CRADLE: Conversational RTL Design Space Exploration with LLM-based Multi-Agent Systems
By Lukas Krupp, Maximilian Schoffel, Elias Biehl, and Norbert Wehn ¨
RPTU University of Kaiserslautern-Landau, Kaiserslautern, Germany
Abstract
This paper presents CRADLE, a conversational framework for design space exploration of RTL designs using LLM-based multi-agent systems. Unlike existing rigid approaches, CRADLE enables user-guided flows with internal selfverification, correction, and optimization. We demonstrate the framework with a generator-critic agent system targeting FPGA resource minimization using state-of-the-art LLMs. Experimental results on the RTLLM benchmark show that CRADLE achieves significant reductions in resource usage with averages of 48% and 40% in LUTs and FFs across all benchmark designs.
Index Terms—LLM, Agents, Design Space Exploration, RTL
To read the full article, click here
Related Semiconductor IP
- HBM4 PHY IP
- Ultra-Low-Power LPDDR3/LPDDR2/DDR3L Combo Subsystem
- HBM4 Controller IP
- IPSEC AES-256-GCM (Standalone IPsec)
- Parameterizable compact BCH codec
Related Articles
- Simultaneous Exploration of Power, Physical Design and Architectural Performance Dimensions of the SoC Design Space using SEAS
- Simultaneous Exploration of Power, Physical Design and Architectural Performance Dimensions of the SoC Design Space using SEAS
- Configure, Confirm, Ship: Build Secure Processor-Based Systems with Faster Time-to-Market
- VLSI Physical Design Methodology for ASIC Development with a Flavor of IP Hardening
Latest Articles
- A 14ns-Latency 9Gb/s 0.44mm² 62pJ/b Short-Blocklength LDPC Decoder ASIC in 22FDX
- Pipeline Stage Resolved Timing Characterization of FPGA and ASIC Implementations of a RISC V Processor
- Lyra: A Hardware-Accelerated RISC-V Verification Framework with Generative Model-Based Processor Fuzzing
- Leveraging FPGAs for Homomorphic Matrix-Vector Multiplication in Oblivious Message Retrieval
- Extending and Accelerating Inner Product Masking with Fault Detection via Instruction Set Extension