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ChampSim
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ChampSim

ChampSim is an open-source trace based simulator maintained at Texas A&M University and through the support of the computer architecture community.

by ChampSim · GitHub
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computer-architecturesimulationApache-2.0C++
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In plain words

Simulate computer architecture to study microarchitecture performance and behavior in a controlled environment.

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740739
2026-07-202026-08-31
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📄 About

ChampSim is an open-source trace based simulator maintained at Texas A&M University and through the support of the computer architecture community.

ChampSim has 739 stars on GitHub. It has been forked 616 times. ChampSim is written mainly in C++. It has been in active development since 2017. ChampSim is available under the Apache-2.0 license. Its main topics are computer-architecture, simulation.

Frequently asked questions

What is ChampSim?

ChampSim is an open-source trace based simulator maintained at Texas A&M University and through the support of the computer architecture community.

Is ChampSim open source?

ChampSim is an open-source project. It is released under the Apache-2.0 license.

Is ChampSim free?

Yes. ChampSim is free and open source — you can use, modify and self-host it.

What license does ChampSim use?

ChampSim is available under the Apache-2.0 license.

What language is ChampSim written in?

ChampSim is written mainly in C++.

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