The cuSolver library provides useful LAPACK-like features implemented on NVIDIA GPUs, such as common matrix factorization and triangular solve routines for dense matrices, a sparse least-squares solver routine, and an eigenvalue solver. This package provides FFI bindings to the functions of the cuSolver library. You will need to install the CUDA driver and developer toolkit:

http://developer.nvidia.com/cuda-downloads

http://docs.nvidia.com/cuda/cusolver/index.html