OSIRIS: Bridging Analog Layout Circuit Design and Machine Learning with Scalable Dataset Generation

OSIRIS is an end-to-end analog circuit design pipeline capable of producing, validating, and evaluating large volumes of layouts for generic analog circuits.

The OSIRIS 🤗 HuggingFace repository hosts the randomly generated dataset discussed in the paper.

This codebse provides the OSIRIS Python script (osiris.py) and the Python friendly version of the SkyWater 130nm PDK (SKY130_PDK) along with the necessary files to perform place and route operations (in schematic2layout folder).

• Curated by: hardware-fab
• License: Open Data Commons License cc-by-4.0
• ICLR 2026 Paper: OSIRIS: Bridging Analog Layout Circuit Design and Machine Learning with Scalable Dataset Generation

How to Download

The code is stored in osiris_code.zip while the dataset is stored in Osiris_Dataset.zip.

from huggingface_hub import hf_hub_download

file_path = hf_hub_download(
    repo_id="hardware-fab/osiris",
    filename=<filename_to_download>,
    repo_type="dataset",
    local_dir=<download_path>
)

Where <filename_to_download> is either osiris_code.zip or Osiris_Dataset.zip and <download_path> is the path to your local folder.

Installation

To run OSIRIS a suite of tools is necessary.

Netgen

Netgen is used to carry out Layout Versus Schematic (LVS). We use version 1.5.293. To install it, please refer to the official GitHub repository.

Magic

Magic is used to perform Parasitic Extraction (PEX). We use version 8.3.497. To install it, please refer to the official GitHub repository.

Ngspice

Ngspice is used to perform simulations. We use version ngspice-43. To install it, please refer to the official website.

SkyWater 130nm PDK

To install the SkyWater 130 nm PDK used throughout the research, please refer to the official GitHub repository. These PDK files are used by Netgen, Magic, and Ngspice to perform LVS, PEX, and simulation respectively. While the SKY130_PDK files are a Python friendly version of the SkyWater 130nm PDK to perform the place and route operations.

Usage

You will need to adjust a few paths to your working setup.

• in each testbench: the path pointing to SkyWater simulation libraries, i.e., sky130A/libs.tech/ngspice/sky130.lib.spice.
• in config.py: the WD path variable.
• in 0_alter_nf.py: the base_path path variable.
• in pex.sh: the path pointing to SkyWater root, i.e., sky130A.
• in 1_reroute_sch2lay.sh: the path pointing to SKY130_PDK.

Then you will need to compute the fingers permutations. To do so, refer to the 2_flow/0_alter/0_alter_nf.py script.

To experiment with OSIRIS, use the osiris.py file.

To perform random exploration of circuit design space, set:

EXPLORATION_MODE = 'dataset'

To perform the RL-driven exploration baseline of layout design space reported in the paper, set:

EXPLORATION_MODE = 'rl'

Note

This repository is protected by copyright and licensed under the Apache-2.0 license.