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| Content Provider | ACM Digital Library |
|---|---|
| Author | Goto, Satoshi Chen, Song Dong, Sheqin Yu, Bei |
| Abstract | Power optimization has become a significant issue when the CMOS technology entered the nanometer era. Multiple-Supply Voltage (MSV) is a popular and effective method for power reduction. Level shifters may cause area and Interconnect Length Overhead(ILO), and should be considered during floorplanning and post-floorplanning stages. In this paper, we propose a two phases framework VLSAF to solve voltage and level shifter assignment problem. At floorplanning phase, we use: a convex cost network flow algorithm to assign voltage; a minimum cost flow algorithm to assign level shifter. At post-floorplanning phase, a heuristic method is adopted to redistribute white spaces and calculate the positions and shapes of level shifters. Experimental results show VLSAF is effective. |
| Starting Page | 51 |
| Ending Page | 56 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781605585222 |
| DOI | 10.1145/1531542.1531558 |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 2009-05-10 |
| Publisher Place | New York |
| Access Restriction | Subscribed |
| Subject Keyword | Voltage assignment Voltage-island Convex network flow Level shifter assignment White space redistribution |
| Content Type | Text |
| Resource Type | Article |
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