After having compiled GPOCL (see INSTALL), to run it do: ./gpocl -v ../datasets/fibonacci.csv This will run gpocl using all CPU cores. To use a specific number of cores do ./gpocl -v ../datasets/fibonacci.csv -cpu 2 if you want, for instance, to use only two cores. To run on the GPU, do: ./gpocl -v ../datasets/fibonacci.csv -gpu ppcu