Microring fault-resilient photonic network-on-chip for reliable high-performance many-core systems

Michael Conrad Meyer, Yuichi Okuyama, Abderazek Ben Abdallah

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Photonic networks-on-chip (PNoCs) have emerged as a promising alternative to the conventional metal-based networks-on-chip due to their advantages in bandwidth density, power efficiency and propagation speed. Existing works on PNoCs concentrate on architectures of photonic networks with the assumption that the underlying photonic infrastructure operates correctly and reliably. However, the key optical device in PNoC systems, microring resonators (MRs), is very sensitive to temperature fluctuation and manufacturing errors. A single MR failure can cause messages to be misdelivered or lost, which results in bandwidth loss or even complete failure of the whole system. In this paper, we present a fault-tolerant Photonic Network-on-Chip architecture, named FT-PHENIC, which uses minimal redundancy to ensure accuracy of packet transmission even after faulty microring resonators (MRs) are detected. FT-PHENIC is based on a microring fault-resilient photonic router (FTTDOR) and an adaptive path-configuration and routing algorithm. Simulation results show that FT-PHENIC tolerates MR faults quite well up until around when 20 % of the MRs have failed, and has minimal bandwidth degradation and power drawbacks.

Original languageEnglish
Pages (from-to)1567-1599
Number of pages33
JournalJournal of Supercomputing
Volume73
Issue number4
DOIs
Publication statusPublished - 2017 Apr 1
Externally publishedYes

Fingerprint

Many-core
Microring Resonator
Photonics
Fault
High Performance
Resonators
Bandwidth
Propagation Speed
Optical Devices
Routing algorithms
Routing Algorithm
Optical devices
Network on chip
Network-on-chip
Router
Fault-tolerant
Routers
Redundancy
Degradation
Infrastructure

Keywords

  • Fault tolerant
  • High performance
  • Many-core systems
  • Microring
  • NoCs
  • Optical router

ASJC Scopus subject areas

  • Software
  • Theoretical Computer Science
  • Information Systems
  • Hardware and Architecture

Cite this

Microring fault-resilient photonic network-on-chip for reliable high-performance many-core systems. / Meyer, Michael Conrad; Okuyama, Yuichi; Abdallah, Abderazek Ben.

In: Journal of Supercomputing, Vol. 73, No. 4, 01.04.2017, p. 1567-1599.

Research output: Contribution to journalArticle

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