Abstract:Modern aircrafts have seen a significant growth of avionics systems. Most of new aircrafts have systems for navigation, automatic flight control, collision avoidance systems, flight data recorder, weather radar system as well as communication and monitoring systems. All of these systems use embedded computer systems with increasing memory requirements. In order to reduce the electricity consumed by these systems, we suggest detecting the portion of the computer memory that is actually used. The other portion can be temporarily shut down and turned on again when needed. Such a shut down can notably reduce the electricity consumption of the avionics systems.
More than a few failures of Transportation System Networks are caused by kernel stack overflow. Transportation System Networks use operating systems like Android that employs the Linux kernel which has a fixed size kernel stack. Unfortunately, nowadays there is no mechanism to avert the kernel from overflowing the stack. With the purpose of putting a stop to this fault, we present a dynamically sized kernel stack that knows how to adaptively change the stack size.
Abstract. We explore the question what the best page size for Virtual Memory is. This paper argues that the main reason to prefer a larger page is to increase the virtual to physical translation time. To be exact -in order to increase the TLB coverage, larger pages must be used.
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