ptx

INT21 announced PTX Kernel Factory, a self-improving agent swarm that autonomously generates expert-level PTX GPU kernels, with open-source proof-of-concept implementations and beta access.

CUDA 13.3 introduces significant enhancements including Tile C++ support, C++23 standard, improved NVRTC, stable CUDA Python 1.0 APIs, and PTX 9.3 with new fabric instructions and async multimem operations, targeting kernel developers and runtime engineers.