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Wirelength Pertubation 알고리즘을 통한 Analytical Placement 성능 개선 기법Improved Analytical Placement Using Wirelength Pertubation Algorithm
- Other Titles
- Improved Analytical Placement Using Wirelength Pertubation Algorithm
- Authors
- 신현철
- Issue Date
- Nov-2011
- Publisher
- 대한전자공학회
- Citation
- 2011년 대한전자공학회 추계학술대회, v. , no. , pp.23 - 26
- Journal Title
- 2011년 대한전자공학회 추계학술대회
- Start Page
- 23
- End Page
- 26
- Abstract
- Analytical placement is one of popular placement algorithms. Analytical placement can use information on wirelength cost and density cost during placement. When we try placement using analytical placer, if two cells located closely, the two cells have simular density gradient. Therefore, placer moves these two cells in same direction and it can"t spread two cells. In this paper, we propose a new Wirelength Pertubation algorithm to avoid inefficient cell moving in previous case. By applying this algorithm in analytical placement we can reduce wirelength cost by 12%.
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