/github.com/ginkgo-project/ginkgo"
                                      target="_top">Ginkgo</a>.
        The different flags that can be added are:
        <ul>
           <li> <code> -DGINKGO_BUILD_REFERENCE={ON,OFF}</code>: Builds the reference single thread implementation
        used to check the more sophisticated implementations of the GPU/CPU.
           <li> <code> -DGINKGO_BUILD_CUDA={ON,OFF}</code>: Builds the GPU implementation, specifically the NVIDIA
        CUDA implementations. This needs C