Optimizations for configuring and mapping software pipelines in many core systems

  • Authors:
  • Janmartin Jahn;Santiago Pagani;Sebastian Kobbe;Jian-Jia Chen;Jörg Henkel

  • Affiliations:
  • Karlsruhe Institute of Technology (KIT), Germany;Karlsruhe Institute of Technology (KIT), Germany;Karlsruhe Institute of Technology (KIT), Germany;Karlsruhe Institute of Technology (KIT), Germany;Karlsruhe Institute of Technology (KIT), Germany

  • Venue:
  • Proceedings of the 50th Annual Design Automation Conference
  • Year:
  • 2013

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Abstract

Efficiently utilizing the computational resources of many core systems is one of the most prominent challenges. The problem worsens when resource requirements vary unpredictably and applications may be started/stopped at any time. To address this challenge, we propose two schemes that calculate and adapt task mappings at runtime: a centralized, optimal mapping scheme and a distributed, hierarchical mapping scheme that trades optimality for a high degree of scalability. Experiments on Intel's 48-core Single-Chip Cloud Computer and in a many core simulator show that a significant improvement in system performance can be achieved over current state-of-the-art.