Delay and Energy Efficient Data Transmission for On-Chip Buses

  • Authors:
  • Madhu Mutyam;Melvin Eze;N. Vijaykrishnan;Yuan Xie

  • Affiliations:
  • International Institute of Information Technology, Hyderabad, India;Pennsylvania State University;Pennsylvania State University;Pennsylvania State University

  • Venue:
  • ISVLSI '06 Proceedings of the IEEE Computer Society Annual Symposium on Emerging VLSI Technologies and Architectures
  • Year:
  • 2006

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Abstract

On-chip buses in deep sub-micron designs consume significant amounts of power and have large propagation delays. Thus, minimizing power consumption and propagation delay are the most important design objectives. In this paper, we propose a technique for delay and energy efficient data transmission for on-chip buses and evaluate the effectiveness of our technique by focusing on the L1 cache address/ data buses of a microprocessor using the SPEC2000 CINT benchmark suit. We show that our technique achieves 31% (30%) of delay improvement along with energy savings of (13%) 9% over the base case for data transmission on address (data) bus.