ONNXRuntime Extensions

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- 4 - Beta
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License
- OSI Approved :: MIT License
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Project description

ONNXRuntime-Extensions

What's ONNXRuntime-Extensions

Introduction: ONNXRuntime-Extensions is a library that extends the capability of the ONNX models and inference with ONNX Runtime, via ONNX Runtime Custom Operator ABIs. It includes a set of ONNX Runtime Custom Operator to support the common pre- and post-processing operators for vision, text, and nlp models. And it supports multiple languages and platforms, like Python on Windows/Linux/macOS, some mobile platforms like Android and iOS, and Web-Assembly etc. The basic workflow is to enhance a ONNX model firstly and then do the model inference with ONNX Runtime and ONNXRuntime-Extensions package.

Quickstart

Python installation

pip install onnxruntime-extensions

nightly build

on Windows

pip install --index-url https://aiinfra.pkgs.visualstudio.com/PublicPackages/_packaging/ORT-Nightly/pypi/simple/ onnxruntime-extensions

Please ensure that you have met the prerequisites of onnxruntime-extensions (e.g., onnx and onnxruntime) in your Python environment.

on Linux/macOS

the packages are not ready yet, so it could be installed from source. Please make sure the compiler toolkit like gcc(later than g++ 8.0) or clang, and the tool cmake are installed before the following command

python -m pip install git+https://github.com/microsoft/onnxruntime-extensions.git

Usage

1. Augment an ONNX model with a pre- and post-processing pipeline

check tutorial for a couple of examples on how to do it.

2. Using Extensions for ONNX Runtime inference

Python

import onnxruntime as _ort
from onnxruntime_extensions import get_library_path as _lib_path

so = _ort.SessionOptions()
so.register_custom_ops_library(_lib_path())

# Run the ONNXRuntime Session, as ONNXRuntime docs suggested.
# sess = _ort.InferenceSession(model, so)
# sess.run (...)

C++

  // The line loads the customop library into ONNXRuntime engine to load the ONNX model with the custom op
  Ort::ThrowOnError(Ort::GetApi().RegisterCustomOpsLibrary((OrtSessionOptions*)session_options, custom_op_library_filename, &handle));

  // The regular ONNXRuntime invoking to run the model.
  Ort::Session session(env, model_uri, session_options);
  RunSession(session, inputs, outputs);

Java

var env = OrtEnvironment.getEnvironment();
var sess_opt = new OrtSession.SessionOptions();

/* Register the custom ops from onnxruntime-extensions */
sess_opt.registerCustomOpLibrary(OrtxPackage.getLibraryPath());

Use exporters to generate graphs with custom operators

The PyTorch and TensorFlow converters support custom operator generation if the operation from the original framework cannot be interpreted as a standard ONNX operators. Check the following two examples on how to do this.

Add a new custom operator to onnxruntime-extensions

You can contribute customop C++ implementations directly in this repository if they have general applicability to other users. In addition, if you want to quickly verify the ONNX model with Python, you can wrap the custom operator with PyOp.

import numpy
from onnxruntime_extensions import PyOp, onnx_op

# Implement the CustomOp by decorating a function with onnx_op
@onnx_op(op_type="Inverse", inputs=[PyOp.dt_float])
def inverse(x):
    # the user custom op implementation here:
    return numpy.linalg.inv(x)

# Run the model with this custom op
# model_func = PyOrtFunction(model_path)
# outputs = model_func(inputs)
# ...

Check development.md for build and test

Project details

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Project links

Homepage

Development Status
- 4 - Beta
Environment
- Console
Intended Audience
- Developers
License
- OSI Approved :: MIT License
Operating System
Programming Language

Release history Release notifications | RSS feed

0.13.0

Oct 31, 2024

0.12.0

Aug 16, 2024

0.11.0

May 28, 2024

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Feb 17, 2024

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Feb 6, 2024

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Sep 20, 2023

This version

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May 26, 2023

0.7.0

Mar 2, 2023

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Oct 7, 2021

0.4.0

Sep 28, 2021

0.3.1

Jun 4, 2021

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onnxruntime_extensions 0.8.0

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ONNXRuntime-Extensions

What's ONNXRuntime-Extensions

Quickstart

Python installation

nightly build

on Windows

on Linux/macOS

Usage

1. Augment an ONNX model with a pre- and post-processing pipeline

2. Using Extensions for ONNX Runtime inference

Python

C++

Java

Use exporters to generate graphs with custom operators

Add a new custom operator to onnxruntime-extensions

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