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 ---
library_name: pytorch
license: other
tags:
- backbone
- android
pipeline_tag: image-classification
---
![](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/models/inception_v3/web-assets/model_demo.png)
# Inception-v3: Optimized for Mobile Deployment
## Imagenet classifier and general purpose backbone
InceptionNetV3 is a machine learning model that can classify images from the Imagenet dataset. It can also be used as a backbone in building more complex models for specific use cases.
This model is an implementation of Inception-v3 found [here](https://github.com/pytorch/vision/blob/main/torchvision/models/inception.py).
This repository provides scripts to run Inception-v3 on Qualcomm® devices.
More details on model performance across various devices, can be found
[here](https://aihub.qualcomm.com/models/inception_v3).
### Model Details
- **Model Type:** Model_use_case.image_classification
- **Model Stats:**
- Model checkpoint: Imagenet
- Input resolution: 224x224
- Number of parameters: 23.8M
- Model size (float): 90.9 MB
- Model size (w8a8): 23.3 MB
| Model | Precision | Device | Chipset | Target Runtime | Inference Time (ms) | Peak Memory Range (MB) | Primary Compute Unit | Target Model
|---|---|---|---|---|---|---|---|---|
| Inception-v3 | float | QCS8275 (Proxy) | Qualcomm® QCS8275 (Proxy) | TFLITE | 7.757 ms | 0 - 55 MB | NPU | [Inception-v3.tflite](https://huggingface.co/qualcomm/Inception-v3/blob/main/Inception-v3.tflite) |
| Inception-v3 | float | QCS8275 (Proxy) | Qualcomm® QCS8275 (Proxy) | QNN | 7.683 ms | 1 - 10 MB | NPU | Use Export Script |
| Inception-v3 | float | QCS8450 (Proxy) | Qualcomm® QCS8450 (Proxy) | TFLITE | 2.213 ms | 0 - 94 MB | NPU | [Inception-v3.tflite](https://huggingface.co/qualcomm/Inception-v3/blob/main/Inception-v3.tflite) |
| Inception-v3 | float | QCS8450 (Proxy) | Qualcomm® QCS8450 (Proxy) | QNN | 2.432 ms | 0 - 30 MB | NPU | Use Export Script |
| Inception-v3 | float | QCS8550 (Proxy) | Qualcomm® QCS8550 (Proxy) | TFLITE | 1.327 ms | 0 - 326 MB | NPU | [Inception-v3.tflite](https://huggingface.co/qualcomm/Inception-v3/blob/main/Inception-v3.tflite) |
| Inception-v3 | float | QCS8550 (Proxy) | Qualcomm® QCS8550 (Proxy) | QNN | 1.353 ms | 1 - 3 MB | NPU | Use Export Script |
| Inception-v3 | float | QCS9075 (Proxy) | Qualcomm® QCS9075 (Proxy) | TFLITE | 2.198 ms | 0 - 56 MB | NPU | [Inception-v3.tflite](https://huggingface.co/qualcomm/Inception-v3/blob/main/Inception-v3.tflite) |
| Inception-v3 | float | QCS9075 (Proxy) | Qualcomm® QCS9075 (Proxy) | QNN | 2.204 ms | 1 - 14 MB | NPU | Use Export Script |
| Inception-v3 | float | SA7255P ADP | Qualcomm® SA7255P | TFLITE | 7.757 ms | 0 - 55 MB | NPU | [Inception-v3.tflite](https://huggingface.co/qualcomm/Inception-v3/blob/main/Inception-v3.tflite) |
| Inception-v3 | float | SA7255P ADP | Qualcomm® SA7255P | QNN | 7.683 ms | 1 - 10 MB | NPU | Use Export Script |
| Inception-v3 | float | SA8255 (Proxy) | Qualcomm® SA8255P (Proxy) | TFLITE | 1.332 ms | 0 - 324 MB | NPU | [Inception-v3.tflite](https://huggingface.co/qualcomm/Inception-v3/blob/main/Inception-v3.tflite) |
