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首页> 外文会议>Proceedings of the 5th International Workshop on Hardware/Software Co-Design >Enforcing Schedulability of Multi-Task Systems by Hardware-Software Codesign
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Enforcing Schedulability of Multi-Task Systems by Hardware-Software Codesign

机译：通过软硬件协同设计增强多任务系统的可调度性

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摘要

This paper deals with the problem of hardware-software codesign of hard real-time systems. For a given task set, we perform an exact schedulability test to determine whether the task set is schedulable or not. When there is a task that cannot meet the deadline, we compute the amount of time by which the deadline is missed. Then we determine which tasks should reduce their execution time to compensate that amount of time deviation. The reduction of execution time is achieved by implementing parts of the tasks with hardware. With this approach, we can systematically design a hard real-time system which is infeasible with all software implementation. Preliminary experimental results are given to demonstrate the effectiveness of our approach.
机译：本文研究了硬实时系统的软硬件代码签名问题。对于给定的任务集，我们执行精确的可调度性测试，以确定任务集是否可调度。当有任务无法按时完成时，我们将计算错过时限的时间。然后，我们确定哪些任务应减少其执行时间以补偿该时间偏差。通过使用硬件实现部分任务，可以减少执行时间。通过这种方法，我们可以系统地设计一个硬实时系统，这对于所有软件实现都是不可行的。初步的实验结果证明了我们方法的有效性。

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