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Yield losses due to a combination of random, systematic and parametric defects are rising as manufacturing processes scale to smaller features sizes. In embedded systems-on-chip, yield can be increased using slack-under-utilization in execution and storage resources-so that when components are defective, data and tasks can be re-mapped and re-scheduled. For any given system, the design space of possible...
Temperature-aware design is emerging as a popular approach to addressing a variety of challenges, including system lifetime. In the case of task mapping, temperature-aware approaches indeed improve lifetime due to lifetime's strong dependence on tempera-ture. However, temperature-aware design neglects several important factors that also influence lifetime: (a) physical parameters such as supply voltage...
Single-chip systems, featuring multiple heterogeneous processors and a variety of communication and memory architectures, have emerged to satisfy the demand for networking, handheld computing, and other custom devices. When simulated at cycle-accurate level, these system models are slow to build and execute, severely limiting the number of design iterations that can be considered. A key challenge...
Embedded single-chip heterogeneous multiprocessor (SCHM) systems experience frequent system events such as task preemption, power-saving voltage/frequency scaling, or arrival of new events/data from the outside world. Traditionally, the designers model these events by explicitly coupling them to corresponding simulation events within environments such as SystemC. However, this approach places a burden...
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