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Stable-Diffusion-v2.1

Unconditional Image Generation
PyTorch
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android
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Stable-Diffusion-v2.1
File size: 19,229 Bytes
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---
library_name: pytorch
license: other
tags:
- generative_ai
- android
pipeline_tag: unconditional-image-generation

---

![](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/stable_diffusion_v2_1/web-assets/model_demo.png)

# Stable-Diffusion-v2.1: Optimized for Qualcomm Devices

Generates high resolution images from text prompts using a latent diffusion model. This model uses CLIP ViT-L/14 as text encoder, U-Net based latent denoising, and VAE based decoder to generate the final image.

This is based on the implementation of Stable-Diffusion-v2.1 found [here](https://github.com/CompVis/stable-diffusion/tree/main).
This repository contains pre-exported model files optimized for Qualcomm® devices. You can use the [Qualcomm® AI Hub Models](https://github.com/qualcomm/ai-hub-models/blob/v0.59.0/src/qai_hub_models/models/stable_diffusion_v2_1) library to export with custom configurations. More details on model performance across various devices, can be found [here](#performance-summary).

Qualcomm AI Hub Models uses [Qualcomm AI Hub Workbench](https://workbench.aihub.qualcomm.com) to compile, profile, and evaluate this model. [Sign up](https://myaccount.qualcomm.com/signup) to run these models on a hosted Qualcomm® device.

## Deploy to Snapdragon X Elite NPU
Please follow the [Stable Diffusion Windows App](https://github.com/quic/ai-hub-apps/tree/main/apps/windows/python/StableDiffusion) tutorial to quantize model with custom weights.

## Quantize and Deploy Your Own Fine-Tuned Stable Diffusion

Please follow the [Quantize Stable Diffusion]({REPOSITORY_URL}/tutorials/stable_diffusion/quantize_stable_diffusion.md) tutorial to quantize model with custom weights.

## Getting Started
There are two ways to deploy this model on your device:

### Option 1: Download Pre-Exported Models

Below are pre-exported model assets ready for deployment.

