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RKNN software stack can help users to quickly deploy AI models to Rockchip chips. The overall framework is as follows:

In order to use RKNPU, users need to first run the RKNN-Toolkit2 tool on the computer, convert the trained model into an RKNN format model, and then inference on the development board using the RKNN C API or Python API.

• RKNN-Toolkit2 is a software development kit for users to perform model conversion, inference and performance evaluation on PC and Rockchip NPU platforms.

• RKNN-Toolkit-Lite2 provides Python programming interfaces for Rockchip NPU platform to help users deploy RKNN models and accelerate the implementation of AI applications.

• RKNN Runtime provides C/C++ programming interfaces for Rockchip NPU platform to help users deploy RKNN models and accelerate the implementation of AI applications.

• RKNPU kernel driver is responsible for interacting with NPU hardware. It has been open source and can be found in the Rockchip kernel code.

• RK3588 Series
• RK3576 Series
• RK3566/RK3568 Series
• RK3562 Series
• RV1103/RV1106
• RV1103B/RV1106B
• RV1126B
• RK2118

Note:

​For RK1808/RV1109/RV1126/RK3399Pro, please refer to :

​https://github.com/airockchip/rknn-toolkit

​https://github.com/airockchip/rknpu

​https://github.com/airockchip/RK3399Pro_npu

• You can also download all packages, docker image, examples, docs and platform-tools fromRKNPU2_SDK, fetch code: rknn
• You can get more examples fromrknn mode zoo

• RKNN-Toolkit2 is not compatible withRKNN-Toolkit
• The supported Python versions are:
  • Python 3.6
  • Python 3.7
  • Python 3.8
  • Python 3.9
  • Python 3.10
  • Python 3.11
  • Python 3.12
• Latest version:v2.3.2

If you want to deploy LLM (Large Language Model), we have introduced a new SDK called RKNN-LLM. For details, please refer to:

https://github.com/airockchip/rknn-llm

• Support for RV1126B platform
• Improved einsum and Norm operations support
• Added automatic mixed precision functionality
• Enhanced graph optimization capabilities

for older version, please referCHANGELOG

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