:)
High-performance, Low-Overhead Rendering with OpenGL and Vulkan - 2016
OpenGL State Change Is Deferred - 2015
The OpenGL Impedance Mismatch - 2015
Beyond Porting: How Modern OpenGL Can Radically Reduce Driver Overhead - 2014
Approaching Zero Driver Overhead in OpenGL - 2014
OpenGL API Overhead
OpenGL Batch Rendering