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Xilinx® Vitis™ AI is a development stack for AI inference on Xilinx hardware platforms, including both edge devices and Alveo cards.

It consists of optimized IP, tools, libraries, models, and example designs. It is designed with high efficiency and ease of use in mind, unleashing the full potential of AI acceleration on Xilinx FPGA and ACAP.



Vitis AI is composed of the following key components:
  • AI Model Zoo - A comprehensive set of pre-optimized models that are ready to deploy on Xilinx devices.
  • AI Optimizer - An optional model optimizer that can prune a model by up to 90%. It is separately available with commercial licenses.
  • AI Quantizer - A powerful quantizer that supports model quantization, calibration, and fine tuning.
  • AI Compiler - Compiles the quantized model to a high-efficient instruction set and data flow.
  • AI Profiler - Perform an in-depth analysis of the efficiency and utilization of AI inference implementation.
  • AI Library - Offers high-level yet optimized C++ APIs for AI applications from edge to cloud.
  • DPU - Efficient and scalable IP cores can be customized to meet the needs for many different applications.
    • For more details on the different DPUs available, refer to DPU Naming.

Learn More: Vitis AI Overview

See What's New

  • Release Notes
  • Added support for Pytorch and Tensorflow 2.3 frameworks
  • Added more ready-to-use AI models for a wider range of applications, including 3D point cloud detection and segmentation, COVID-19 chest image segmentation and other reference models
  • Unified XIR-based compilation flow from edge to cloud
  • Vitis AI Runtime (VART) fully open source
  • New RNN overlay for NLP applications
  • New CNN DPUs for the low-latency and higher throughput applications on Alveo cards
  • EoU enhancement with Beta version model partitioning and custom layer/operators plug-in

Getting Started

Two options are available for installing the containers with the Vitis AI tools and resources.

Installation

Using Pre-built Docker

Download the latest Vitis AI Docker with the following command. This container runs on CPU.

docker pull xilinx/vitis-ai-cpu:latest  

To run the docker, use command:

./docker_run.sh xilinx/vitis-ai-cpu:latest

Building Docker from Recipe

There are two types of docker recipes provided - CPU recipe and GPU recipe. If you have a compatible nVidia graphics card with CUDA support, you could use GPU recipe; otherwise you could use CPU recipe.

CPU Docker

Use below commands to build the CPU docker:

cd setup/docker
./docker_build_cpu.sh

To run the CPU docker, use command:

./docker_run.sh xilinx/vitis-ai-cpu:latest

GPU Docker

Use below commands to build the GPU docker:

cd setup/docker
./docker_build_gpu.sh

To run the GPU docker, use command:

./docker_run.sh xilinx/vitis-ai-gpu:latest

Please use the file ./docker_run.sh as a reference for the docker launching scripts, you could make necessary modification to it according to your needs. More Detail can be found here: Run Docker Container

X11 Support for Running Vitis AI Docker with Alveo

If you are running Vitis AI docker with Alveo card and want to use X11 support for graphics (for example, some demo applications in VART and Vitis-AI-Library for Alveo need to display images or video), please add following line into the docker_run_params variable definition in docker_run.sh script:

-e DISPLAY=$DISPLAY -v /tmp/.X11-unix:/tmp/.X11-unix -v $HOME/.Xauthority:/tmp/.Xauthority \

And after the docker starts up, run following command lines:

cp /tmp/.Xauthority ~/
sudo chown vitis-ai-user:vitis-ai-group ~/.Xauthority

Please note before running this script, please make sure either you have local X11 server running if you are using Windows based ssh terminal to connect to remote server, or you have run xhost + command at a command terminal if you are using Linux with Desktop. Also if you are using ssh to connect to the remote server, remember to enable X11 Forwarding option either with Windows ssh tools setting or with -X options in ssh command line.

Get Started with Examples

Programming with Vitis AI

Vitis AI offers a unified set of high-level C++/Python programming APIs to run AI applications across edge-to-cloud platforms, including DPU for Alveo, and DPU for Zynq Ultrascale+ MPSoC and Zynq-7000. It brings the benefits to easily port AI applications from cloud to edge and vice versa. 8 samples in VART Samples are available to help you get familiar with the unfied programming APIs.

ID Example Name Models Framework Notes
1 resnet50 ResNet50 Caffe Image classification with VART C++ APIs.
2 resnet50_mt_py ResNet50 TensorFlow Multi-threading image classification with VART Python APIs.
3 inception_v1_mt_py Inception-v1 TensorFlow Multi-threading image classification with VART Python APIs.
4 pose_detection SSD, Pose detection Caffe Pose detection with VART C++ APIs.
5 video_analysis SSD Caffe Traffic detection with VART C++ APIs.
6 adas_detection YOLO-v3 Caffe ADAS detection with VART C++ APIs.
7 segmentation FPN Caffe Semantic segmentation with VART C++ APIs.
8 squeezenet_pytorch Squeezenet Pytorch Image classification with VART C++ APIs.

For more information, please refer to Vitis AI User Guide

References

System Requirements

Questions and Support

About

Vitis AI is Xilinx’s development stack for AI inference on Xilinx hardware platforms, including both edge devices and Alveo cards.

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