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An analysis of the impact of bus contention on the WCET in multicores
Dasari, Dakshina; Nélis, VincentThe use of multicores is becoming widespread inthe field of embedded systems, many of which have real-time requirements. Hence, ensuring that real-time applications meet their timing constraints is a pre-requisite before deploying them on these systems. This necessitates the consideration of the impact of the contention due to shared lowlevel hardware resources like the front-side bus (FSB) on the Worst-CaseExe...
WCET analysis considering contention on memory bus in COTS-based multicores
Dasari, Dakshina; Nélis, Vincent; Andersson, BjörnThe usage of COTS-based multicores is becoming widespread in the field of embedded systems. Providing realtime guarantees at design-time is a pre-requisite to deploy real-time systems on these multicores. This necessitates the consideration of the impact of the contention due to shared low-level hardware resources on the Worst-Case Execution Time (WCET) of the tasks. As a step towards this aim, this paper first...
A tighter analysis of the worst-case endto- end communication delay in massive ...
Nélis, Vincent; Dasari, Dakshina; Nikolic, Borislav; Petters, Stefan M."Many-core” systems based on the Network-on- Chip (NoC) architecture have brought into the fore-front various opportunities and challenges for the deployment of real-time systems. Such real-time systems need timing guarantees to be fulfilled. Therefore, calculating upper-bounds on the end-to-end communication delay between system components is of primary interest. In this work, we identify the limitations of an...
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