Daniel Almeida's article explores the intricacies of GPU drivers, focusing on the Tyr Rust driver for Linux and its interaction with the Vulkan-based VkCube application. It explains the roles of User Mode Drivers (UMDs) and Kernel Mode Drivers (KMDs), detailing how they manage GPU workloads, memory allocation, and job submission. The piece sets the stage for further discussions on Arm's CSF hardware in subsequent entries of the series.