacenter applications. In phase 2, PINE will demonstrate an aggressive 1.0 pJ/bit total link budget with high-bandwidth-density dense wavelength-division multiplexing (DWDM) links to enable additional 2.5 ×2.5× or more efficiency gains through deep resource disaggregation.

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