TensorRT Open Source Software

This repository contains the Open Source Software (OSS) components of NVIDIA TensorRT. It includes the sources for TensorRT plugins and ONNX parser, as well as sample applications demonstrating usage and capabilities of the TensorRT platform. These open source software components are a subset of the TensorRT General Availability (GA) release with some extensions and bug-fixes.

For code contributions to TensorRT-OSS, please see our Contribution Guide and Coding Guidelines.
For a summary of new additions and updates shipped with TensorRT-OSS releases, please refer to the Changelog.
For business inquiries, please contact [email protected]
For press and other inquiries, please contact Hector Marinez at [email protected]

Need enterprise support? NVIDIA global support is available for TensorRT with the NVIDIA AI Enterprise software suite. Check out NVIDIA LaunchPad for free access to a set of hands-on labs with TensorRT hosted on NVIDIA infrastructure.

Join the TensorRT and Triton community and stay current on the latest product updates, bug fixes, content, best practices, and more.

Prebuilt TensorRT Python Package

We provide the TensorRT Python package for an easy installation.
To install:

pip install tensorrt

You can skip the Build section to enjoy TensorRT with Python.

Build

Prerequisites

To build the TensorRT-OSS components, you will first need the following software packages.

TensorRT GA build

TensorRT v10.1.0.27
- Available from direct download links listed below

System Packages

CUDA
- Recommended versions:
- cuda-12.4.0 + cuDNN-8.9
- cuda-11.8.0 + cuDNN-8.9
GNU make >= v4.1
cmake >= v3.13
python >= v3.8, <= v3.10.x
pip >= v19.0
Essential utilities
- git, pkg-config, wget

Optional Packages

Containerized build
- Docker >= 19.03
- NVIDIA Container Toolkit
PyPI packages (for demo applications/tests)
- onnx
- onnxruntime
- tensorflow-gpu >= 2.5.1
- Pillow >= 9.0.1
- pycuda < 2021.1
- numpy
- pytest
Code formatting tools (for contributors)
- Clang-format
- Git-clang-format
NOTE: onnx-tensorrt, cub, and protobuf packages are downloaded along with TensorRT OSS, and not required to be installed.

Downloading TensorRT Build

Download TensorRT OSS

git clone -b main https://github.com/nvidia/TensorRT TensorRT
cd TensorRT
git submodule update --init --recursive

(Optional - if not using TensorRT container) Specify the TensorRT GA release build path

If using the TensorRT OSS build container, TensorRT libraries are preinstalled under /usr/lib/x86_64-linux-gnu and you may skip this step.

Else download and extract the TensorRT GA build from NVIDIA Developer Zone with the direct links below:
Example: Ubuntu 20.04 on x86-64 with cuda-12.4
```
cd ~/Downloads
tar -xvzf TensorRT-10.1.0.27.Linux.x86_64-gnu.cuda-12.4.tar.gz
export TRT_LIBPATH=`pwd`/TensorRT-10.1.0.27
```
Example: Windows on x86-64 with cuda-12.4
```
Expand-Archive -Path TensorRT-10.1.0.27.Windows.win10.cuda-12.4.zip
$env:TRT_LIBPATH="$pwd\TensorRT-10.1.0.27\lib"
```

Setting Up The Build Environment

For Linux platforms, we recommend that you generate a docker container for building TensorRT OSS as described below. For native builds, please install the prerequisite System Packages.

Generate the TensorRT-OSS build container.

The TensorRT-OSS build container can be generated using the supplied Dockerfiles and build scripts. The build containers are configured for building TensorRT OSS out-of-the-box.