| Inception-v3 | float | SA8255 (Proxy) | Qualcomm® SA8255P (Proxy) | QNN | 1.349 ms | 1 - 11 MB | NPU | Use Export Script |
| Inception-v3 | float | SA8295P ADP | Qualcomm® SA8295P | TFLITE | 2.55 ms | 0 - 56 MB | NPU | [Inception-v3.tflite](https://huggingface.co/qualcomm/Inception-v3/blob/main/Inception-v3.tflite) |
| Inception-v3 | float | SA8295P ADP | Qualcomm® SA8295P | QNN | 2.578 ms | 0 - 18 MB | NPU | Use Export Script |
| Inception-v3 | float | SA8650 (Proxy) | Qualcomm® SA8650P (Proxy) | TFLITE | 1.328 ms | 0 - 325 MB | NPU | [Inception-v3.tflite](https://huggingface.co/qualcomm/Inception-v3/blob/main/Inception-v3.tflite) |
| Inception-v3 | float | SA8650 (Proxy) | Qualcomm® SA8650P (Proxy) | QNN | 1.349 ms | 1 - 4 MB | NPU | Use Export Script |
| Inception-v3 | float | SA8775P ADP | Qualcomm® SA8775P | TFLITE | 2.198 ms | 0 - 56 MB | NPU | [Inception-v3.tflite](https://huggingface.co/qualcomm/Inception-v3/blob/main/Inception-v3.tflite) |
| Inception-v3 | float | SA8775P ADP | Qualcomm® SA8775P | QNN | 2.204 ms | 1 - 14 MB | NPU | Use Export Script |
| Inception-v3 | float | Samsung Galaxy S23 | Snapdragon® 8 Gen 2 Mobile | TFLITE | 1.323 ms | 0 - 323 MB | NPU | [Inception-v3.tflite](https://huggingface.co/qualcomm/Inception-v3/blob/main/Inception-v3.tflite) |
| Inception-v3 | float | Samsung Galaxy S23 | Snapdragon® 8 Gen 2 Mobile | QNN | 1.352 ms | 0 - 95 MB | NPU | Use Export Script |
| Inception-v3 | float | Samsung Galaxy S23 | Snapdragon® 8 Gen 2 Mobile | ONNX | 1.599 ms | 0 - 142 MB | NPU | [Inception-v3.onnx](https://huggingface.co/qualcomm/Inception-v3/blob/main/Inception-v3.onnx) |
| Inception-v3 | float | Samsung Galaxy S24 | Snapdragon® 8 Gen 3 Mobile | TFLITE | 1.008 ms | 0 - 89 MB | NPU | [Inception-v3.tflite](https://huggingface.co/qualcomm/Inception-v3/blob/main/Inception-v3.tflite) |
| Inception-v3 | float | Samsung Galaxy S24 | Snapdragon® 8 Gen 3 Mobile | QNN | 1.001 ms | 56 - 85 MB | NPU | Use Export Script |
| Inception-v3 | float | Samsung Galaxy S24 | Snapdragon® 8 Gen 3 Mobile | ONNX | 1.217 ms | 0 - 31 MB | NPU | [Inception-v3.onnx](https://huggingface.co/qualcomm/Inception-v3/blob/main/Inception-v3.onnx) |
| Inception-v3 | float | Snapdragon 8 Elite QRD | Snapdragon® 8 Elite Mobile | TFLITE | 0.837 ms | 0 - 59 MB | NPU | [Inception-v3.tflite](https://huggingface.co/qualcomm/Inception-v3/blob/main/Inception-v3.tflite) |
| Inception-v3 | float | Snapdragon 8 Elite QRD | Snapdragon® 8 Elite Mobile | QNN | 0.983 ms | 0 - 22 MB | NPU | Use Export Script |
| Inception-v3 | float | Snapdragon 8 Elite QRD | Snapdragon® 8 Elite Mobile | ONNX | 1.211 ms | 1 - 24 MB | NPU | [Inception-v3.onnx](https://huggingface.co/qualcomm/Inception-v3/blob/main/Inception-v3.onnx) |
| Inception-v3 | float | Snapdragon X Elite CRD | Snapdragon® X Elite | QNN | 1.407 ms | 1 - 1 MB | NPU | Use Export Script |
| Inception-v3 | float | Snapdragon X Elite CRD | Snapdragon® X Elite | ONNX | 1.475 ms | 46 - 46 MB | NPU | [Inception-v3.onnx](https://huggingface.co/qualcomm/Inception-v3/blob/main/Inception-v3.onnx) |
| Inception-v3 | w8a8 | QCS8275 (Proxy) | Qualcomm® QCS8275 (Proxy) | TFLITE | 1.52 ms | 0 - 34 MB | NPU | [Inception-v3.tflite](https://huggingface.co/qualcomm/Inception-v3/blob/main/Inception-v3_w8a8.tflite) |