| Runtime | Precision | Chipset | SDK Versions | Download |
|---|---|---|---|---|
| PRECOMPILED_QNN_ONNX | w8a16 | Snapdragon® X2 Elite | QAIRT 2.45, ONNX Runtime 1.27.1 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/stable_diffusion_v2_1/releases/v0.59.0/stable_diffusion_v2_1-precompiled_qnn_onnx-w8a16-qualcomm_snapdragon_x2_elite.zip)
| PRECOMPILED_QNN_ONNX | w8a16 | Snapdragon® X Elite | QAIRT 2.45, ONNX Runtime 1.27.1 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/stable_diffusion_v2_1/releases/v0.59.0/stable_diffusion_v2_1-precompiled_qnn_onnx-w8a16-qualcomm_snapdragon_x_elite.zip)
| PRECOMPILED_QNN_ONNX | w8a16 | Snapdragon® 8 Gen 3 Mobile | QAIRT 2.45, ONNX Runtime 1.27.1 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/stable_diffusion_v2_1/releases/v0.59.0/stable_diffusion_v2_1-precompiled_qnn_onnx-w8a16-qualcomm_snapdragon_8gen3.zip)
| PRECOMPILED_QNN_ONNX | w8a16 | Qualcomm® Dragonwing™ QCS8550 (Proxy) | QAIRT 2.45, ONNX Runtime 1.27.1 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/stable_diffusion_v2_1/releases/v0.59.0/stable_diffusion_v2_1-precompiled_qnn_onnx-w8a16-qualcomm_qcs8550_proxy.zip)
| PRECOMPILED_QNN_ONNX | w8a16 | Qualcomm® Dragonwing™ Q-6690 | QAIRT 2.45, ONNX Runtime 1.27.1 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/stable_diffusion_v2_1/releases/v0.59.0/stable_diffusion_v2_1-precompiled_qnn_onnx-w8a16-qualcomm_qcm6690.zip)
| PRECOMPILED_QNN_ONNX | w8a16 | Qualcomm® Dragonwing™ IQ-9075 | QAIRT 2.45, ONNX Runtime 1.27.1 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/stable_diffusion_v2_1/releases/v0.59.0/stable_diffusion_v2_1-precompiled_qnn_onnx-w8a16-qualcomm_qcs9075.zip)
| PRECOMPILED_QNN_ONNX | w8a16 | Snapdragon® 7 Gen 4 Mobile | QAIRT 2.45, ONNX Runtime 1.27.1 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/stable_diffusion_v2_1/releases/v0.59.0/stable_diffusion_v2_1-precompiled_qnn_onnx-w8a16-qualcomm_snapdragon_7gen4.zip)
| PRECOMPILED_QNN_ONNX | w8a16 | Snapdragon® 8 Elite Mobile | QAIRT 2.45, ONNX Runtime 1.27.1 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/stable_diffusion_v2_1/releases/v0.59.0/stable_diffusion_v2_1-precompiled_qnn_onnx-w8a16-qualcomm_snapdragon_8_elite_for_galaxy.zip)
| PRECOMPILED_QNN_ONNX | w8a16 | Snapdragon® 8 Elite Gen 5 Mobile | QAIRT 2.45, ONNX Runtime 1.27.1 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/stable_diffusion_v2_1/releases/v0.59.0/stable_diffusion_v2_1-precompiled_qnn_onnx-w8a16-qualcomm_snapdragon_8_elite_gen5_for_galaxy.zip)
| QNN_CONTEXT_BINARY | w8a16 | Snapdragon® X2 Elite | QAIRT 2.45 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/stable_diffusion_v2_1/releases/v0.59.0/stable_diffusion_v2_1-qnn_context_binary-w8a16-qualcomm_snapdragon_x2_elite.zip)
| QNN_CONTEXT_BINARY | w8a16 | Snapdragon® X Elite | QAIRT 2.45 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/stable_diffusion_v2_1/releases/v0.59.0/stable_diffusion_v2_1-qnn_context_binary-w8a16-qualcomm_snapdragon_x_elite.zip)
| QNN_CONTEXT_BINARY | w8a16 | Snapdragon® 8 Gen 3 Mobile | QAIRT 2.45 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/stable_diffusion_v2_1/releases/v0.59.0/stable_diffusion_v2_1-qnn_context_binary-w8a16-qualcomm_snapdragon_8gen3.zip)
| QNN_CONTEXT_BINARY | w8a16 | Qualcomm® Dragonwing™ QCS8550 (Proxy) | QAIRT 2.45 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/stable_diffusion_v2_1/releases/v0.59.0/stable_diffusion_v2_1-qnn_context_binary-w8a16-qualcomm_qcs8550_proxy.zip)
| QNN_CONTEXT_BINARY | w8a16 | Qualcomm® SA8775P | QAIRT 2.45 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/stable_diffusion_v2_1/releases/v0.59.0/stable_diffusion_v2_1-qnn_context_binary-w8a16-qualcomm_sa8775p.zip)
| QNN_CONTEXT_BINARY | w8a16 | Qualcomm® Dragonwing™ Q-6690 | QAIRT 2.45 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/stable_diffusion_v2_1/releases/v0.59.0/stable_diffusion_v2_1-qnn_context_binary-w8a16-qualcomm_qcm6690.zip)
| QNN_CONTEXT_BINARY | w8a16 | Qualcomm® Dragonwing™ IQ-9075 | QAIRT 2.45 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/stable_diffusion_v2_1/releases/v0.59.0/stable_diffusion_v2_1-qnn_context_binary-w8a16-qualcomm_qcs9075.zip)
| QNN_CONTEXT_BINARY | w8a16 | Qualcomm® SA7255P | QAIRT 2.45 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/stable_diffusion_v2_1/releases/v0.59.0/stable_diffusion_v2_1-qnn_context_binary-w8a16-qualcomm_sa7255p.zip)
| QNN_CONTEXT_BINARY | w8a16 | Snapdragon® 7 Gen 4 Mobile | QAIRT 2.45 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/stable_diffusion_v2_1/releases/v0.59.0/stable_diffusion_v2_1-qnn_context_binary-w8a16-qualcomm_snapdragon_7gen4.zip)
| QNN_CONTEXT_BINARY | w8a16 | Snapdragon® 8 Elite Mobile | QAIRT 2.45 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/stable_diffusion_v2_1/releases/v0.59.0/stable_diffusion_v2_1-qnn_context_binary-w8a16-qualcomm_snapdragon_8_elite_for_galaxy.zip)
| QNN_CONTEXT_BINARY | w8a16 | Snapdragon® 8 Elite Gen 5 Mobile | QAIRT 2.45 | [Download](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/stable_diffusion_v2_1/releases/v0.59.0/stable_diffusion_v2_1-qnn_context_binary-w8a16-qualcomm_snapdragon_8_elite_gen5_for_galaxy.zip)

For more device-specific assets and performance metrics, visit **[Stable-Diffusion-v2.1 on Qualcomm® AI Hub](https://aihub.qualcomm.com/models/stable_diffusion_v2_1)**.


