IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
Online ISSN : 1745-1337
Print ISSN : 0916-8508
Special Section on Design Methodologies for System on a Chip
An Energy-Efficient Floorplan Driven High-Level Synthesis Algorithm for Multiple Clock Domains Design
Shin-ya ABEYouhua SHIKimiyoshi USAMIMasao YANAGISAWANozomu TOGAWA
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2015 Volume E98.A Issue 7 Pages 1376-1391

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Abstract

In this paper, we first propose an HDR-mcd architecture, which integrates periodically all-in-phase based multiple clock domains and multi-cycle interconnect communication into high-level synthesis. In HDR-mcd, an entire chip is divided into several huddles. Huddles can realize synchronization between different clock domains in which interconnection delay should be considered during high-level synthesis. Next, we propose a high-level synthesis algorithm for HDR-mcd, which can reduce energy consumption by optimizing configuration and placement of huddles. Experimental results show that the proposed method achieves 32.5% energy-saving compared with the existing single clock domain based methods.

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© 2015 The Institute of Electronics, Information and Communication Engineers
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