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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 2.50, ONNX Runtime 1.27.1 Download
ONNX w8a8 Universal QAIRT 2.50, ONNX Runtime 1.27.1 Download
QNN_DLC float Universal QAIRT 2.50 Download
QNN_DLC w8a8 Universal QAIRT 2.50 Download
TFLITE float Universal QAIRT 2.50 Download
TFLITE w8a8 Universal QAIRT 2.50 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® 8 Elite Gen 5 For Galaxy Mobile 1.178 ms 0 - 77 MB NPU
ResNeXt50 ONNX float Snapdragon® 8 Elite For Galaxy Mobile 1.372 ms 0 - 76 MB NPU
ResNeXt50 ONNX float Snapdragon® X2 Elite 1.112 ms 2 - 2 MB NPU
ResNeXt50 ONNX float Snapdragon® X Elite 2.213 ms 50 - 50 MB NPU
ResNeXt50 ONNX float Snapdragon® 8 Gen 3 Mobile 1.638 ms 0 - 141 MB NPU
ResNeXt50 ONNX float Snapdragon® 8 Gen 1 Mobile 3.222 ms 0 - 119 MB NPU
ResNeXt50 ONNX float Qualcomm® Dragonwing™ IQ-8275 3.791 ms 0 - 5 MB NPU
ResNeXt50 ONNX float Qualcomm® Dragonwing™ QCS8550 (Proxy) 2.296 ms 0 - 58 MB NPU
ResNeXt50 ONNX float Qualcomm® QCS8450 3.222 ms 0 - 119 MB NPU
ResNeXt50 ONNX float Qualcomm® Dragonwing™ IQ-9075 3.446 ms 1 - 4 MB NPU
ResNeXt50 ONNX float Qualcomm® Dragonwing™ IQ-X7181 2.213 ms 50 - 50 MB NPU
ResNeXt50 ONNX float Qualcomm® Dragonwing™ Q-8750 1.372 ms 0 - 76 MB NPU
ResNeXt50 ONNX w8a8 Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 0.617 ms 0 - 85 MB NPU
ResNeXt50 ONNX w8a8 Snapdragon® 8 Elite For Galaxy Mobile 0.698 ms 0 - 78 MB NPU
ResNeXt50 ONNX w8a8 Snapdragon® X2 Elite 0.497 ms 1 - 1 MB NPU
ResNeXt50 ONNX w8a8 Snapdragon® X Elite 1.069 ms 26 - 26 MB NPU
ResNeXt50 ONNX w8a8 Snapdragon® 8 Gen 3 Mobile 0.805 ms 0 - 113 MB NPU
ResNeXt50 ONNX w8a8 Snapdragon® 8 Gen 1 Mobile 1.32 ms 0 - 111 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® Dragonwing™ QCS6490 3.258 ms 0 - 3 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® Dragonwing™ IQ-8275 1.188 ms 0 - 4 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 1.103 ms 0 - 30 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® QCS8450 1.32 ms 0 - 111 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® Dragonwing™ IQ-9075 1.322 ms 0 - 3 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® Dragonwing™ IQ-X7181 1.069 ms 26 - 26 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® Dragonwing™ Q-6690 7.43 ms 0 - 197 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® Dragonwing™ Q-7790 1.274 ms 0 - 85 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® Dragonwing™ Q-8750 0.698 ms 0 - 78 MB NPU
ResNeXt50 ONNX w8a8 Snapdragon® 7 Gen 4 Mobile 1.274 ms 0 - 85 MB NPU
ResNeXt50 QNN_DLC float Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 1.219 ms 0 - 78 MB NPU
ResNeXt50 QNN_DLC float Snapdragon® 8 Elite For Galaxy Mobile 1.454 ms 1 - 75 MB NPU
ResNeXt50 QNN_DLC float Snapdragon® X2 Elite 1.412 ms 1 - 1 MB NPU
ResNeXt50 QNN_DLC float Snapdragon® X Elite 2.665 ms 1 - 1 MB NPU
ResNeXt50 QNN_DLC float Snapdragon® 8 Gen 3 Mobile 1.777 ms 0 - 136 MB NPU
ResNeXt50 QNN_DLC float Snapdragon® 8 Gen 1 Mobile 3.821 ms 0 - 118 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® Dragonwing™ IQ-8275 3.778 ms 1 - 4 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® Dragonwing™ QCS8550 (Proxy) 2.483 ms 1 - 3 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® SA8775P 3.757 ms 1 - 76 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® SA8650P 3.757 ms 1 - 76 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® SA8255P 3.757 ms 1 - 76 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® QCS8450 3.821 ms 0 - 118 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® Dragonwing™ IQ-9075 3.568 ms 3 - 5 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® Dragonwing™ IQ-X7181 2.665 ms 1 - 1 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® Dragonwing™ Q-8750 1.454 ms 1 - 75 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® SA8295P 3.95 ms 0 - 55 MB NPU
