Do Sandra's Financial, Scientific GP (GPU/APU) benchmarks use any 3-rd party libraries?
No, no proprietary libraries (e.g. nV cuBLAS, cuFFT; AMD APPML, clMath etc.) are used nor included/required.
Why? This way we have full control over the implementation, optimisations and all code paths (i.e. OpenCL, CUDA, DirectX ComputeShader) for all GP (GPU/APU)s.
Each library has been created with specific requirements in mind that may not align with the other libraries nor ours.