Example: Ubuntu 20.04 on x86-64 with cuda-12.4 (default)
```
./docker/build.sh --file docker/ubuntu-20.04.Dockerfile --tag tensorrt-ubuntu20.04-cuda12.4
```
Example: Rockylinux8 on x86-64 with cuda-12.4
```
./docker/build.sh --file docker/rockylinux8.Dockerfile --tag tensorrt-rockylinux8-cuda12.4
```
Example: Ubuntu 22.04 cross-compile for Jetson (aarch64) with cuda-12.4 (JetPack SDK)
```
./docker/build.sh --file docker/ubuntu-cross-aarch64.Dockerfile --tag tensorrt-jetpack-cuda12.4
```
Example: Ubuntu 22.04 on aarch64 with cuda-12.4
```
./docker/build.sh --file docker/ubuntu-22.04-aarch64.Dockerfile --tag tensorrt-aarch64-ubuntu22.04-cuda12.4
```
Launch the TensorRT-OSS build container.

Example: Ubuntu 20.04 build container
```
./docker/launch.sh --tag tensorrt-ubuntu20.04-cuda12.4 --gpus all
```
NOTE:
1. Use the --tag corresponding to build container generated in Step 1.
2. NVIDIA Container Toolkit is required for GPU access (running TensorRT applications) inside the build container.
3. sudo password for Ubuntu build containers is 'nvidia'.
4. Specify port number using --jupyter <port> for launching Jupyter notebooks.

Building TensorRT-OSS

Generate Makefiles and build.

Example: Linux (x86-64) build with default cuda-12.4

 cd $TRT_OSSPATH
 mkdir -p build && cd build
 cmake .. -DTRT_LIB_DIR=$TRT_LIBPATH -DTRT_OUT_DIR=`pwd`/out
 make -j$(nproc)

Example: Linux (aarch64) build with default cuda-12.4

 cd $TRT_OSSPATH
 mkdir -p build && cd build
 cmake .. -DTRT_LIB_DIR=$TRT_LIBPATH -DTRT_OUT_DIR=`pwd`/out -DCMAKE_TOOLCHAIN_FILE=$TRT_OSSPATH/cmake/toolchains/cmake_aarch64-native.toolchain
 make -j$(nproc)

Example: Native build on Jetson (aarch64) with cuda-12.4

 cd $TRT_OSSPATH
 mkdir -p build && cd build
 cmake .. -DTRT_LIB_DIR=$TRT_LIBPATH -DTRT_OUT_DIR=`pwd`/out -DTRT_PLATFORM_ID=aarch64 -DCUDA_VERSION=12.4
CC=/usr/bin/gcc make -j$(nproc)

NOTE: C compiler must be explicitly specified via CC= for native aarch64 builds of protobuf.

Example: Ubuntu 22.04 Cross-Compile for Jetson (aarch64) with cuda-12.4 (JetPack)

 cd $TRT_OSSPATH
 mkdir -p build && cd build
 cmake .. -DCMAKE_TOOLCHAIN_FILE=$TRT_OSSPATH/cmake/toolchains/cmake_aarch64.toolchain -DCUDA_VERSION=12.4 -DCUDNN_LIB=/pdk_files/cudnn/usr/lib/aarch64-linux-gnu/libcudnn.so -DCUBLAS_LIB=/usr/local/cuda-12.4/targets/aarch64-linux/lib/stubs/libcublas.so -DCUBLASLT_LIB=/usr/local/cuda-12.4/targets/aarch64-linux/lib/stubs/libcublasLt.so -DTRT_LIB_DIR=/pdk_files/tensorrt/lib
 make -j$(nproc)

Example: Native builds on Windows (x86) with cuda-12.4

 cd $TRT_OSSPATH
 mkdir -p build
 cd -p build
 cmake .. -DTRT_LIB_DIR="$env:TRT_LIBPATH" -DCUDNN_ROOT_DIR="$env:CUDNN_PATH" -DTRT_OUT_DIR="$pwd\\out"
 msbuild TensorRT.sln /property:Configuration=Release -m:$env:NUMBER_OF_PROCESSORS

NOTE:
1. The default CUDA version used by CMake is 12.4.0. To override this, for example to 11.8, append -DCUDA_VERSION=11.8 to the cmake command.

