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READY: Reliability-and deadline-aware power-budgeting for heterogeneous multi-core systems

Saber Latibari, J ; Sharif University of Technology | 2020

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  1. Type of Document: Article
  2. DOI: 10.1109/TCAD.2020.3003288
  3. Publisher: Institute of Electrical and Electronics Engineers Inc , 2020
  4. Abstract:
  5. Tackling the dark silicon problem in a heterogeneous multi-core system, the temperature constraints across the system should be addressed carefully by assigning a proper set of tasks to a pool of the heterogeneous cores during the run-time. When such a system is utilized in a reliable/realtime application, the reliability/timing constraints of the application should also be augmented to the temperature constraints and make the tasks mapping problem more and more complex. To solve the mapping problem in such a situation, we propose READY; an online reliability-and deadline-aware mapping and scheduling algorithm for heterogeneous multi-core systems. READY utilizes an adaptive power constraint (as a metric for temperature measurement) that is updated according to the number and position of the active cores on the chip. READY, first, attempts to meet the reliability target of the system by improving the reliability of each task. Then, it performs the mapping and scheduling of the tasks on cores of different islands, so that the peak power and timing constraints are met. The simulation results illustrate that while READY guarantees the timing constraints and meets reliability targets, it improves the peak-power-aware system schedulability (chip performance) by 23.77% (up to 40.69%). IEEE
  6. Keywords:
  7. Heterogeneous architectures ; Power constraint ; Reliability ; Schedulability ; Timing constraint ; Budget control ; Mapping ; Online systems ; Power management ; Scheduling algorithms ; Temperature measurement ; Chip performance ; Heterogeneous cores ; Heterogeneous multi-core systems ; Mapping problem ; Power budgeting ; Power constraints ; Schedulability ; Timing constraints ; Reliability
  8. Source: IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems ; 2020
  9. URL: https://ieeexplore.ieee.org/abstract/document/9120356