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Predictable embedding of large data structures in multiprocessor networks-on-chip

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4 Author(s)
S. Stuijk ; Eindhoven Univ. of Technol., Netherlands ; T. Basten ; B. Mesman ; M. Geilen

Predictable, tile-based multiprocessor networks-on-chip are considered as future embedded systems platforms. Each tile contains one or a few processors and local memories. These memories are typically too small to store large data structures (e.g. a video frame). A solution to this is to embed tiles with large memories in the architecture. However, fetching data from these memories is slow because of the large network delays. The delay can be hidden by using prefetching. Our main contributions are models that allow timing analysis to provide guaranteed quality and performance when using remote memories and prefetching. We use two realistic video applications to show that our models can be used in practice to derive a predictable system using large memory tiles and prefetching, and to provide guaranteed real-time performance.

Published in:

8th Euromicro Conference on Digital System Design (DSD'05)

Date of Conference:

30 Aug.-3 Sept. 2005