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tlwu/
sdxl-turbo-onnxruntime

Name: sdxl-turbo-onnxruntime
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stabilityai/sdxl-turbo

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Stable Diffusion XL Turbo for ONNX Runtime CUDA

Introduction

This repository hosts the optimized onnx models of SDXL Turbo to accelerate inference with ONNX Runtime CUDA execution provider for Nvidia GPUs. It cannot run in other providers like CPU or DirectML.

The models are generated by Olive with command like the following:

python stable_diffusion_xl.py --provider cuda --model_id stabilityai/sdxl-turbo --optimize --use_fp16_fixed_vae

See the usage instructions for how to run the SDXL pipeline with the ONNX files hosted in this repository.

Model Description

Developed by: Stability AI
Model type: Diffusion-based text-to-image generative model
License: STABILITY AI NON-COMMERCIAL RESEARCH COMMUNITY LICENSE
Model Description: This is a conversion of the SDXL-Turbo model for ONNX Runtime inference with CUDA execution provider.

The VAE decoder is converted from sdxl-vae-fp16-fix. There are slight discrepancies between its output and that of the original VAE, but the decoded images should be close enough for most purposes.

Usage Example

Following the demo instructions. Example steps:

Install nvidia-docker using these instructions.
Clone onnxruntime repository.

shell

git clone https://github.com/microsoft/onnxruntime
cd onnxruntime

Download the SDXL ONNX files from this repo

shell

git lfs install
git clone https://huggingface.co/tlwu/sdxl-turbo-onnxruntime

Launch the docker

docker run --rm -it --gpus all -v $PWD:/workspace nvcr.io/nvidia/pytorch:23.10-py3 /bin/bash

Build ONNX Runtime from source

shell

export CUDACXX=/usr/local/cuda-12.2/bin/nvcc
git config --global --add safe.directory '*'
sh build.sh --config Release  --build_shared_lib --parallel --use_cuda --cuda_version 12.2 \
            --cuda_home /usr/local/cuda-12.2 --cudnn_home /usr/lib/x86_64-linux-gnu/ --build_wheel --skip_tests \
            --use_tensorrt --tensorrt_home /usr/src/tensorrt \
            --cmake_extra_defines onnxruntime_BUILD_UNIT_TESTS=OFF \
            --cmake_extra_defines CMAKE_CUDA_ARCHITECTURES=80 \
            --allow_running_as_root
python3 -m pip install build/Linux/Release/dist/onnxruntime_gpu-*-cp310-cp310-linux_x86_64.whl --force-reinstall

If the GPU is not A100, change CMAKE_CUDA_ARCHITECTURES=80 in the command line according to the GPU compute capacity (like 89 for RTX 4090, or 86 for RTX 3090). If your machine has less than 64GB memory, replace --parallel by --parallel 4 --nvcc_threads 1 to avoid out of memory.

Install libraries and requirements

shell

python3 -m pip install --upgrade pip
cd /workspace/onnxruntime/python/tools/transformers/models/stable_diffusion
python3 -m pip install -r requirements-cuda12.txt
python3 -m pip install --upgrade polygraphy onnx-graphsurgeon --extra-index-url https://pypi.ngc.nvidia.com

Perform ONNX Runtime optimized inference

shell

python3 demo_txt2img_xl.py \
  "starry night over Golden Gate Bridge by van gogh" \
  --version xl-turbo   \
  --engine-dir /workspace/sdxl-turbo-onnxruntime