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CV-CUDA™ for Pascal(sm61) and lower version of gcc

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CV-CUDA

CV-CUDA(0.5.0) for Pascal(sm>=6.1) and lower version gcc

Note : Not all CUDA code is guaranteed to run properly on sm61. Please verify before use. The following function list cannot be used under sm61:

  • (need add here)

build

Step 1

git clone [email protected]:torchpipe/CV-CUDA.git
git submodule update --init

img_name=nvcr.io/nvidia/cuda:11.6.2-cudnn8-devel-ubuntu20.04

docker run  --name=cvcuda_fork   --network=host --gpus=all  --ulimit memlock=-1 --ulimit stack=67108864  --privileged=true  -v `pwd`:/workspace  -w/workspace  -it $img_name  /bin/bash 

Step 2

source build_env.sh
./ci/build.sh

ls -alh build-rel/lib/

Step 3 (optinal) pack

cd build-rel
cpack . -G TXZ

ls -alh nvcv-*
    

direct download

see https://github.com/torchpipe/CV-CUDA/releases

CV-CUDA was used by torchpipe with concurrent cuda streams and libtorch Interface.

original readme

License

Version

Platform

Cuda GCC Python CMake

CV-CUDA is an open-source project that enables building efficient cloud-scale Artificial Intelligence (AI) imaging and computer vision (CV) applications. It uses graphics processing unit (GPU) acceleration to help developers build highly efficient pre- and post-processing pipelines. CV-CUDA originated as a collaborative effort between NVIDIA and ByteDance.

Refer to our Developer Guide for more information on the operators available as of release v0.5.0-beta.

Getting Started

To get a local copy up and running follow these steps.

Pre-requisites

  • Linux distro:
    • Ubuntu x86_64 >= 20.04
    • WSL2 with Ubuntu >= 20.04 (tested with 20.04)
  • NVIDIA driver
    • Linux: Driver version 520.56.06 or higher
  • CUDA Toolkit
    • Version 11.7 or above. (12.0 is not yet tested.)
  • GCC >= 11.0
  • Python >= 3.8
  • cmake >= 3.20

Installation

The following steps describe how to install CV-CUDA from pre-built install packages. Choose the installation method that meets your environment needs.

Tar File Installation

tar -xvf nvcv-lib-0.5.0-cuda11-x86_64-linux.tar.xz
tar -xvf nvcv-dev-0.5.0-cuda11-x86_64-linux.tar.xz

DEB File Installation

sudo apt-get install -y ./nvcv-lib-0.5.0-cuda11-x86_64-linux.deb ./nvcv-dev-0.5.0-cuda11-x86_64-linux.deb

Python WHL File Installation

pip install nvcv_python-0.5.0-cp38-cp38-linux_x86_64.whl

Build from Source

Building CV-CUDA from source allows for customization and is essential for contributing to the project. Here are detailed steps to guide you through the process:

1. Repository Setup

Before you begin, ensure you have cloned the CV-CUDA repository to your local machine. Let's assume you've cloned it into ~/cvcuda.

  • Initialize the Repository: After cloning, initialize the repository to configure it correctly. This setup is required only once.

    cd ~/cvcuda
    ./init_repo.sh

2. Install Build Dependencies

CV-CUDA requires several dependencies to build from source. The following steps are based on Ubuntu 22.04, but similar packages can be found for other distributions.

  • Install Essential Packages: These include the compiler, build system, and necessary libraries.

    sudo apt-get install -y g++-11 cmake ninja-build python3-dev libssl-dev
  • CUDA Toolkit: The CUDA Toolkit is essential for GPU acceleration. Although any 11.x version is compatible, 11.7 is recommended.

    sudo apt-get install -y cuda-minimal-build-11-7

3. Build Process

Once the dependencies are in place, you can proceed to build CV-CUDA.

