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ncnn
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ncnn

ncnn is a high-performance neural network inference framework optimized for the mobile platform

by Tencent · GitHub
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androidarm-neonartificial-intelligenceC++
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In plain words

Run deep learning models efficiently on mobile devices and computers without needing extra software.

From the README

Install
git clone --recursive https://github.com/Tencent/ncnn.git
cd ncnn
mkdir build && cd build

Excerpts from the project README on GitHub. Copyright and licensing remain with the respective authors.

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24k23k
2026-06-282026-08-31
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📄 About

ncnn is a high-performance neural network inference framework optimized for the mobile platform

ncnn has 23.5k stars on GitHub. It has been forked 4.5k times. ncnn is written mainly in C++. It has been in active development since 2017. Its main topics are android, arm-neon, artificial-intelligence, caffe.

Frequently asked questions

What is ncnn?

ncnn is a high-performance neural network inference framework optimized for the mobile platform

Is ncnn open source?

ncnn is an open-source project.

Is ncnn free?

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

What language is ncnn written in?

ncnn is written mainly in C++.

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