Superglue: a shared memory framework using data versioning for dependency-aware task-based parallelization. In computational science, it is necessary to make efficient use of multicore architectures for dealing with complex real-life application problems. However, with increased hardware complexity, the cost in man hours of writing and rewriting software to adapt to evolving computer systems is becoming prohibitive. Task-based parallel programming models aim to allow the application programmers to focus on the algorithms and applications, while the performance is handled by a runtime system that schedules the tasks onto nodes, cores, and accelerators. In this paper we describe a task parallel programming model where dependencies are represented through data versioning. Our model allows expressing the program control flow without artificial dependencies, has low complexity for resolving dependencies, and enables scheduling decisions to be made locally. We implement this as a freely available C++ header-only template library, and show experimental results indicating that our implementation both scales and performs well in comparison to similar runtime systems.
References in zbMATH (referenced in 1 article , 1 standard article )
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- Tillenius, Martin: Superglue: a shared memory framework using data versioning for dependency-aware task-based parallelization (2015)