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Volume 45 Issue 9
Sep.  2023
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LIU Genggeng, YE Zhengyang, ZHU Yuhan, CHEN Zhisheng, HUANG Xing, XU Ning. A Multi-Stage Heuristic Flow-Layer Physical Codesign Algorithm for Continuous-Flow Microfluidic Biochips[J]. Journal of Electronics & Information Technology, 2023, 45(9): 3401-3409. doi: 10.11999/JEIT221155
Citation: LIU Genggeng, YE Zhengyang, ZHU Yuhan, CHEN Zhisheng, HUANG Xing, XU Ning. A Multi-Stage Heuristic Flow-Layer Physical Codesign Algorithm for Continuous-Flow Microfluidic Biochips[J]. Journal of Electronics & Information Technology, 2023, 45(9): 3401-3409. doi: 10.11999/JEIT221155

A Multi-Stage Heuristic Flow-Layer Physical Codesign Algorithm for Continuous-Flow Microfluidic Biochips

doi: 10.11999/JEIT221155
Funds:  The National Natural Science Foundation of China (61877010)
  • Received Date: 2022-09-05
  • Accepted Date: 2022-12-20
  • Rev Recd Date: 2022-12-18
  • Available Online: 2022-12-23
  • Publish Date: 2023-09-27
  • In order to improve the quality and efficiency of flow-layer physical co-design in Continuous-Flow Microfluidic Biochips (CFMBs), placement and routing co-design is implemented in three stages. (1) Placement preprocessing stage: Through the logic placement and component orientation placement adjustment method, the excellent logical position and logical orientation of components are obtained. (2) Component mapping and bounding-box gap placement adjustment stage: Based on the bounding-box strategy, the placement preprocessing result is mapped into the actual physical design space, and the optimal bounding-box gap is obtained after the placement adjustment of bounding-box. (3) Shrinking placement adjustment stage: Based on the connected graph relationship among components, two original placement adjustment methods, shrinking along the flow channel and multi-graph shrinking, are proposed. The experimental results show that, compared with the existing best heuristic algorithm, the algorithm in this paper optimize the chip flow-layer integral area, the number of flow channel intersections and the total length of flow channel by 20.22%, 54.66% and 71.62%, respectively, and the speedup ratio is 177.12, which improves significantly the design quality and efficiency.
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