SynCircuit: Automated Generation of New Synthetic RTL Circuits Can Enable Big Data in Circuits

In recent years, AI-assisted IC design methods have demonstrated great potential, but the availability of circuit design data is extremely limited, especially in the public domain. The lack of circuit data has become the primary bottleneck in developing AI-assisted IC design methods. In this work, w...

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Bibliographic Details
Published in:2025 62nd ACM/IEEE Design Automation Conference (DAC) pp. 1 - 7
Main Authors: Liu, Shang, Wang, Jing, Fang, Wenji, Xie, Zhiyao
Format: Conference Proceeding
Language:English
Published: IEEE 22.06.2025
Subjects:
Circuit synthesis
Design automation
Design methodology
Hardware design languages
Integrated circuit modeling
Logic
Monte Carlo methods
Redundancy
Refining
Synthetic data
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Summary:In recent years, AI-assisted IC design methods have demonstrated great potential, but the availability of circuit design data is extremely limited, especially in the public domain. The lack of circuit data has become the primary bottleneck in developing AI-assisted IC design methods. In this work, we make the first attempt, SynCircuit, to generate new synthetic circuits with valid functionalities in the HDL format.SynCircuit automatically generates synthetic data using a framework with three innovative steps: 1) We propose a customized diffusion-based generative model to resolve the Directed Cyclic Graph (DCG) generation task, which has not been well explored in the AI community. 2) To ensure our circuit is valid, we enforce the circuit constraints by refining the initial graph generation outputs. 3) The Monte Carlo tree search (MCTS) method further optimizes the logic redundancy in the generated graph. Experimental results demonstrate that our proposed SynCircuit can generate more realistic synthetic circuits and enhance ML model performance in downstream circuit design tasks.
DOI:10.1109/DAC63849.2025.11132799