Faml is FAst Machine Learning library for C++ 
The aim of this library is to implement various machine learning methods in fast out-of-core fashion.
Models:
- KNN
- Decision Tree
- Linear regression
- Logistic regression
Requirements:
- gcc >= 4.8 or clang >= 3.5
- CMake 2.8
- Eigen (http://eigen.tuxfamily.org/)
Build instructions:
mkdir build && cd build
cmake ..
make