Add Autodiff Brdf Benchmark The disney brdf is a good benchmark cost functor, because it has - 28 parameters in 7 blocks - 3 residuals - Lots of low-level arithmetic Change-Id: I62c8a717d0aecb64639158f971bdccf6afdfae36
Ceres Solver is an open source C++ library for modeling and solving large, complicated optimization problems. It is a feature rich, mature and performant library which has been used in production at Google since 2010. Ceres Solver can solve two kinds of problems.
Please see ceres-solver.org for more information.