### Option 2: Export with Custom Configurations

Use the [Qualcomm® AI Hub Models](https://github.com/qualcomm/ai-hub-models/blob/v0.59.0/src/qai_hub_models/models/stable_diffusion_v2_1) Python library to compile and export the model with your own:
- Custom weights (e.g., fine-tuned checkpoints)
- Custom input shapes
- Target device and runtime configurations

This option is ideal if you need to customize the model beyond the default configuration provided here.

See our repository for [Stable-Diffusion-v2.1 on GitHub](https://github.com/qualcomm/ai-hub-models/blob/v0.59.0/src/qai_hub_models/models/stable_diffusion_v2_1) for usage instructions.

## Model Details

**Model Type:** Model_use_case.image_generation

**Model Stats:**
- Input: Text prompt to generate image

## Performance Summary
| Model | Runtime | Precision | Chipset | Inference Time (ms) | Peak Memory Range (MB) | Primary Compute Unit
|---|---|---|---|---|---|---
| text_encoder | PRECOMPILED_QNN_ONNX | w8a16 | Snapdragon® X2 Elite | 3.741 ms | 1 - 1 MB | NPU
| text_encoder | PRECOMPILED_QNN_ONNX | w8a16 | Snapdragon® X Elite | 7.599 ms | 418 - 418 MB | NPU
| text_encoder | PRECOMPILED_QNN_ONNX | w8a16 | Snapdragon® 8 Gen 3 Mobile | 5.76 ms | 0 - 13 MB | NPU
| text_encoder | PRECOMPILED_QNN_ONNX | w8a16 | Qualcomm® Dragonwing™ QCS8550 (Proxy) | 8.08 ms | 0 - 450 MB | NPU
| text_encoder | PRECOMPILED_QNN_ONNX | w8a16 | Qualcomm® Dragonwing™ IQ-9075 | 8.082 ms | 0 - 3 MB | NPU
| text_encoder | PRECOMPILED_QNN_ONNX | w8a16 | Qualcomm® Dragonwing™ IQ-X7181 | 7.599 ms | 418 - 418 MB | NPU
| text_encoder | PRECOMPILED_QNN_ONNX | w8a16 | Qualcomm® Dragonwing™ Q-6690 | 70.756 ms | 0 - 11 MB | NPU
| text_encoder | PRECOMPILED_QNN_ONNX | w8a16 | Qualcomm® Dragonwing™ Q-7790 | 12.086 ms | 0 - 10 MB | NPU
| text_encoder | PRECOMPILED_QNN_ONNX | w8a16 | Qualcomm® Dragonwing™ Q-8750 | 4.967 ms | 0 - 12 MB | NPU
| text_encoder | PRECOMPILED_QNN_ONNX | w8a16 | Snapdragon® 8 Elite Mobile | 4.967 ms | 0 - 12 MB | NPU
| text_encoder | PRECOMPILED_QNN_ONNX | w8a16 | Snapdragon® 8 Elite Gen 5 Mobile | 5.083 ms | 0 - 13 MB | NPU
| text_encoder | PRECOMPILED_QNN_ONNX | w8a16 | Snapdragon® 7 Gen 4 Mobile | 12.086 ms | 0 - 10 MB | NPU
| text_encoder | QNN_CONTEXT_BINARY | w8a16 | Snapdragon® X2 Elite | 4.24 ms | 0 - 0 MB | NPU
| text_encoder | QNN_CONTEXT_BINARY | w8a16 | Snapdragon® X Elite | 7.891 ms | 0 - 0 MB | NPU
| text_encoder | QNN_CONTEXT_BINARY | w8a16 | Snapdragon® 8 Gen 3 Mobile | 5.772 ms | 0 - 7 MB | NPU
| text_encoder | QNN_CONTEXT_BINARY | w8a16 | Qualcomm® Dragonwing™ QCS8275 | 17.374 ms | 0 - 10 MB | NPU
| text_encoder | QNN_CONTEXT_BINARY | w8a16 | Qualcomm® Dragonwing™ QCS8550 (Proxy) | 8.073 ms | 0 - 1 MB | NPU
| text_encoder | QNN_CONTEXT_BINARY | w8a16 | Qualcomm® SA8775P | 8.323 ms | 0 - 9 MB | NPU
| text_encoder | QNN_CONTEXT_BINARY | w8a16 | Qualcomm® SA8650P | 8.323 ms | 0 - 9 MB | NPU
| text_encoder | QNN_CONTEXT_BINARY | w8a16 | Qualcomm® SA8255P | 8.323 ms | 0 - 9 MB | NPU
| text_encoder | QNN_CONTEXT_BINARY | w8a16 | Qualcomm® Dragonwing™ IQ-9075 | 8.07 ms | 0 - 2 MB | NPU
| text_encoder | QNN_CONTEXT_BINARY | w8a16 | Qualcomm® Dragonwing™ IQ-X7181 | 7.891 ms | 0 - 0 MB | NPU
