Using Diffusion Model to Generate Design Solutions in very large-scale integrated computer-aided design (VLSI CAD)
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2023-01-28
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nl
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In the routing stage of back-end design in very large-scale integrated computer-aided design
(VLSI CAD), congestion is used to evaluate routing performance. Congestion happens when
the routing demand exceeds the routing resources available in a region. A route-friendly design
is usually obtained through a routability estimator that provides congestion feedback to guide
the kernel placer minimizing for placement objectives. We propose using a diffusion model to
capture designs’ feature distributions to generate possible variations that might help further
optimize placements for routability. In this work, we select three features as input to feed into a
simple diffusion probabilistic model to synthesize routing feature design solutions. In our
experiment, the visualization of the output that resembles that of the input design features was
achieved.
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Faculteit der Sociale Wetenschappen