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Assignment-Driven Loop Pipeline Scheduling and Its Application to Data-Path Synthesis

Toshiyuki YOROZUYA, Koji OHASHI, Mineo KANEKO

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Summary :

In this paper, we study loop pipeline scheduling problem under given resource assignment (operation to functional unit assignments and data to register assignments), which is one of the key tasks in data-path synthesis based on the assignment solution space exploration. We show an approach using a precedence constraint graph with parametric disjunctive arcs generated from the specified assignment information, and derive a scheduling method using branch-and-bound exploration of the parameter space. As an application of the proposed scheduling method, it is incorporated with Simulated-Annealing (SA) based exploration of assignment solution space, and it is demonstrated that data-paths of the fifth-order elliptic wave filter are successfully synthesized.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E85-A No.4 pp.819-826
Publication Date
2002/04/01
Publicized
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Type of Manuscript
Special Section PAPER (Special Section of Selected Papers from the 14th Workshop on Circuits and Systems in Karuizawa)
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