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Due to rising integrations, low voltage operations, and environmental influences such as electromagnetic interference and radiation, transient faults may cause soft errors and corrupt the execution state. Such soft errors can be recovered by applying fault-tolerant techniques. Therefore, the execution time of a job of a sporadic/periodic task may differ, depending upon the occurrence of soft errors...
Multiprocessor SoC platforms have been adopted for a wide range of high performance applications. Task assignment and processing unit allocation are key steps in the design of predictable and efficient embedded systems. Provided that the probability distributions and mutual exclusion conditions for executing applications are known a priori, this paper explores the mapping of tasks onto processing...
Reliability-aware power management (RAPM) schemes have been recently studied to save energy while preserving system reliability. The existing RAPM schemes, however, provision for worst-case execution scenarios and are rather conservative. In this paper, by exploiting the probabilistic execution time information of real-time tasks, we develop an optimistic RAPM scheme. Instead of scheduling a full...
Energy-efficiency has been an important system issue in hardware and software designs for both real-time embedded systems and server systems. This research explores systems with probabilistic distribution on the execution time of realtime tasks on homogeneous multiprocessor platforms with the capability of dynamic voltage scaling (DVS). The objective is to derive a task partition which minimizes the...
The pursuit of energy efficiency is becoming more and more important in hardware and software designs. This research explores energy-efficient scheduling for a periodic real-time task with uncertain execution time in dynamic voltage scaling (DVS) systems with non-negligible leakage/static power consumption. Distinct from the assumption of non-reducible static power consumption in the literature, this...
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