| text_encoder | QNN_CONTEXT_BINARY | w8a16 | Qualcomm® Dragonwing™ Q-6690 | 83.455 ms | 0 - 6 MB | NPU
| text_encoder | QNN_CONTEXT_BINARY | w8a16 | Qualcomm® Dragonwing™ Q-7790 | 12.113 ms | 0 - 6 MB | NPU
| text_encoder | QNN_CONTEXT_BINARY | w8a16 | Qualcomm® Dragonwing™ Q-8750 | 4.918 ms | 0 - 8 MB | NPU
| text_encoder | QNN_CONTEXT_BINARY | w8a16 | Qualcomm® SA7255P | 17.374 ms | 0 - 10 MB | NPU
| text_encoder | QNN_CONTEXT_BINARY | w8a16 | Snapdragon® 8 Elite Mobile | 4.918 ms | 0 - 8 MB | NPU
| text_encoder | QNN_CONTEXT_BINARY | w8a16 | Snapdragon® 8 Elite Gen 5 Mobile | 4.828 ms | 0 - 9 MB | NPU
| text_encoder | QNN_CONTEXT_BINARY | w8a16 | Snapdragon® 7 Gen 4 Mobile | 12.113 ms | 0 - 6 MB | NPU
| unet | PRECOMPILED_QNN_ONNX | w8a16 | Snapdragon® X2 Elite | 67.579 ms | 1 - 1 MB | NPU
| unet | PRECOMPILED_QNN_ONNX | w8a16 | Snapdragon® X Elite | 157.573 ms | 842 - 842 MB | NPU
| unet | PRECOMPILED_QNN_ONNX | w8a16 | Snapdragon® 8 Gen 3 Mobile | 110.267 ms | 1 - 12 MB | NPU
| unet | PRECOMPILED_QNN_ONNX | w8a16 | Qualcomm® Dragonwing™ QCS8550 (Proxy) | 153.265 ms | 0 - 898 MB | NPU
| unet | PRECOMPILED_QNN_ONNX | w8a16 | Qualcomm® Dragonwing™ IQ-9075 | 147.27 ms | 0 - 3 MB | NPU
| unet | PRECOMPILED_QNN_ONNX | w8a16 | Qualcomm® Dragonwing™ IQ-X7181 | 157.573 ms | 842 - 842 MB | NPU
| unet | PRECOMPILED_QNN_ONNX | w8a16 | Qualcomm® Dragonwing™ Q-6690 | 2297.776 ms | 1 - 11 MB | NPU
| unet | PRECOMPILED_QNN_ONNX | w8a16 | Qualcomm® Dragonwing™ Q-7790 | 211.197 ms | 0 - 11 MB | NPU
| unet | PRECOMPILED_QNN_ONNX | w8a16 | Qualcomm® Dragonwing™ Q-8750 | 101.678 ms | 0 - 12 MB | NPU
| unet | PRECOMPILED_QNN_ONNX | w8a16 | Snapdragon® 8 Elite Mobile | 101.678 ms | 0 - 12 MB | NPU
| unet | PRECOMPILED_QNN_ONNX | w8a16 | Snapdragon® 8 Elite Gen 5 Mobile | 69.129 ms | 0 - 12 MB | NPU
| unet | PRECOMPILED_QNN_ONNX | w8a16 | Snapdragon® 7 Gen 4 Mobile | 211.197 ms | 0 - 11 MB | NPU
| unet | QNN_CONTEXT_BINARY | w8a16 | Snapdragon® X2 Elite | 67.607 ms | 0 - 0 MB | NPU
| unet | QNN_CONTEXT_BINARY | w8a16 | Snapdragon® X Elite | 157.693 ms | 0 - 0 MB | NPU
| unet | QNN_CONTEXT_BINARY | w8a16 | Snapdragon® 8 Gen 3 Mobile | 109.477 ms | 13 - 20 MB | NPU
| unet | QNN_CONTEXT_BINARY | w8a16 | Qualcomm® Dragonwing™ QCS8275 | 345.969 ms | 0 - 10 MB | NPU
| unet | QNN_CONTEXT_BINARY | w8a16 | Qualcomm® Dragonwing™ QCS8550 (Proxy) | 152.766 ms | 1 - 2 MB | NPU
| unet | QNN_CONTEXT_BINARY | w8a16 | Qualcomm® SA8775P | 147.851 ms | 0 - 9 MB | NPU
| unet | QNN_CONTEXT_BINARY | w8a16 | Qualcomm® SA8650P | 147.851 ms | 0 - 9 MB | NPU
| unet | QNN_CONTEXT_BINARY | w8a16 | Qualcomm® SA8255P | 147.851 ms | 0 - 9 MB | NPU
| unet | QNN_CONTEXT_BINARY | w8a16 | Qualcomm® Dragonwing™ IQ-9075 | 147.037 ms | 0 - 2 MB | NPU
| unet | QNN_CONTEXT_BINARY | w8a16 | Qualcomm® Dragonwing™ IQ-X7181 | 157.693 ms | 0 - 0 MB | NPU
| unet | QNN_CONTEXT_BINARY | w8a16 | Qualcomm® Dragonwing™ Q-6690 | 2317.515 ms | 11 - 17 MB | NPU
| unet | QNN_CONTEXT_BINARY | w8a16 | Qualcomm® Dragonwing™ Q-7790 | 214.046 ms | 0 - 6 MB | NPU
| unet | QNN_CONTEXT_BINARY | w8a16 | Qualcomm® Dragonwing™ Q-8750 | 98.289 ms | 1 - 14 MB | NPU