  • Run Build Script: A build script is provided to simplify the compilation process. It creates a build tree and compiles the source code.

    ci/build.sh

    This script creates a release build by default, placing output in build-rel. You can specify a debug build or a different output directory:

    ci/build.sh [release|debug] [output build tree path]

4. Build Documentation (Optional)

If you need to build the documentation, additional dependencies are required:

  • Install Documentation Dependencies: These tools are used to generate and format the documentation.

    sudo apt-get install -y doxygen graphviz python3 python3-pip
    sudo python3 -m pip install sphinx==4.5.0 breathe exhale recommonmark graphviz sphinx-rtd-theme
  • Generate Documentation: Use the provided script to build the documentation.

    ci/build_docs.sh [build folder]

    For example:

    ci/build_docs.sh build_docs

5. Build and Run Samples (Optional)

CV-CUDA comes with a variety of samples to demonstrate its capabilities.

  • See the Samples Documentation: Detailed instructions for building and running samples are available in the Samples documentation.

6. Running Tests

To ensure everything is working as expected, you can run CV-CUDA's test suite.

  • Install Test Dependencies: These are necessary to run the Python binding tests.

    sudo apt-get install -y python3 python3-pip
    sudo python3 -m pip install pytest torch
  • Execute Tests: Run the test scripts located in the build tree.

    build-rel/bin/run_tests.sh

7. Packaging

After a successful build, you can create installers using cpack.

  • Generate Installers: This step produces Debian packages and tarballs, suitable for distribution or installation on other systems.

    cd build-rel
    cpack .

    For specific installer types:

    cpack . -G [DEB|TXZ]
    • DEB for Debian packages.
    • TXZ for .tar.xz tarballs.

Contributing

CV-CUDA is an open source project. As part of the Open Source Community, we are committed to the cycle of learning, improving, and updating that makes this community thrive. However, as of release v0.5.0-beta, CV-CUDA is not yet ready for external contributions.

To understand the process for contributing the CV-CUDA, see our Contributing page. To understand our committment to the Open Source Community, and providing an environment that both supports and respects the efforts of all contributors, please read our Code of Conduct.

CV-CUDA Make Operator Tool

The mkop.sh script is a powerful tool for creating a scaffold for new operators in the CV-CUDA library. It automates several tasks, ensuring consistency and saving time.

Features of mkop.sh:

  1. Operator Stub Creation: Generates no-op (no-operation) operator templates, which serve as a starting point for implementing new functionalities.

  2. File Customization: Modifies template files to include the new operator's name, ensuring consistent naming conventions across the codebase.

  3. CMake Integration: Adds the new operator files to the appropriate CMakeLists, facilitating seamless compilation and integration into the build system.

  4. Python Bindings: Creates Python wrapper stubs for the new operator, allowing it to be used within Python environments.

  5. Test Setup: Generates test files for both C++ and Python, enabling immediate development of unit tests for the new operator.

How to Use mkop.sh:

Run the script with the desired operator name. The script assumes it's located in /cvcuda/tools/mkop.

./mkop.sh [Operator Name]

If the script is run from a different location, provide the path to the CV-CUDA root directory.

./mkop.sh [Operator Name] [CV-CUDA root]

NOTE: The first letter of the new operator name is captitalized where needed to match the rest of the file structures.

Process Details:

  • Initial Setup: The script begins by validating the input and setting up necessary variables. It then capitalizes the first letter of the operator name to adhere to naming conventions.

  • Template Modification: It processes various template files (Public.h, PrivateImpl.cpp, etc.), replacing placeholders with the new operator name. This includes adjusting file headers, namespaces, and function signatures.

  • CMake and Python Integration: The script updates CMakeLists.txt files and Python module files to include the new operator, ensuring it's recognized by the build system and Python interface.

  • Testing Framework: Finally, it sets up test files for both C++ and Python, allowing developers to immediately start writing tests for the new operator.

License

CV-CUDA operates under the Apache-2.0 license.

Security

CV-CUDA, as a NVIDIA program, is committed to secure development practices. Please read our Security page to learn more.

Acknowledgements

CV-CUDA is developed jointly by NVIDIA and ByteDance.

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