Dual Priority Scheduling Algorithm Used in the nMPRA Microcontrollers – Dynamic Scheduler
Journal Title: Analele Universitatii "Dunarea de Jos" din Galati. Fascicula IX, Metalurgie si Stiinta Materialelor - Year 2015, Vol 38, Issue 2
Abstract
This paper is a follow up of an already published paper that described the static scheduler. It deals with a true dynamic scheduling algorithm that is meant to maximize the CPU utilization. The dual priority algorithm is composed of two different scheduling algorithms, earliest deadline first (EDF) and round robin (RR). We have chosen EDF, because it is a dynamic scheduling algorithm, used in real time operating systems, which can be easily implemented in hardware, by improving the nHSE architecture. The new dynamic scheduler algorithm provides a much better CPU utilization, very good switching time for tasks and events within 5 to 8 machine cycles and guarantees that no task will suffer from starvation.
Authors and Affiliations
Lucian ANDRIEȘ, Vasile Gheorghiță GĂITAN
Keywords
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