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An ILP Approach to the Simultaneous Application of Operation Scheduling and Power Management
Shih-Hsu HUANG Chun-Hua CHENG
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/01/01
Online ISSN: 1745-1337
Print ISSN: 0916-8508
Type of Manuscript: PAPER
Category: VLSI Design Technology and CAD
high-level synthesis, integer linear programming, scheduling, low power,
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At the behavioral level, large power savings are possible by shutting down unused operations, which is commonly referred to as power management. However, operation scheduling has a significant impact on the potential for power saving via power management. In this paper, we present an integer linear programming (ILP) model to formally formulate the simultaneous application of operation scheduling and power management in high level synthesis. Our objective is to maximize the power saving under both the timing constraints and the resource constraints. Note that our approach guarantees solving the problem optimally. Compared with previous work, experimental data consistently show that our approach has significant relative improvement in the power savings.