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Build from Script

Through user investigation, we know that most users are already familiar with python and torch before using mmdeploy. Therefore we provide scripts to simplify mmdeploy installation.

Assuming you have a python ready (whether conda or pyenv), run this script to install mmdeploy + ncnn backend, nproc is not compulsory.

$ cd /path/to/mmdeploy
$ python3 tools/scripts/build_ubuntu_x64_ncnn.py $(nproc)
..

A sudo password may be required during this time, and the script will try its best to build and install mmdeploy SDK and demo:

  • Detect host OS version, make job number, whether use root and try to fix python3 -m pip
  • Find the necessary basic tools, such as g++-7, cmake, wget, etc.
  • Compile necessary dependencies, such as pyncnn, protobuf

The script will also try to avoid affecting host environment:

  • The dependencies of source code compilation are placed in the mmdeploy-dep directory at the same level as mmdeploy
  • The script would not modify variables such as PATH, LD_LIBRARY_PATH, PYTHONPATH, etc.
  • The environment variables that need to be modified will be printed, please pay attention to the final output

The script will eventually execute python3 tools/check_env.py, the successful installation should display the version number of the corresponding backend and ops_is_available: True, for example:

$ python3 tools/check_env.py
..
2022-09-13 14:49:13,767 - mmdeploy - INFO - **********Backend information**********
2022-09-13 14:49:14,116 - mmdeploy - INFO - onnxruntime: 1.8.0	ops_is_avaliable : True
2022-09-13 14:49:14,131 - mmdeploy - INFO - tensorrt: 8.4.1.5	ops_is_avaliable : True
2022-09-13 14:49:14,139 - mmdeploy - INFO - ncnn: 1.0.20220901	ops_is_avaliable : True
2022-09-13 14:49:14,150 - mmdeploy - INFO - pplnn_is_avaliable: True
..

Here is the verified installation script. If you want mmdeploy to support multiple backends at the same time, you can execute each script once:

script OS version
build_ubuntu_x64_ncnn.py 18.04/20.04
build_ubuntu_x64_ort.py 18.04/20.04
build_ubuntu_x64_pplnn.py 18.04/20.04
build_ubuntu_x64_torchscript.py 18.04/20.04