# How We Built TLX: A Hardware-Native GPU Compiler for Production ML at Scale

> Source: <https://engineering.fb.com/2026/11/10/open-source/tlx-a-hardware-native-gpu-compiler-for-production-ml/>
> Published: 2026-11-10 16:59:31+00:00

Triton Low-Level Extensions (TLX), is an extension to Triton that helps engineers optimize GPU performance while preserving Triton’s productive programming model. TLX introduces explicit warp-group and cluster-level orchestration, letting developers adopt new hardware capabilities without sacrificing velocity. TLX has demonstrated performance improvements in RecSys training, RecSys inference, and large-scale LLM pretraining. Modern GPU architectures increasingly [...]

The post [How We Built TLX: A Hardware-Native GPU Compiler for Production ML at Scale](https://engineering.fb.com/2026/11/10/open-source/tlx-a-hardware-native-gpu-compiler-for-production-ml/) appeared first on [Engineering at Meta](https://engineering.fb.com).