| Inception-v3 | w8a8 | QCS8275 (Proxy) | Qualcomm® QCS8275 (Proxy) | QNN | 1.449 ms | 0 - 10 MB | NPU | Use Export Script |
| Inception-v3 | w8a8 | QCS8450 (Proxy) | Qualcomm® QCS8450 (Proxy) | TFLITE | 0.859 ms | 0 - 54 MB | NPU | [Inception-v3.tflite](https://huggingface.co/qualcomm/Inception-v3/blob/main/Inception-v3_w8a8.tflite) |
| Inception-v3 | w8a8 | QCS8450 (Proxy) | Qualcomm® QCS8450 (Proxy) | QNN | 0.958 ms | 0 - 54 MB | NPU | Use Export Script |
| Inception-v3 | w8a8 | QCS8550 (Proxy) | Qualcomm® QCS8550 (Proxy) | TFLITE | 0.656 ms | 0 - 111 MB | NPU | [Inception-v3.tflite](https://huggingface.co/qualcomm/Inception-v3/blob/main/Inception-v3_w8a8.tflite) |
| Inception-v3 | w8a8 | QCS8550 (Proxy) | Qualcomm® QCS8550 (Proxy) | QNN | 0.605 ms | 0 - 2 MB | NPU | Use Export Script |
| Inception-v3 | w8a8 | QCS9075 (Proxy) | Qualcomm® QCS9075 (Proxy) | TFLITE | 0.847 ms | 0 - 37 MB | NPU | [Inception-v3.tflite](https://huggingface.co/qualcomm/Inception-v3/blob/main/Inception-v3_w8a8.tflite) |
| Inception-v3 | w8a8 | QCS9075 (Proxy) | Qualcomm® QCS9075 (Proxy) | QNN | 0.779 ms | 0 - 14 MB | NPU | Use Export Script |
| Inception-v3 | w8a8 | RB3 Gen 2 (Proxy) | Qualcomm® QCS6490 (Proxy) | TFLITE | 2.429 ms | 0 - 53 MB | NPU | [Inception-v3.tflite](https://huggingface.co/qualcomm/Inception-v3/blob/main/Inception-v3_w8a8.tflite) |
| Inception-v3 | w8a8 | RB3 Gen 2 (Proxy) | Qualcomm® QCS6490 (Proxy) | QNN | 2.796 ms | 0 - 12 MB | NPU | Use Export Script |
| Inception-v3 | w8a8 | RB5 (Proxy) | Qualcomm® QCS8250 (Proxy) | TFLITE | 7.807 ms | 0 - 3 MB | NPU | [Inception-v3.tflite](https://huggingface.co/qualcomm/Inception-v3/blob/main/Inception-v3_w8a8.tflite) |
| Inception-v3 | w8a8 | SA7255P ADP | Qualcomm® SA7255P | TFLITE | 1.52 ms | 0 - 34 MB | NPU | [Inception-v3.tflite](https://huggingface.co/qualcomm/Inception-v3/blob/main/Inception-v3_w8a8.tflite) |
| Inception-v3 | w8a8 | SA7255P ADP | Qualcomm® SA7255P | QNN | 1.449 ms | 0 - 10 MB | NPU | Use Export Script |
| Inception-v3 | w8a8 | SA8255 (Proxy) | Qualcomm® SA8255P (Proxy) | TFLITE | 0.65 ms | 0 - 111 MB | NPU | [Inception-v3.tflite](https://huggingface.co/qualcomm/Inception-v3/blob/main/Inception-v3_w8a8.tflite) |
| Inception-v3 | w8a8 | SA8255 (Proxy) | Qualcomm® SA8255P (Proxy) | QNN | 0.608 ms | 0 - 3 MB | NPU | Use Export Script |
| Inception-v3 | w8a8 | SA8295P ADP | Qualcomm® SA8295P | TFLITE | 1.14 ms | 0 - 38 MB | NPU | [Inception-v3.tflite](https://huggingface.co/qualcomm/Inception-v3/blob/main/Inception-v3_w8a8.tflite) |
| Inception-v3 | w8a8 | SA8295P ADP | Qualcomm® SA8295P | QNN | 1.139 ms | 0 - 18 MB | NPU | Use Export Script |
| Inception-v3 | w8a8 | SA8650 (Proxy) | Qualcomm® SA8650P (Proxy) | TFLITE | 0.654 ms | 0 - 112 MB | NPU | [Inception-v3.tflite](https://huggingface.co/qualcomm/Inception-v3/blob/main/Inception-v3_w8a8.tflite) |
| Inception-v3 | w8a8 | SA8650 (Proxy) | Qualcomm® SA8650P (Proxy) | QNN | 0.602 ms | 0 - 2 MB | NPU | Use Export Script |
| Inception-v3 | w8a8 | SA8775P ADP | Qualcomm® SA8775P | TFLITE | 0.847 ms | 0 - 37 MB | NPU | [Inception-v3.tflite](https://huggingface.co/qualcomm/Inception-v3/blob/main/Inception-v3_w8a8.tflite) |
