DRiLLS: Deep Reinforcement Learning for Logic Synthesis

Logic synthesis requires extensive tuning of the synthesis optimization flow where the quality of results (QoR) depends on the sequence of optimizations used. Efficient design space exploration is challenging due to the exponential number of possible optimization permutations. Therefore, automating...

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Veröffentlicht in:Proceedings of the ASP-DAC ... Asia and South Pacific Design Automation Conference S. 581 - 586
Hauptverfasser: Hosny, Abdelrahman, Hashemi, Soheil, Shalan, Mohamed, Reda, Sherief
Format: Tagungsbericht
Sprache:Englisch
Veröffentlicht: IEEE 01.01.2020
Schlagworte:
Benchmark testing
Circuit synthesis
Delays
Optimization
Reinforcement learning
Space exploration
Tuning
ISSN:2153-697X
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Zusammenfassung:Logic synthesis requires extensive tuning of the synthesis optimization flow where the quality of results (QoR) depends on the sequence of optimizations used. Efficient design space exploration is challenging due to the exponential number of possible optimization permutations. Therefore, automating the optimization process is necessary. In this work, we propose a novel reinforcement learning-based methodology that navigates the optimization space without human intervention. We demonstrate the training of an Advantage Actor Critic (A2C) agent that seeks to minimize area subject to a timing constraint. Using the proposed methodology, designs can be optimized autonomously with no-humans in-loop. Evaluation on the comprehensive EPFL benchmark suite shows that the agent outperforms existing exploration methodologies and improves QoRs by an average of 13%.
ISSN:2153-697X
DOI:10.1109/ASP-DAC47756.2020.9045559