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A high-level synthesis system for digital signal processing based on enumerating data-flow graphs

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4 Author(s)
N. Togawa ; Dept. of Electron. Inf. & Commun. Eng., Waseda Univ., Tokyo, Japan ; T. Hisaki ; M. Yanagisawa ; T. Ohtsuki

This paper proposes a high-level synthesis system for datapath design of digital signal processing hardwares. The system consists of four phases: (1) DFG (data-flow graph) generation, (2) scheduling, (3) resource binding, and (4) HDL (hardware description language) generation. In (1), the system does not generate only one best DFG representing a given behavioral description of a hardware, but more than one good DFGs representing it. In (2) and (3), several synthesis tools can be incorporated into the system depending on the required objectives. Thus we can obtain more than one datapath candidates for a behavioral description with their area and performance evaluation. In (4), the best datapath design is selected among those candidates and its hardware description is generated. The experimental results for applying the system to several benchmarks show the effectiveness and efficiency

Published in:

Design Automation Conference 1998. Proceedings of the ASP-DAC '98. Asia and South Pacific

Date of Conference:

10-13 Feb 1998