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Write amplification is a measure of garbage collection efficiency and a key objective to minimize for NAND flash memory based solid state drives. Prior works on analytical modeling of write amplification tend to fall short of the promises to offer more insights than simulations due to their complexity. This paper derives a simple formula to predict write amplification for practical skewed write traffic,...
As application complexity increases, modern embedded systems have adopted heterogeneous processing elements to enhance the computing capability or to reduce the power consumption. The heterogeneity has introduced challenges for energy efficiency in hardware and software implementations. This paper studies how to partition real-time tasks on a platform with heterogeneous processing elements (processors)...
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...
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