MTTF-Aware Reliability Task Scheduling for Heterogeneous Multicore System

With silicon technology aggressively scaling, the aging-induced long-term reliability becomes the prominent problem of integrated circuits. The reliability of homogeneous multi-core system is improved and the aging is relieved through balancing the workload between cores. While for heterogeneous systems, this will increase the gap of original MTTF differences of each core. By considering the original diversity of MTTF, a MILP-based task scheduling method is proposed to balance the MTTF of whole system. Experimental results show that, compared to the workload balancing algorithms, our approach improve MTTF of system over 30i?ź% on average.

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