Task Superscalar: Using Processors as Functional Units

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Provided by: Universitat Oberta de Catalunya
Topic: Hardware
Format: PDF
The complexity of parallel programming greatly limits the effectiveness of Chip Multi-Processors (CMPs). This paper presents the case for task superscalar pipelines, an abstraction of traditional out-of-order superscalar pipelines that orchestrates an entire chip-multiprocessor in the same degree out-of-order pipelines manage functional units. Task superscalar leverages an emerging class of task-based dataflow programming models to relieve programmers from explicitly managing parallel resources. The authors posit that task superscalar overcome many of the limitations of instruction-level out-of-order pipelines, and provide a scalable interface for CMPs.
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