
LiteRT
LiteRT is the new name for TensorFlow Lite (TFLite). While the name is new, it's still the same trusted, high-performance runtime for on-device AI, now with an expanded vision.
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LiteRT is Google's open-source high-performance runtime for on-device AI, previously known as TensorFlow Lite. The repository is currently not intended for open-source development, but aims to evolve to allow direct building and contributions. LiteRT supports Python versions 3.9, 3.10, 3.11 on Linux and MacOS. It ensures compatibility with existing .tflite file extension and format, offering conversion tools and continued active development under the name LiteRT.
README:
GitHub repository for Google's open-source high-performance runtime for on-device AI which has been renamed from TensorFlow Lite to LiteRT.
More details of the LiteRT announcement are in this blog post.
The official documentation can be found at https://ai.google.dev/edge/litert
- Python versions: 3.9, 3.10, 3.11, 3.12
- Operating system: Linux, MacOS
-
How do I contribute code?
For now, please contribute code to the existing TensorFlow Lite repository.
-
What is happening to the .tflite file extension and file format?
No changes are being made to the .tflite file extension or format. Conversion tools will continue to output .tflite flatbuffer files, and .tflite files will be readable by LiteRT.
-
How do I convert models to .tflite format?
For Tensorflow, Keras and Jax you can continue to use the same flows. For PyTorch support check out ai-edge-torch.
-
Will there be any changes to classes and methods?
No. Aside from package names, you won't have to change any code you've written for now.
-
Is TensorFlow Lite still being actively developed?
Yes, but under the name LiteRT. Active development will continue on the runtime (now called LiteRT), as well as the conversion and optimization tools. To ensure you're using the most up-to-date version of the runtime, please use LiteRT.
-
From the LiteRT root folder (where this README file is), run
git submodule init && git submodule update --remote
to make sure you have the latest version of the tensorflow submodule.
-
You will need docker, but nothing else. Create the image with
docker build . -t tflite-builder -f ci/tflite-py3.Dockerfile # Confirm the container was created with docker image ls
-
Run bash inside the container
docker run -it -w /host_dir -v $PWD:/host_dir -v $HOME/.cache/bazel:/root/.cache/bazel tflite-builder bash
where
-v $HOME/.cache/bazel:/root/.cache/bazel
is optional, but useful to map your Bazel cache into the container. -
Run configure script, use default settings for this example.
./configure
-
Build and run e.g.
//tflite:interpreter_test
bazel test //tflite:interpreter_test
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