| Inception-v3 | w8a8 | SA8775P ADP | Qualcomm® SA8775P | QNN | 0.779 ms | 0 - 14 MB | NPU | Use Export Script |
| Inception-v3 | w8a8 | Samsung Galaxy S23 | Snapdragon® 8 Gen 2 Mobile | TFLITE | 0.654 ms | 0 - 110 MB | NPU | [Inception-v3.tflite](https://huggingface.co/qualcomm/Inception-v3/blob/main/Inception-v3_w8a8.tflite) |
| Inception-v3 | w8a8 | Samsung Galaxy S23 | Snapdragon® 8 Gen 2 Mobile | QNN | 0.601 ms | 0 - 121 MB | NPU | Use Export Script |
| Inception-v3 | w8a8 | Samsung Galaxy S23 | Snapdragon® 8 Gen 2 Mobile | ONNX | 25.076 ms | 0 - 179 MB | NPU | [Inception-v3.onnx](https://huggingface.co/qualcomm/Inception-v3/blob/main/Inception-v3_w8a8.onnx) |
| Inception-v3 | w8a8 | Samsung Galaxy S24 | Snapdragon® 8 Gen 3 Mobile | TFLITE | 0.501 ms | 0 - 55 MB | NPU | [Inception-v3.tflite](https://huggingface.co/qualcomm/Inception-v3/blob/main/Inception-v3_w8a8.tflite) |
| Inception-v3 | w8a8 | Samsung Galaxy S24 | Snapdragon® 8 Gen 3 Mobile | QNN | 0.459 ms | 0 - 55 MB | NPU | Use Export Script |
| Inception-v3 | w8a8 | Samsung Galaxy S24 | Snapdragon® 8 Gen 3 Mobile | ONNX | 19.828 ms | 0 - 743 MB | NPU | [Inception-v3.onnx](https://huggingface.co/qualcomm/Inception-v3/blob/main/Inception-v3_w8a8.onnx) |
| Inception-v3 | w8a8 | Snapdragon 8 Elite QRD | Snapdragon® 8 Elite Mobile | TFLITE | 0.473 ms | 0 - 36 MB | NPU | [Inception-v3.tflite](https://huggingface.co/qualcomm/Inception-v3/blob/main/Inception-v3_w8a8.tflite) |
| Inception-v3 | w8a8 | Snapdragon 8 Elite QRD | Snapdragon® 8 Elite Mobile | QNN | 0.408 ms | 0 - 47 MB | NPU | Use Export Script |
| Inception-v3 | w8a8 | Snapdragon 8 Elite QRD | Snapdragon® 8 Elite Mobile | ONNX | 23.041 ms | 0 - 706 MB | NPU | [Inception-v3.onnx](https://huggingface.co/qualcomm/Inception-v3/blob/main/Inception-v3_w8a8.onnx) |
| Inception-v3 | w8a8 | Snapdragon X Elite CRD | Snapdragon® X Elite | QNN | 0.633 ms | 0 - 0 MB | NPU | Use Export Script |
| Inception-v3 | w8a8 | Snapdragon X Elite CRD | Snapdragon® X Elite | ONNX | 26.569 ms | 41 - 41 MB | NPU | [Inception-v3.onnx](https://huggingface.co/qualcomm/Inception-v3/blob/main/Inception-v3_w8a8.onnx) |
## Installation
Install the package via pip:
```bash
pip install qai-hub-models
```
## Configure Qualcomm® AI Hub to run this model on a cloud-hosted device
Sign-in to [Qualcomm® AI Hub](https://app.aihub.qualcomm.com/) with your
Qualcomm® ID. Once signed in navigate to `Account -> Settings -> API Token`.
With this API token, you can configure your client to run models on the cloud
hosted devices.
```bash
qai-hub configure --api_token API_TOKEN
```
Navigate to [docs](https://app.aihub.qualcomm.com/docs/) for more information.
## Demo off target
The package contains a simple end-to-end demo that downloads pre-trained
weights and runs this model on a sample input.
```bash
python -m qai_hub_models.models.inception_v3.demo
```
The above demo runs a reference implementation of pre-processing, model
inference, and post processing.
**NOTE**: If you want running in a Jupyter Notebook or Google Colab like
environment, please add the following to your cell (instead of the above).
