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In this study, we employ predicted individual postplacement net length information during clustering and prioritize longer nets. This approach targets the capacitance factor for energy reduction, and prioritizes longer nets for channel width and area reduction. We first introduce a new clustering strategy, W-T-VPack, which replaces the switching activity in P-T-VPack with a net length factor. We obtain a 9.87% energy reduction over T-VPack (3.78% increase over P-T-VPack), while at the same time completely eliminating P-T-VPack's channel width and area overhead. We then introduce W-P-T-VPack, which combines switching activity and net length factors. W-P-T-VPack achieves 14.26% energy reduction (0.31% increase over P-T-VPack), while further improving channel width by up to 12.87% for different cluster sizes. We investigate the energy performance of routability (channel width)-driven clustering algorithms, and show that W-T-VPack consistently outperforms T-RPack and iRAC by at least 11.23% and 9.07%, respectively. We conclude that net-length-based clustering is an effective method to concurrently target energy and channel width.<\/jats:p>","DOI":"10.1145\/2068716.2068724","type":"journal-article","created":{"date-parts":[[2011,12,27]],"date-time":"2011-12-27T15:22:22Z","timestamp":1324999342000},"page":"1-16","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":3,"title":["Net-length-based routability-driven power-aware clustering"],"prefix":"10.1145","volume":"4","author":[{"given":"Lakshmi","family":"Easwaran","sequence":"first","affiliation":[{"name":"University of Arizona, Tucson, AZ"}]},{"given":"Ali","family":"Akoglu","sequence":"additional","affiliation":[{"name":"University of Arizona, Tucson, AZ"}]}],"member":"320","published-online":{"date-parts":[[2011,12,28]]},"reference":[{"key":"e_1_2_1_1_1","unstructured":"Actel Corp. 2009a. Webpage. http:\/\/www.actel.com\/products\/iglooseries\/default.aspx.  Actel Corp. 2009a. 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