ResNeXt50 QNN_DLC w8a8 Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 0.54 ms 0 - 78 MB NPU
ResNeXt50 QNN_DLC w8a8 Snapdragon® 8 Elite For Galaxy Mobile 0.633 ms 0 - 79 MB NPU
ResNeXt50 QNN_DLC w8a8 Snapdragon® X2 Elite 0.645 ms 0 - 0 MB NPU
ResNeXt50 QNN_DLC w8a8 Snapdragon® X Elite 1.2 ms 0 - 0 MB NPU
ResNeXt50 QNN_DLC w8a8 Snapdragon® 8 Gen 3 Mobile 0.788 ms 0 - 102 MB NPU
ResNeXt50 QNN_DLC w8a8 Snapdragon® 8 Gen 1 Mobile 1.316 ms 0 - 106 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ QCS6490 3.435 ms 0 - 2 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-8275 1.137 ms 0 - 3 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 1.053 ms 0 - 2 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 1.316 ms 0 - 106 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-9075 1.262 ms 2 - 4 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-X7181 1.2 ms 0 - 0 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ Q-6690 7.72 ms 0 - 193 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ Q-7790 1.362 ms 0 - 81 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ Q-8750 0.633 ms 0 - 79 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® SA8295P 1.605 ms 0 - 76 MB NPU
ResNeXt50 QNN_DLC w8a8 Snapdragon® 7 Gen 4 Mobile 1.362 ms 0 - 81 MB NPU
ResNeXt50 TFLITE float Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 1.205 ms 0 - 111 MB NPU
ResNeXt50 TFLITE float Snapdragon® 8 Elite For Galaxy Mobile 1.436 ms 0 - 115 MB NPU
ResNeXt50 TFLITE float Snapdragon® 8 Gen 3 Mobile 1.757 ms 0 - 177 MB NPU
ResNeXt50 TFLITE float Snapdragon® 8 Gen 1 Mobile 3.831 ms 0 - 158 MB NPU
ResNeXt50 TFLITE float Qualcomm® Dragonwing™ IQ-8275 3.792 ms 0 - 54 MB NPU
ResNeXt50 TFLITE float Qualcomm® Dragonwing™ QCS8550 (Proxy) 2.479 ms 0 - 2 MB NPU
ResNeXt50 TFLITE float Qualcomm® SA8775P 3.791 ms 0 - 116 MB NPU
ResNeXt50 TFLITE float Qualcomm® SA8650P 3.791 ms 0 - 116 MB NPU
ResNeXt50 TFLITE float Qualcomm® SA8255P 3.791 ms 0 - 116 MB NPU
ResNeXt50 TFLITE float Qualcomm® QCS8450 3.831 ms 0 - 158 MB NPU
ResNeXt50 TFLITE float Qualcomm® Dragonwing™ IQ-9075 3.578 ms 0 - 53 MB NPU
ResNeXt50 TFLITE float Qualcomm® Dragonwing™ Q-8750 1.436 ms 0 - 115 MB NPU
ResNeXt50 TFLITE float Qualcomm® SA8295P 4.005 ms 0 - 90 MB NPU
ResNeXt50 TFLITE w8a8 Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 0.496 ms 0 - 70 MB NPU
ResNeXt50 TFLITE w8a8 Snapdragon® 8 Elite For Galaxy Mobile 0.557 ms 0 - 65 MB NPU
ResNeXt50 TFLITE w8a8 Snapdragon® 8 Gen 3 Mobile 0.66 ms 0 - 95 MB NPU
ResNeXt50 TFLITE w8a8 Snapdragon® 8 Gen 1 Mobile 1.122 ms 0 - 102 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® Dragonwing™ QCS6490 3.027 ms 0 - 27 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® Dragonwing™ IQ-8275 0.978 ms 0 - 28 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 0.894 ms 0 - 2 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 1.122 ms 0 - 102 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® Dragonwing™ IQ-9075 1.078 ms 0 - 28 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® Dragonwing™ Q-6690 7.331 ms 0 - 185 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® Dragonwing™ Q-7790 1.218 ms 0 - 72 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® Dragonwing™ Q-8750 0.557 ms 0 - 65 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® SA7255P 44.857 ms 1 - 21 MB GPU
ResNeXt50 TFLITE w8a8 Qualcomm® SA8295P 1.402 ms 0 - 68 MB NPU
ResNeXt50 TFLITE w8a8 Snapdragon® 7 Gen 4 Mobile 1.218 ms 0 - 72 MB NPU

License

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

References

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Paper for qualcomm/ResNeXt50