gpuOwL was developed from scratch, based mainly on the article "Discrete Weighted Transforms and Large Integer Arithmetic" by Richard Crandall and Fagin (1994). It uses IBDWT method. The author's goal was to create the fastest possible implementation of Lucas-Lehmer test (LL) using AMD GPUs.
The code is self-contained, without dependencies on external libraries (such as an FFT library). The only requirements are a C++ compiler and an OpenCL implementation.
The program was used to verify Mersenne prime M50 at the time of its discovery.