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With the increasing number of cores in a computing system, how to coordinate the computing units and heterogeneous memory resources has soon become extremely critical for real-time systems. This paper explores the joint considerations of memory management and real-time task scheduling over island-based multi-core architecture, where the local memory module of an island offers shorter access time than...
Multiprocessor platforms have been widely adopted to accommodate the increasing computation requirement of modern applications. Partitioned scheduling (or packing) has been widely exploited by partitioning real-time tasks onto processors to meet the timing constraints, which has been shown to be NP-complete in the strong sense. This paper studies the approximation of partitioned scheduling by exploiting...
Energy-efficient and power-aware designs have played important roles in modern computing systems to reduce the power bills for server systems or prolong the lifetime of embedded devices. Moreover, systems with multiple heterogeneous processing units have been widely adopted to enhance the computing capability or reduce the power consumption. This work explores how to synthesize a heterogeneous multiprocessor...
Adopting multiple processing units to enhance the computing capability or reduce the power consumption has been widely accepted for designing modern computing systems. Such configurations impose challenges on energy efficiency in hardware and software implementations. This work targets power-aware and energy-efficient task partitioning and processing unit allocation for periodic real-time tasks on...
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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