sass

An educational tweet explaining the three levels of NVIDIA's software stack (CUDA C++, PTX, SASS) and how CUDA's abstraction creates a moat, while mentioning Luminal's automatic compiler search.

This article explains the entire process of compiling and launching a CUDA kernel, from source code to hardware execution, using a simple vector addition example and detailing the role of nvcc, PTX, SASS, and ioctls.