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<p>We present SkePU-Streaming, a two-layer high-level programming framework for specifying complex pipelines composed of portable multi-backend stream processing tasks, each expressed by algorithmic skeletons or user-provided implementations, and its deployment toolchain for distributed heterogeneous parallel systems. Pipeline tasks can have multiple implementation variants to more flexibly exploit the resources of heterogeneous nodes; the convenient expression of multi-variant tasks is achieved by integrating the high-level C++-based skeleton programming framework <i>SkePU</i> with its multiple backends as the main method for portable programming of the stream-processing tasks. Concretely, SkePU-Streaming adds an abstraction layer for pipeline workflow specifications atop SkePU-based task specifications. It extends the SkePU data-container API with stream access operators for use within SkePU and other C++ task code. We present the SkePU-Streaming design and its implementation in a deployment framework for distributed heterogeneous parallel systems, and demonstrate its use with two different video processing applications.</p>

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SkePU-Streaming: Distributed Pipelining of Portable Data-Parallel Skeleton Computations for the Heterogeneous Edge-Cloud Continuum

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年4月16日

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  • August Svensson,
  • Fabio Crugnola,
  • August Ernstsson,
  • Sajad Khosravi,
  • Sebastian Litzinger,
  • Alexander Lindskog,
  • Christoph Kessler

摘要

We present SkePU-Streaming, a two-layer high-level programming framework for specifying complex pipelines composed of portable multi-backend stream processing tasks, each expressed by algorithmic skeletons or user-provided implementations, and its deployment toolchain for distributed heterogeneous parallel systems. Pipeline tasks can have multiple implementation variants to more flexibly exploit the resources of heterogeneous nodes; the convenient expression of multi-variant tasks is achieved by integrating the high-level C++-based skeleton programming framework SkePU with its multiple backends as the main method for portable programming of the stream-processing tasks. Concretely, SkePU-Streaming adds an abstraction layer for pipeline workflow specifications atop SkePU-based task specifications. It extends the SkePU data-container API with stream access operators for use within SkePU and other C++ task code. We present the SkePU-Streaming design and its implementation in a deployment framework for distributed heterogeneous parallel systems, and demonstrate its use with two different video processing applications.