The gem5 simulator is a modular platform for computer-system architecture research, encompassing system-level architecture as well as processor microarchitecture. gem5 is a community led project with an open governance model.

gem5 was originally conceived for computer architecture research in academia, but it has grown to be used in computer system design by academia, industry for research, and in teaching.

Testing status:
Getting started

Welcome to the gem5 community! Whether you're a seasoned developer or just starting, feel free to ask for guidance as you explore and contribute to gem5.

Source code

Our gem5 project thrives on GitHub, serving as the open-source hub where community led development takes place.

Latest news

Explore our blog for the latest updates and news about gem5, offering a valuable resource to stay informed on the project's developments.

Connect with us
GitHub logo Slack logo YouTube logo