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The 2PARMA project aims at overcoming the lack of parallel programming models and run-time resource management techniques to exploit the features of many-core processor architectures. More in detail, the 2PARMA project focuses on the definition of a parallel programming model combining component-based and single-instruction multiple-thread approaches, instruction set virtualisation based on portable...
Real-time applications, hard or soft, are raising the challenge of unpredictability. This is an extremely difficult problem in the context of modern, dynamic, multiprocessor platforms which, while providing potentially high performance, make the task of timing prediction extremely difficult. Also, with the growing software content in embedded systems and the diffusion of highly programmable and re-configurable...
The main goals of the 2PARMA project are: the definition of a parallel programming model combining component-based and single-instruction multiple-thread approaches, instruction set virtualisation based on portable byte-code, run-time resource management policies and mechanisms as well as design space exploration methodologies for many-core computing architectures.
The quality of realistic complex wireless sensor networks requires several non-functional aspects to be accounted for starting from the early phases of the application development. The most relevant aspects that need to be considered for optimization trade-offs are for sure computational efficiency (in a wide sense) and network lifetime. At lower level these aspects are measured as power/energy consumption...
System-level design of WSNs includes the selection of the sensing nodes and their dissemination in the environment to be monitored. Many design choices have to be taken during this stage of the development of the application. The goal of this paper is to present a methodology to specify formally the desired behavior of the sensing application and to derive an optimal selection and placement of the...
This paper presents a methodology for accurately characterizing the system calls of an operating system for embedded applications. Characterization consists of two phases: measurements and modeling. Measurements allow a coarse-grained quantitative comparison of different operating systems. Models, on the other hand, have been derived to gain a more detailed view of the behavior of a RTOS. Furthermore,...
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