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OSEK OS is a real-time operating system which is very static system for an automobile. All of the functions of the system are already defined in the design phase. During Operation, the change of the system functionalities does not occur. Thus, we analyze how to design an optimized implementation of the scheduler for OSEK OS based on predictable system features to improve the functionality of the Real-time...
Sensors capable of sensing phenomena at high data rates on the order of tens to hundreds of thousands of samples per second are now widely deployed in many industrial, civil engineering, scientific, networking, and medical applications. In aggregate, these sensors easily generate several million samples per second that must be processed within milliseconds or seconds. The computation required includes...
The sequential greedy scheduling (SGS) is a scalable maximal matching algorithm that provides non-blocking in an Internet router with input buffers and a cross-bar. In this paper, we will present the FPGA design of the SGS scheduler. We have optimized scheduler components, and we will prove their correct functioning. The scheduler optimization significantly reduces the worst-case packet delay through...
In a high-performance superscalar processor, the instruction scheduler often comes with poor scalability and high complexity due to the expensive instruction wakeup operation. Using detailed simulation-based analyses, we find that the wakeup distances between two dependent instructions are short. By exploiting this wakeup locality, an effective wakeup design is proposed to improve the speed, power,...
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