| unet | QNN_CONTEXT_BINARY | w8a16 | Qualcomm® SA7255P | 345.969 ms | 0 - 10 MB | NPU
| unet | QNN_CONTEXT_BINARY | w8a16 | Snapdragon® 8 Elite Mobile | 98.289 ms | 1 - 14 MB | NPU
| unet | QNN_CONTEXT_BINARY | w8a16 | Snapdragon® 8 Elite Gen 5 Mobile | 68.018 ms | 0 - 10 MB | NPU
| unet | QNN_CONTEXT_BINARY | w8a16 | Snapdragon® 7 Gen 4 Mobile | 214.046 ms | 0 - 6 MB | NPU
| vae | PRECOMPILED_QNN_ONNX | w8a16 | Snapdragon® X2 Elite | 129.136 ms | 4 - 4 MB | NPU
| vae | PRECOMPILED_QNN_ONNX | w8a16 | Snapdragon® X Elite | 257.85 ms | 66 - 66 MB | NPU
| vae | PRECOMPILED_QNN_ONNX | w8a16 | Snapdragon® 8 Gen 3 Mobile | 197.009 ms | 5 - 13 MB | NPU
| vae | PRECOMPILED_QNN_ONNX | w8a16 | Qualcomm® Dragonwing™ QCS8550 (Proxy) | 253.045 ms | 4 - 5 MB | NPU
| vae | PRECOMPILED_QNN_ONNX | w8a16 | Qualcomm® Dragonwing™ IQ-9075 | 241.327 ms | 3 - 6 MB | NPU
| vae | PRECOMPILED_QNN_ONNX | w8a16 | Qualcomm® Dragonwing™ IQ-X7181 | 257.85 ms | 66 - 66 MB | NPU
| vae | PRECOMPILED_QNN_ONNX | w8a16 | Qualcomm® Dragonwing™ Q-6690 | 6267.953 ms | 3 - 10 MB | NPU
| vae | PRECOMPILED_QNN_ONNX | w8a16 | Qualcomm® Dragonwing™ Q-7790 | 503.485 ms | 2 - 8 MB | NPU
| vae | PRECOMPILED_QNN_ONNX | w8a16 | Qualcomm® Dragonwing™ Q-8750 | 161.762 ms | 4 - 16 MB | NPU
| vae | PRECOMPILED_QNN_ONNX | w8a16 | Snapdragon® 8 Elite Mobile | 161.762 ms | 4 - 16 MB | NPU
| vae | PRECOMPILED_QNN_ONNX | w8a16 | Snapdragon® 8 Elite Gen 5 Mobile | 120.648 ms | 3 - 15 MB | NPU
| vae | PRECOMPILED_QNN_ONNX | w8a16 | Snapdragon® 7 Gen 4 Mobile | 503.485 ms | 2 - 8 MB | NPU
| vae | QNN_CONTEXT_BINARY | w8a16 | Snapdragon® X2 Elite | 128.959 ms | 0 - 0 MB | NPU
| vae | QNN_CONTEXT_BINARY | w8a16 | Snapdragon® X Elite | 258.234 ms | 0 - 0 MB | NPU
| vae | QNN_CONTEXT_BINARY | w8a16 | Snapdragon® 8 Gen 3 Mobile | 196.322 ms | 3 - 10 MB | NPU
| vae | QNN_CONTEXT_BINARY | w8a16 | Qualcomm® Dragonwing™ QCS8275 | 712.832 ms | 0 - 10 MB | NPU
| vae | QNN_CONTEXT_BINARY | w8a16 | Qualcomm® Dragonwing™ QCS8550 (Proxy) | 261.643 ms | 1 - 3 MB | NPU
| vae | QNN_CONTEXT_BINARY | w8a16 | Qualcomm® SA8775P | 244.599 ms | 0 - 10 MB | NPU
| vae | QNN_CONTEXT_BINARY | w8a16 | Qualcomm® SA8650P | 244.599 ms | 0 - 10 MB | NPU
| vae | QNN_CONTEXT_BINARY | w8a16 | Qualcomm® SA8255P | 244.599 ms | 0 - 10 MB | NPU
| vae | QNN_CONTEXT_BINARY | w8a16 | Qualcomm® Dragonwing™ IQ-9075 | 241.413 ms | 0 - 3 MB | NPU
| vae | QNN_CONTEXT_BINARY | w8a16 | Qualcomm® Dragonwing™ IQ-X7181 | 258.234 ms | 0 - 0 MB | NPU
| vae | QNN_CONTEXT_BINARY | w8a16 | Qualcomm® Dragonwing™ Q-6690 | 6247.635 ms | 2 - 9 MB | NPU
| vae | QNN_CONTEXT_BINARY | w8a16 | Qualcomm® Dragonwing™ Q-7790 | 502.871 ms | 0 - 6 MB | NPU
| vae | QNN_CONTEXT_BINARY | w8a16 | Qualcomm® Dragonwing™ Q-8750 | 159.893 ms | 1 - 9 MB | NPU
| vae | QNN_CONTEXT_BINARY | w8a16 | Qualcomm® SA7255P | 712.832 ms | 0 - 10 MB | NPU
| vae | QNN_CONTEXT_BINARY | w8a16 | Snapdragon® 8 Elite Mobile | 159.893 ms | 1 - 9 MB | NPU
| vae | QNN_CONTEXT_BINARY | w8a16 | Snapdragon® 8 Elite Gen 5 Mobile | 121.039 ms | 0 - 9 MB | NPU
| vae | QNN_CONTEXT_BINARY | w8a16 | Snapdragon® 7 Gen 4 Mobile | 502.871 ms | 0 - 6 MB | NPU

