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ResNeXt50

Image Classification
PyTorch
backbone
bu_auto
android
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ResNeXt50: Optimized for Qualcomm Devices

ResNeXt50 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 is based on the implementation of ResNeXt50 found here. This repository contains pre-exported model files optimized for Qualcomm® devices. You can use the Qualcomm® AI Hub Models library to export with custom configurations. More details on model performance across various devices, can be found here.

Qualcomm AI Hub Models uses Qualcomm AI Hub Workbench to compile, profile, and evaluate this model. Sign up to run these models on a hosted Qualcomm® device.

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
ONNX float Universal QAIRT 2.45, ONNX Runtime 1.27.1 Download
ONNX w8a8 Universal QAIRT 2.45, ONNX Runtime 1.27.1 Download
QNN_DLC float Universal QAIRT 2.45 Download
QNN_DLC w8a8 Universal QAIRT 2.45 Download
TFLITE float Universal QAIRT 2.45 Download
TFLITE w8a8 Universal QAIRT 2.45 Download

For more device-specific assets and performance metrics, visit ResNeXt50 on Qualcomm® AI Hub.

Option 2: Export with Custom Configurations

Use the Qualcomm® AI Hub Models 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 ResNeXt50 on GitHub for usage instructions.

Model Details

Model Type: Model_use_case.image_classification

Model Stats:

  • Input resolution: 224x224
  • Model checkpoint: Imagenet
  • Model size (float): 95.4 MB
  • Model size (w8a8): 24.8 MB
  • Number of parameters: 25.0M

