Explore the potential for creating an open-source, vendor-neutral GPU compute stack in this Linux Plumbers Conference talk. Delve into the current landscape of GPU acceleration technologies, including CUDA, ROCm, and OpenCL NEO. Examine the challenges and opportunities in developing a standardized alternative based on open-source technologies and development models. Learn about the proposed stack's components, including SYCL, OpenCL, Vulkan, and Mesa. Gain insights into execution environments, intermediate representations, and the development model for this ambitious project. Consider the implications for AI/ML, HPC, and open-source applications like TensorFlow. Understand the potential benefits and challenges of creating a unified compute stack that can work across multiple vendor GPUs.