## License
* The license for the original implementation of Stable-Diffusion-v2.1 can be found
  [here](https://github.com/CompVis/stable-diffusion/blob/main/LICENSE).

## References
* [High-Resolution Image Synthesis with Latent Diffusion Models](https://arxiv.org/abs/2112.10752)
* [Source Model Implementation](https://github.com/CompVis/stable-diffusion/tree/main)

## Community
* Join [our AI Hub Slack community](https://aihub.qualcomm.com/community/slack) to collaborate, post questions and learn more about on-device AI.
* For questions or feedback please [reach out to us](mailto:ai-hub-support@qti.qualcomm.com).

## Usage and Limitations

This model may not be used for or in connection with any of the following applications:

- Accessing essential private and public services and benefits;
- Administration of justice and democratic processes;
- Assessing or recognizing the emotional state of a person;
- Biometric and biometrics-based systems, including categorization of persons based on sensitive characteristics;
- Education and vocational training;
- Employment and workers management;
- Exploitation of the vulnerabilities of persons resulting in harmful behavior;
- General purpose social scoring;
- Law enforcement;
- Management and operation of critical infrastructure;
- Migration, asylum and border control management;
- Predictive policing;
- Real-time remote biometric identification in public spaces;
- Recommender systems of social media platforms;
- Scraping of facial images (from the internet or otherwise); and/or
- Subliminal manipulation