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Fault-tolerant average execution time optimization for general-purpose multi-processor system-on-chips

Författare:
Publiceringsår: 2009
Språk: Engelska
Sidor: 484-489
Dokumenttyp: Konferensbidrag

Sammanfattning

Fault-tolerance is due to the semiconductor technology development important, not only for safety-critical systems but also for general-purpose (non-safety critical) systems. However, instead of guaranteeing that deadlines always are met, it is for general-purpose systems important to minimize the average execution time (AET) while ensuring fault-tolerance. For a given job and a soft (transient) error probability, we define mathematical formulas for AET that includes bus communication overhead for both voting (active replication) and rollback-recovery with checkpointing (RRC). And, for a given multi-processor system-on-chip (MPSoC), we define integer linear programming (ILP) models that minimize AET including bus communication overhead when: (1) selecting the number of checkpoints when using RRC, (2) finding the number of processors and job-to-processor assignment when using voting, and (3) defining fault-tolerance scheme (voting or RRC) per job and defining its usage for each job. Experiments demonstrate significant savings in AET.

Disputation

Nyckelord

  • Technology and Engineering

Övriga

Design Automation and Test in Europe (DATE 2009)
2014-04-21
Nice, France
Published
Yes

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