Need help with fvcore?

About the developer

635 Stars 100 Forks Apache License 2.0 141 Commits 6 Opened issues


Collection of common code that's shared among different research projects in FAIR computer vision team.

Services available


Need anything else?

Contributors list


fvcore is a light-weight core library that provides the most common and essential functionality shared in various computer vision frameworks developed in FAIR, such as Detectron2. This library is based on Python 3.6+ and PyTorch. All the components in this library are type-annotated, tested, and benchmarked.

The computer vision team in FAIR is responsible for maintaining this library.


fvcore requires python >= 3.6.

Use one of the following ways to install:

1. Install from PyPI (updated nightly)

pip install -U fvcore

2. Install from Anaconda Cloud (updated nightly)

conda install -c conda-forge -c iopath -c fvcore fvcore

3. Install latest from GitHub

pip install -U 'git+'

4. Install from a local clone

git clone
pip install -e fvcore


This library is released under the Apache 2.0 license.
