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In this paper, we study the problem of minimizing the number of processors required for scheduling latency-constrained streaming applications modeled as CSDF graphs, where the actors of a CSDF are executed as strictly periodic tasks. We formalize the problem and prove that due to the strict periodicity of actors the problem is an integer convex programming problem, that can be solved efficiently by...
Embedded streaming applications specified using parallel Models of Computation (MoC) often contain ample amount of parallelism which can be exploited using Multi-Processor System-on-Chip (MPSoC) platforms. It has been shown that the various forms of parallelism in an application should be explored to achieve the maximum system performance. However, if more parallelism is revealed than needed, it will...
Streaming applications often require a parallel Model of Computation (MoC) to specify their application behavior and to facilitate mapping onto Multi-Processor System-on-Chip (MPSoC) platforms. Various performance requirements and resource budgets of embedded systems ask for an efficient design space exploration (DSE) approach to select the best design from a design space consisting of a large number...
The increasing complexity of modern embedded streaming applications imposes new challenges on system designers nowadays. For instance, the applications evolved to the point that in many cases hard-real-time execution on multiprocessor platforms is needed in order to meet the applications' timing requirements. Moreover, in some cases, there is a need to run a set of such applications simultaneously...
The Kahn Process Network (KPN) model is a widely used model-of-computation to specify and map streaming applications onto multiprocessor systems-on-chips. In general, KPNs are difficult to analyze at design-time. Thus a special case of the KPN model, called Polyhedral Process Networks (PPN), has been proposed to address the analyzability issue. However, the PPN model is not able to capture adaptive/dynamic...
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