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OpenVINO™ Developer Documentation
Welcome to the OpenVINO™ Developer Documentation. This documentation helps deeper understand the OpenVINO architecture and gives detailed information on the concepts and ideas used inside.
The OpenVINO™ provides a functionality to load models from different frameworks and run them on different accelerators.
flowchart LR
subgraph models [Models]
ir[("IR (*.xml)")]
onnx[("ONNX (*.onnx)")]
paddle[("PaddlePaddle (*.pdmodel)")]
tf[("Tensorflow (*.pb)")]
style ir fill:#427cb0
style onnx fill:#427cb0
style paddle fill:#427cb0
style tf fill:#427cb0
style models fill:#aeb6ba
click onnx "https://github.com/onnx/onnx"
end
mo{{Model Optimizer}}
style mo fill:#6c9f7f
onnx--convert--->mo
paddle--convert--->mo
tf--convert--->mo
mo--->ir
subgraph plugins [OV Plugins]
auto(["AUTO"])
cpu(["Intel_CPU"])
gpu(["Intel_GPU"])
end
subgraph frontends [OV Frontends]
ir_fe["IR Frontend"]
onnx_fe["ONNX Frontend"]
paddle_fe["Paddle Frontend"]
end
openvino(openvino library)
ir--Read ir---ir_fe
onnx--Read onnx--- onnx_fe
paddle--Read paddle---paddle_fe
ir_fe--->openvino
onnx_fe--->openvino
paddle_fe--->openvino
openvino--infer--->cpu
openvino--infer--->gpu
openvino--infer--->auto
Get Started
OpenVINO Repository Structure
The repository is organized in such a way that the components contain all dependencies (for example, third-party, tests, documentation, and others).
The OpenVINO Repository includes the following components. Click on the component name to get more information:
openvino/ // OpenVINO Repository
.ci/ // CI settings for Azure
.github/ // Github actions and PR templates
cmake/ // Global CMake scripts
docs/ // OpenVINO documentation
licensing/ // Licenses
samples/ // OpenVINO samples
scripts/ // Helper scripts
src/ // Folder with core OpenVINO components
tests/ // Infrastructure tests which validate full pipelines
thirdparty/ // Common third-party dependencies
tools/ // OpenVINO tools
OpenVINO Component Structure
The OpenVINO component contains all dependencies (for example, third-party, tests, documentation, and others). An example component structure with comments and marks for optional folders is presented below.
ov_component/ // Component folder
cmake/ // (optional) CMake scripts that are related only to this component
dev_api/ // (optional) Developer API is used when the component provides API for internal developers
docs/ // (optional) Contains detailed component documentation
include/ // (optional) Public component API
src/ // Sources of the component
tests/ // Tests for the component
thirdparty/ // (optional) Third-party dependencies
CMakeLists.txt // Main CMake script
README.md // (optional) Entry point for the developer documentation