STG generates deterministic testbenches 720x faster than iterative LLM flows with higher coverage and fewer false passes, while serving as an 11x faster data curation engine with 127x less energy.
Confibench: Automatic testbench generation with confidence-based scenario mask and testbench ensemble using llms for hdl design,
2 Pith papers cite this work. Polarity classification is still indexing.
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2026 2verdicts
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An LLM-based agent with dual-tier static/dynamic checking and an HLS knowledge graph reaches 0.9826 coverage and 0.9533 consistency on 107 benchmark pairs, beating AST, RAG, and iterative baselines.
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Shift-Left High-Level Synthesis Verification via Knowledge-Augmented LLM Agent
An LLM-based agent with dual-tier static/dynamic checking and an HLS knowledge graph reaches 0.9826 coverage and 0.9533 consistency on 107 benchmark pairs, beating AST, RAG, and iterative baselines.