Train Models Faster with JAX and MaxText Using NVFP4 on NVIDIA Blackwell
NVIDIA shows NVFP4 low-bit precision on Blackwell speeds up LLM pretraining with JAX and MaxText.
“Numerical precision is one of the highest-leverage knobs available, but low-bit mixed-precision pretraining is hard to get right.”
NVIDIA published a developer guide on using NVFP4 low-bit precision with JAX and MaxText on Blackwell GPUs to improve LLM pretraining throughput. It addresses how numerical precision can cut step time and compute costs at trillion-token scale, but it is a vendor technical tutorial rather than a major industry announcement.