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The Hugging Face transformers library is built on pure PyTorch and can be succinctly described as a model-definition framework. It provides an unified, familiar, clear and concise interface to multiple machine learning architectures across modalities.
Serving and inference optimizations are not its focus.
However, transformers model definitions become the de-facto reference implementations multiple other projects use. This includes training libraries, fast deployment engines such as vLLM and SGLang, and on-device libraries like MLX and llama.cpp.
This session describes the path towards increasingly simpler downstream integration of transformers models into inference and deployment libraries, and how transformers and PyTorch core features enable the ecosystem to enjoy newly-released models as soon as they are released.
We'll go through the journey towards easier modeling, which implies easier downstream porting and adaptation. The end-game is pure interoperability, where no code changes are required! This is now possible with vLLM and SGLang, and we'll show how. We'll end up discussing our ideas on upcoming interop features with MLX and llama.cpp.
Pedro Cuenca is a machine learning engineer at Hugging Face, working in developer advocacy and on-device ML. He has 20+ years of software development experience across internet applications and iOS. He worked on the technology behind Camera+, an iPhone app using custom ML for photography... Read More →
