Thermal-aware scheduling for future chip multiprocessors
EURASIP Journal on Embedded Systems
Variation-Aware Application Scheduling and Power Management for Chip Multiprocessors
ISCA '08 Proceedings of the 35th Annual International Symposium on Computer Architecture
Operating system scheduling for efficient online self-test in robust systems
Proceedings of the 2009 International Conference on Computer-Aided Design
Task Allocation and Migration Algorithm for Temperature-Constrained Real-Time Multi-Core Systems
GREENCOM-CPSCOM '10 Proceedings of the 2010 IEEE/ACM Int'l Conference on Green Computing and Communications & Int'l Conference on Cyber, Physical and Social Computing
Thermal-aware real-time task scheduling for three-dimensional multicore chip
Proceedings of the 27th Annual ACM Symposium on Applied Computing
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The increased complexity and operating frequency in current microprocessors is resulting in a decrease in the performance improvements. In order to keep up with the expected performance gains, major manufacturers have started to offer chip-multiprocessor architectures. Nevertheless, the integration of several cores on the same chip leads to increased heat dissipation and consequently additional costs, decrease of the reliability, and performance loss, among others. In this paper we propose Thermal-Aware Scheduling (TAS) a technique that aims to minimize all these problems. When assigning processes to cores, TAS takes their temperature into account avoiding thermal violation events. As a side effect, the performance is improved. Simulation results show that for a 25-core CMP, a simple TAS heuristic reduces the performance loss that is introduced by excessive temperature, from 52% to 18%. At the same time, TAS decreases the chip's temperature by 2.6^oC.