DeSyRe: On-demand system reliability

Article English OPEN
Sourdis, Ioannis ; Strydis, Christos ; Armato, A. ; Bouganis, Christos Savvas ; Falsafi, Babak ; Gaydadjiev, Georgi Nedeltchev ; Isaza, Sebastian ; Malek, Alirad ; Mariani, R. ; Pnevmatikatos, Dionisios N. ; Pradhan, Dhiraj K. ; Rauwerda, Gerard K. ; Seepers, Robert M. ; Shafik, Rishad A. ; Sunesen, Kim ; Theodoropoulos, Dimitris ; Tzilis, Stavros ; Vavouras, Michalis (2013)
  • Publisher: Elsevier
  • Journal: (issn: 0141-9331)
  • Related identifiers: doi: 10.1016/j.micpro.2013.08.008
  • Subject: Fault-tolerance | Medical systems | Reconfigurable hardware | System-on-chip

The DeSyRe project builds on-demand adaptive and reliable Systems-on-Chips (SoCs). As fabrication technology scales down, chips are becoming less reliable, thereby incurring increased power and performance costs for fault tolerance. To make matters worse, power density is becoming a significant limiting factor in SoC design, in general. In the face of such changes in the technological landscape, current solutions for fault tolerance are expected to introduce excessive overheads in future systems. Moreover, attempting to design and manufacture a totally defect-/fault-free system, would impact heavily, even prohibitively, the design, manufacturing, and testing costs, as well as the system performance and power consumption. In this context, DeSyRe delivers a new generation of systems that are reliable by design at well-balanced power, performance, and design costs. In our attempt to reduce the overheads of fault-tolerance, only a small fraction of the chip is built to be fault-free. This fault-free part is then employed to manage the remaining fault-prone resources of the SoC. The DeSyRe framework is applied to two medical systems with high safety requirements (measured using the IEC 61508 functional safety standard) and tight power and performance constraints. (C) 2013 Elsevier B.V. All rights reserved.
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