```
%run -m qai_hub_models.models.inception_v3.demo
```
### Run model on a cloud-hosted device
In addition to the demo, you can also run the model on a cloud-hosted Qualcomm®
device. This script does the following:
* Performance check on-device on a cloud-hosted device
* Downloads compiled assets that can be deployed on-device for Android.
* Accuracy check between PyTorch and on-device outputs.
```bash
python -m qai_hub_models.models.inception_v3.export
```
```
Profiling Results
------------------------------------------------------------
Inception-v3
Device : cs_8275 (ANDROID 14)
Runtime : TFLITE
Estimated inference time (ms) : 7.8
Estimated peak memory usage (MB): [0, 55]
Total # Ops : 129
Compute Unit(s) : npu (129 ops) gpu (0 ops) cpu (0 ops)
```
## How does this work?
This [export script](https://aihub.qualcomm.com/models/inception_v3/qai_hub_models/models/Inception-v3/export.py)
leverages [Qualcomm® AI Hub](https://aihub.qualcomm.com/) to optimize, validate, and deploy this model
on-device. Lets go through each step below in detail:
Step 1: **Compile model for on-device deployment**
To compile a PyTorch model for on-device deployment, we first trace the model
in memory using the `jit.trace` and then call the `submit_compile_job` API.
```python
import torch
import qai_hub as hub
from qai_hub_models.models.inception_v3 import Model
# Load the model
torch_model = Model.from_pretrained()
# Device
device = hub.Device("Samsung Galaxy S24")
# Trace model
input_shape = torch_model.get_input_spec()
sample_inputs = torch_model.sample_inputs()
pt_model = torch.jit.trace(torch_model, [torch.tensor(data[0]) for _, data in sample_inputs.items()])
# Compile model on a specific device
compile_job = hub.submit_compile_job(
model=pt_model,
device=device,
input_specs=torch_model.get_input_spec(),
)
# Get target model to run on-device
target_model = compile_job.get_target_model()
```
Step 2: **Performance profiling on cloud-hosted device**
After compiling models from step 1. Models can be profiled model on-device using the
`target_model`. Note that this scripts runs the model on a device automatically
provisioned in the cloud. Once the job is submitted, you can navigate to a
provided job URL to view a variety of on-device performance metrics.
```python
profile_job = hub.submit_profile_job(
model=target_model,
device=device,
)
```
Step 3: **Verify on-device accuracy**
To verify the accuracy of the model on-device, you can run on-device inference
on sample input data on the same cloud hosted device.
```python
input_data = torch_model.sample_inputs()
inference_job = hub.submit_inference_job(
model=target_model,
device=device,
inputs=input_data,
)
on_device_output = inference_job.download_output_data()
```
With the output of the model, you can compute like PSNR, relative errors or
spot check the output with expected output.
**Note**: This on-device profiling and inference requires access to Qualcomm®
AI Hub. [Sign up for access](https://myaccount.qualcomm.com/signup).
## Run demo on a cloud-hosted device
You can also run the demo on-device.
```bash
python -m qai_hub_models.models.inception_v3.demo --on-device
```
**NOTE**: If you want running in a Jupyter Notebook or Google Colab like
environment, please add the following to your cell (instead of the above).
```
%run -m qai_hub_models.models.inception_v3.demo -- --on-device
```
## Deploying compiled model to Android
The models can be deployed using multiple runtimes:
- TensorFlow Lite (`.tflite` export): [This
tutorial](https://www.tensorflow.org/lite/android/quickstart) provides a
guide to deploy the .tflite model in an Android application.
- QNN (`.so` export ): This [sample
app](https://docs.qualcomm.com/bundle/publicresource/topics/80-63442-50/sample_app.html)
provides instructions on how to use the `.so` shared library in an Android application.
## View on Qualcomm® AI Hub
Get more details on Inception-v3's performance across various devices [here](https://aihub.qualcomm.com/models/inception_v3).
Explore all available models on [Qualcomm® AI Hub](https://aihub.qualcomm.com/)
## License
* The license for the original implementation of Inception-v3 can be found
[here](https://github.com/pytorch/vision/blob/main/LICENSE).
* The license for the compiled assets for on-device deployment can be found [here](https://qaihub-public-assets.s3.us-west-2.amazonaws.com/qai-hub-models/Qualcomm+AI+Hub+Proprietary+License.pdf)
## References
* [Rethinking the Inception Architecture for Computer Vision](http://arxiv.org/abs/1512.00567)
* [Source Model Implementation](https://github.com/pytorch/vision/blob/main/torchvision/models/inception.py)
## 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).