A program that calculates the knn neighboors. Gonidelis Ioannis - 8794 / Papageorgiou Dimitrios - 8884 Prerequisites lopenblas is needed. Use: >sudo apt-get install libopenblas-dev Usage for tester In the kNN-MPI folder type: > make test_sequential or > make test_synchronous or > make test_asynchronous Main Usage In the src folder type: >make knnring_sequential