CHIA

CHIA: An open-source framework for principled, agentic AI-driven hardware/software co-design research

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What is CHIA?

CHIA is an open-source framework for agile and principled hardware/software co-design research. Even though many of the steps of the hardware/software co-design process can be accelerated by AI, existing research using AI in these contexts has been limited to small studies on isolated examples because it is still too hard to assemble more complex experiments. CHIA solves this problem by enabling users to express the whole co-design workflow in an agile way with all of the tools you already use. CHIA abstracts workflows as graphs, and provides an efficient, feature rich runtime system to execute these workflows.

See the documentation to run your first flow!

Installation

CHIA requires Python 3.10.19 (matching the Python in the Docker images). With conda:

conda create -n chia_env python=3.10.19
conda activate chia_env
pip install -e /path/to/chia

Learn more about CHIA

User guides:

Overview of CHIA and Early Case Studies

CHIA overview

Integrations & Ecosystem

CHIA workflows compose the tools you already use across the hardware/software co-design stack:

Claude Code    OpenAI Codex    GitHub Copilot    Google Antigravity    AlphaEvolve    OpenEvolve    AdaEvolve    SkyDiscover    Chisel    Chipyard    CIRCT    Hammer    gem5    FireSim    Verilator    Spike    ChampSim   

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Attribution

If you use CHIA in your research, please cite our paper:

@misc{cui2026chiaopensourceframeworkprincipled,
      title={CHIA: An open-source framework for principled, agentic AI-driven hardware/software co-design research}, 
      author={Angela Cui and Ferran Hermida-Rivera and Jack Toubes and Raghav Gupta and Jim Fang and Chengyi Lux Zhang and Ella Schwarz and Junha Kim and Yakun Sophia Shao and Borivoje Nikolic and Christopher W. Fletcher and Sagar Karandikar},
      year={2026},
      eprint={2606.27350},
      archivePrefix={arXiv},
      primaryClass={cs.AR},
      url={https://arxiv.org/abs/2606.27350}, 
}

Project links

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Credits

Author: UC Berkeley Architecture Research

GitHub Statistics

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License expression

BSD-3-Clause
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Requires

Python >=3.10

Provides Extra

test tensorboard wandb metrics postgres docs

Tags

hardware co-design chipyard agents ray

Classifiers

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