Performance Summary

Model Runtime Precision Chipset Inference Time (ms) Peak Memory Range (MB) Primary Compute Unit
ResNeXt50 ONNX float Snapdragon® X2 Elite 1.113 ms 2 - 2 MB NPU
ResNeXt50 ONNX float Snapdragon® X Elite 2.233 ms 51 - 51 MB NPU
ResNeXt50 ONNX float Snapdragon® 8 Gen 3 Mobile 1.663 ms 0 - 134 MB NPU
ResNeXt50 ONNX float Snapdragon® 8 Gen 1 Mobile 3.507 ms 0 - 115 MB NPU
ResNeXt50 ONNX float Qualcomm® Dragonwing™ IQ-8275 3.792 ms 0 - 4 MB NPU
ResNeXt50 ONNX float Qualcomm® Dragonwing™ QCS8550 (Proxy) 2.291 ms 0 - 66 MB NPU
ResNeXt50 ONNX float Qualcomm® QCS8450 3.507 ms 0 - 115 MB NPU
ResNeXt50 ONNX float Qualcomm® Dragonwing™ IQ-9075 3.451 ms 0 - 4 MB NPU
ResNeXt50 ONNX float Qualcomm® Dragonwing™ IQ-X7181 2.233 ms 51 - 51 MB NPU
ResNeXt50 ONNX float Qualcomm® Dragonwing™ Q-8750 1.388 ms 0 - 74 MB NPU
ResNeXt50 ONNX float Snapdragon® 8 Elite Mobile 1.388 ms 0 - 74 MB NPU
ResNeXt50 ONNX float Snapdragon® 8 Elite Gen 5 Mobile 1.145 ms 1 - 74 MB NPU
ResNeXt50 ONNX w8a8 Snapdragon® X2 Elite 0.517 ms 1 - 1 MB NPU
ResNeXt50 ONNX w8a8 Snapdragon® X Elite 1.098 ms 26 - 26 MB NPU
ResNeXt50 ONNX w8a8 Snapdragon® 8 Gen 3 Mobile 0.809 ms 0 - 106 MB NPU
ResNeXt50 ONNX w8a8 Snapdragon® 8 Gen 1 Mobile 1.471 ms 0 - 106 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® Dragonwing™ QCS6490 3.95 ms 0 - 3 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® Dragonwing™ IQ-8275 1.209 ms 0 - 4 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 1.092 ms 0 - 30 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® QCS8450 1.471 ms 0 - 106 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® Dragonwing™ IQ-9075 1.321 ms 0 - 3 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® Dragonwing™ IQ-X7181 1.098 ms 26 - 26 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® Dragonwing™ Q-6690 7.796 ms 0 - 198 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® Dragonwing™ Q-7790 1.362 ms 0 - 80 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® Dragonwing™ Q-8750 0.693 ms 0 - 78 MB NPU
ResNeXt50 ONNX w8a8 Snapdragon® 8 Elite Mobile 0.693 ms 0 - 78 MB NPU
ResNeXt50 ONNX w8a8 Snapdragon® 8 Elite Gen 5 Mobile 0.612 ms 0 - 78 MB NPU
ResNeXt50 ONNX w8a8 Snapdragon® 7 Gen 4 Mobile 1.362 ms 0 - 80 MB NPU
ResNeXt50 QNN_DLC float Snapdragon® X2 Elite 1.425 ms 1 - 1 MB NPU
ResNeXt50 QNN_DLC float Snapdragon® X Elite 2.696 ms 1 - 1 MB NPU
ResNeXt50 QNN_DLC float Snapdragon® 8 Gen 3 Mobile 1.797 ms 0 - 134 MB NPU
ResNeXt50 QNN_DLC float Snapdragon® 8 Gen 1 Mobile 4.019 ms 0 - 114 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® Dragonwing™ IQ-8275 3.85 ms 1 - 4 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® Dragonwing™ QCS8550 (Proxy) 2.523 ms 1 - 2 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® SA8775P 3.835 ms 1 - 74 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® SA8650P 3.835 ms 1 - 74 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® SA8255P 3.835 ms 1 - 74 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® QCS8450 4.019 ms 0 - 114 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® Dragonwing™ IQ-9075 3.589 ms 1 - 3 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® Dragonwing™ IQ-X7181 2.696 ms 1 - 1 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® Dragonwing™ Q-8750 1.468 ms 0 - 73 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® SA7255P 12.018 ms 1 - 72 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® SA8295P 4.097 ms 1 - 57 MB NPU
ResNeXt50 QNN_DLC float Snapdragon® 8 Elite Mobile 1.468 ms 0 - 73 MB NPU
ResNeXt50 QNN_DLC float Snapdragon® 8 Elite Gen 5 Mobile 1.186 ms 1 - 74 MB NPU
ResNeXt50 QNN_DLC w8a8 Snapdragon® X2 Elite 0.695 ms 0 - 0 MB NPU
ResNeXt50 QNN_DLC w8a8 Snapdragon® X Elite 1.218 ms 0 - 0 MB NPU
ResNeXt50 QNN_DLC w8a8 Snapdragon® 8 Gen 3 Mobile 0.794 ms 0 - 100 MB NPU
ResNeXt50 QNN_DLC w8a8 Snapdragon® 8 Gen 1 Mobile 1.463 ms 0 - 102 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ QCS6490 4.198 ms 0 - 2 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-8275 1.16 ms 0 - 3 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 1.093 ms 0 - 3 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® SA8775P 1.447 ms 0 - 75 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® SA8650P 1.447 ms 0 - 75 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® SA8255P 1.447 ms 0 - 75 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® QCS8450 1.463 ms 0 - 102 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-9075 1.307 ms 0 - 2 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-X7181 1.218 ms 0 - 0 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ Q-6690 7.755 ms 0 - 196 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ Q-7790 1.377 ms 0 - 77 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ Q-8750 0.636 ms 0 - 74 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® SA7255P 2.47 ms 0 - 73 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® SA8295P 1.771 ms 0 - 71 MB NPU
ResNeXt50 QNN_DLC w8a8 Snapdragon® 8 Elite Mobile 0.636 ms 0 - 74 MB NPU
ResNeXt50 QNN_DLC w8a8 Snapdragon® 8 Elite Gen 5 Mobile 0.543 ms 0 - 76 MB NPU
ResNeXt50 QNN_DLC w8a8 Snapdragon® 7 Gen 4 Mobile 1.377 ms 0 - 77 MB NPU
ResNeXt50 TFLITE float Snapdragon® 8 Gen 3 Mobile 1.766 ms 0 - 173 MB NPU
ResNeXt50 TFLITE float Snapdragon® 8 Gen 1 Mobile 3.99 ms 0 - 152 MB NPU
ResNeXt50 TFLITE float Qualcomm® Dragonwing™ IQ-8275 3.828 ms 0 - 53 MB NPU
ResNeXt50 TFLITE float Qualcomm® Dragonwing™ QCS8550 (Proxy) 2.483 ms 0 - 2 MB NPU
ResNeXt50 TFLITE float Qualcomm® SA8775P 3.822 ms 0 - 114 MB NPU
ResNeXt50 TFLITE float Qualcomm® SA8650P 3.822 ms 0 - 114 MB NPU
ResNeXt50 TFLITE float Qualcomm® SA8255P 3.822 ms 0 - 114 MB NPU
ResNeXt50 TFLITE float Qualcomm® QCS8450 3.99 ms 0 - 152 MB NPU
ResNeXt50 TFLITE float Qualcomm® Dragonwing™ IQ-9075 3.598 ms 0 - 52 MB NPU
ResNeXt50 TFLITE float Qualcomm® Dragonwing™ Q-8750 1.43 ms 0 - 115 MB NPU
ResNeXt50 TFLITE float Qualcomm® SA7255P 12.024 ms 0 - 111 MB NPU
ResNeXt50 TFLITE float Qualcomm® SA8295P 4.134 ms 0 - 86 MB NPU
ResNeXt50 TFLITE float Snapdragon® 8 Elite Mobile 1.43 ms 0 - 115 MB NPU
ResNeXt50 TFLITE float Snapdragon® 8 Elite Gen 5 Mobile 1.195 ms 0 - 117 MB NPU
ResNeXt50 TFLITE w8a8 Snapdragon® 8 Gen 3 Mobile 0.686 ms 0 - 102 MB NPU
ResNeXt50 TFLITE w8a8 Snapdragon® 8 Gen 1 Mobile 1.282 ms 0 - 100 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® Dragonwing™ QCS6490 3.929 ms 0 - 27 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® Dragonwing™ IQ-8275 1.023 ms 0 - 28 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 0.892 ms 0 - 2 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® SA8775P 1.261 ms 0 - 71 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® SA8650P 1.261 ms 0 - 71 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® SA8255P 1.261 ms 0 - 71 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® QCS8450 1.282 ms 0 - 100 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® Dragonwing™ IQ-9075 1.088 ms 0 - 27 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® Dragonwing™ Q-6690 7.366 ms 0 - 195 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® Dragonwing™ Q-7790 1.222 ms 0 - 70 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® Dragonwing™ Q-8750 0.561 ms 0 - 72 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® SA7255P 2.252 ms 0 - 69 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® SA8295P 1.563 ms 0 - 64 MB NPU
ResNeXt50 TFLITE w8a8 Snapdragon® 8 Elite Mobile 0.561 ms 0 - 72 MB NPU
ResNeXt50 TFLITE w8a8 Snapdragon® 8 Elite Gen 5 Mobile 0.487 ms 0 - 73 MB NPU
ResNeXt50 TFLITE w8a8 Snapdragon® 7 Gen 4 Mobile 1.222 ms 0 - 70 MB NPU

License

  • The license for the original implementation of ResNeXt50 can be found here.

References

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Paper for qualcomm/ResNeXt50