David Robertson took a quantization challenge designed for CUDA experts, and solved it in Mojo with AI assistance, and ended up 1.07x to 1.84x faster than the state-of-the-art C++/CUDA implementation.
Co-founder here. There isn't any signup - that was 2+ years ago and we've been iterating a lot with the community and listening to feedback - which has been wonderful. Go freely and install with Pip, UV, Pixi etc -> https://docs.modular.com/mojo/manual/install