Required CMake build arguments are:
- TRT_LIB_DIR: Path to the TensorRT installation directory containing libraries.
- TRT_OUT_DIR: Output directory where generated build artifacts will be copied.
Optional CMake build arguments:
- CMAKE_BUILD_TYPE: Specify if binaries generated are for release or debug (contain debug symbols). Values consists of [Release] | Debug
- CUDA_VERSION: The version of CUDA to target, for example [11.7.1].
- CUDNN_VERSION: The version of cuDNN to target, for example [8.6].
- PROTOBUF_VERSION: The version of Protobuf to use, for example [3.0.0]. Note: Changing this will not configure CMake to use a system version of Protobuf, it will configure CMake to download and try building that version.
- CMAKE_TOOLCHAIN_FILE: The path to a toolchain file for cross compilation.
- BUILD_PARSERS: Specify if the parsers should be built, for example [ON] | OFF. If turned OFF, CMake will try to find precompiled versions of the parser libraries to use in compiling samples. First in ${TRT_LIB_DIR}, then on the system. If the build type is Debug, then it will prefer debug builds of the libraries before release versions if available.
- BUILD_PLUGINS: Specify if the plugins should be built, for example [ON] | OFF. If turned OFF, CMake will try to find a precompiled version of the plugin library to use in compiling samples. First in ${TRT_LIB_DIR}, then on the system. If the build type is Debug, then it will prefer debug builds of the libraries before release versions if available.
- BUILD_SAMPLES: Specify if the samples should be built, for example [ON] | OFF.
- GPU_ARCHS: GPU (SM) architectures to target. By default we generate CUDA code for all major SMs. Specific SM versions can be specified here as a quoted space-separated list to reduce compilation time and binary size. Table of compute capabilities of NVIDIA GPUs can be found here. Examples:
  - NVidia A100: -DGPU_ARCHS="80"
  - Tesla T4, GeForce RTX 2080: -DGPU_ARCHS="75"
  - Titan V, Tesla V100: -DGPU_ARCHS="70"
  - Multiple SMs: -DGPU_ARCHS="80 75"
- TRT_PLATFORM_ID: Bare-metal build (unlike containerized cross-compilation). Currently supported options: x86_64 (default).

References

TensorRT Resources

Known Issues

Please refer to TensorRT Release Notes

Name		Name	Last commit message	Last commit date
Latest commit History 546 Commits
.github		.github
cmake		cmake
demo		demo
docker		docker
include		include
parsers		parsers
plugin		plugin
python		python
quickstart		quickstart
samples		samples
scripts		scripts
third_party		third_party
tools		tools
.clang-format		.clang-format
.dockerignore		.dockerignore
.gitignore		.gitignore
.gitmodules		.gitmodules
CHANGELOG.md		CHANGELOG.md
CMakeLists.txt		CMakeLists.txt
CODING-GUIDELINES.md		CODING-GUIDELINES.md
CONTRIBUTING.md		CONTRIBUTING.md
LICENSE		LICENSE
NOTICE		NOTICE
README.md		README.md
VERSION		VERSION
requirements.txt		requirements.txt

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TensorRT Open Source Software

Prebuilt TensorRT Python Package

Build

Prerequisites

Downloading TensorRT Build

Download TensorRT OSS

(Optional - if not using TensorRT container) Specify the TensorRT GA release build path

Setting Up The Build Environment

Generate the TensorRT-OSS build container.

Launch the TensorRT-OSS build container.

Building TensorRT-OSS

References

TensorRT Resources

Known Issues

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TensorRT Open Source Software

Prebuilt TensorRT Python Package

Build

Prerequisites

Downloading TensorRT Build

Download TensorRT OSS

(Optional - if not using TensorRT container) Specify the TensorRT GA release build path

Setting Up The Build Environment

Generate the TensorRT-OSS build container.

Launch the TensorRT-OSS build container.

Building TensorRT-OSS

References

TensorRT Resources

Known Issues

About

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