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Note

This repository is no longer maintained and has been moved to https://github.com/airockchip/rknn-toolkit2/ . 本仓库不再维护，已经移到https://github.com/airockchip/rknn-toolkit2 。

Description

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.

Support Platform

  • RK3566/RK3568 Series
  • RK3588 Series
  • RK3562 Series
  • RV1103/RV1106

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

Download

  • You can also download all packages, docker image, examples, docs and platform-tools from RKNPU2_SDK, fetch code: rknn
  • You can get more examples from rknn mode zoo

Notes

  • RKNN-Toolkit2 is not compatible with RKNN-Toolkit
  • Currently only support on:
    • Ubuntu 18.04 python 3.6/3.7
    • Ubuntu 20.04 python 3.8/3.9
    • Ubuntu 22.04 python 3.10/3.11
  • Latest version:1.6.0(Release version)

CHANGELOG

1.6.0

  • Support ONNX model of OPSET 12~19
  • Support custom operators (including CPU and GPU)
  • Optimization operators support such as dynamic weighted convolution, Layernorm, RoiAlign, Softmax, ReduceL2, Gelu, GLU, etc.
  • Added support for python3.7/3.9/3.11
  • Add rknn_convert function
  • Optimize transformer support
  • Optimize the MatMul API, such as increasing the K limit length, RK3588 adding int4 * int4 -> int16 support, etc.
  • Optimize RV1106 rknn_init initialization time, memory consumption, etc.
  • RV1106 adds int16 support for some operators
  • Fixed the problem that the convolution operator of RV1106 platform may make random errors in some cases.
  • Optimize user manual
  • Reconstruct the rknn model zoo and add support for multiple models such as detection, segmentation, OCR, and license plate recognition.

for older version, please refer CHANGELOG

Feedback and Community Support

  • Redmine (Feedback recommended, Please consult our sales or FAE for the redmine account)
  • QQ Group Chat: 1025468710 (full, please join group 3)
  • QQ Group Chat2: 547021958 (full, please join group 3)
  • QQ Group Chat3: 469385426