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Many-core processors can provide the computational power required by future complex embedded systems. However, their adoption is not trivial, since several sources of interference on COTS many-core platforms have adverse effects on the resulting performance. One main source of performance degradation is the contention on the Network-on-Chip (NoC), which is used for communication among the compute...
The Network-on-Chip (NoC) is the preferred interconnection medium for massively parallel platforms. Targeting real-time applications, fixed-priority based NoCs with virtualchannels have been proposed as a promising solution. In order to verify if specific time requirements can be satisfied, schedulability tests are typically used. Several analysis approaches have been proposed targeting priority-based...
The Network-on-Chip (NoC) is the on-chip interconnection medium of choice for modern massively parallel processors and System-on-Chip (SoC) in general. Fixed-priority based preemptive scheduling using virtual-channels is a solution to support real-time communications in on-chip networks. Targeting the priority assignment problem in the context of NoCs, heuristic based priority assignment algorithms...
The Multi-Resource Server (MRS) technique has been proposed to enable predictable execution of memory intensive real-time applications on COTS multi-core platforms. It uses resource reservation approaches in the context of CPU-bandwidth and memory-bus bandwidth reservations to bound the interference between the applications running on the same core as well as between the applications running on different...
The Controller Area Network (CAN) is widely utilized in many industrial real-time applications. As a real-time communication network, the predictability of timing behaviors is very important. Therefore, many works have been proposed regarding the schedulability analysis of CAN messages. Most of the existing analysis approaches are based on a traditional periodic message model. However, in some applications,...
The Controller Area Network (CAN) is one of the most widely utilized real-time communication networks, which has plenty of applications especially in automotive industry. Many works have been proposed regarding the CAN schedulability analysis which is very important for guaranteeing the safety and reliability of hard real-time systems. Most of the existing analysis methods assume a periodic message...
Ethernet switches are increasingly used in real-time distributed systems as a technical solution to guarantee the timeliness in communications. However, there are still limitations related to real-time behavior caused by the limited number of priority levels and the possibility of memory overruns with consequent message losses. These limitations can be eliminated using a master/slave technique such...
In hierarchical scheduling, a system is organized into multiple levels of individually scheduled subsystems (hierarchical scheduling tree), which provides several benefits for developers including possibilities for parallel development of subsystems. In this paper, we study how the model of task automata and the Times tool can be applied to provide support for rapid and early prototyping of hierarchically...
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