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A visual programming model to implement coarse-grained DSP applications on parallel and heterogeneous clusters

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Abstract

The digital signal processing (DSP) applications are one of the biggest consumers of computing. They process a big data volume which is represented with a high accuracy. They use complex algorithms, and must satisfy a time constraints in most of cases. In the other hand, it's necessary today to use parallel and heterogeneous architectures in order to speedup the processing, where the best examples are the su-percomputers "Tianhe-2" and "Titan" from the top500 ranking. These architectures could contain several connected nodes, where each node includes a number of generalist processor (multi-core) and a number of accelerators (many-core) to finally allows several levels of parallelism. However, for DSP programmers, it's still complicated to exploit all these parallelism levels to reach good performance for their applications. They have to design their implementation to take advantage of all heteroge-neous computing units, taking into account the architecture specifici-ties of each of them: communication model, memory management, data management, jobs scheduling and synchronization . . . etc. In the present work, we characterize DSP applications, and based on their distinctive-ness, we propose a high level visual programming model and an execution model in order to drop down their implementations and in the same time make desirable performances.
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Dates and versions

hal-01082932 , version 1 (03-02-2015)

Identifiers

  • HAL Id : hal-01082932 , version 1

Cite

Farouk Mansouri, Sylvain Huet, Dominique Houzet. A visual programming model to implement coarse-grained DSP applications on parallel and heterogeneous clusters. Euro-Par 2014: Parallel Processing Workshops, Aug 2014, Porto, Portugal. pp.12. ⟨hal-01082932⟩
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