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ResNeXt50

Image Classification
PyTorch
backbone
bu_auto
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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 1.30.0 Download
ONNX w8a8 Universal QAIRT 2.50, ONNX Runtime 1.30.0 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 1.176 ms 1 - 76 MB NPU
ResNeXt50 ONNX float Snapdragon® 8 Elite For Galaxy Mobile 1.376 ms 0 - 76 MB NPU
ResNeXt50 ONNX float Snapdragon® X2 Elite 1.108 ms 2 - 2 MB NPU
ResNeXt50 ONNX float Snapdragon® X Elite 2.204 ms 50 - 50 MB NPU
ResNeXt50 ONNX float Snapdragon® 8 Gen 3 Mobile 1.623 ms 0 - 140 MB NPU
ResNeXt50 ONNX float Snapdragon® 8 Gen 1 Mobile 3.221 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) 2.286 ms 0 - 58 MB NPU
ResNeXt50 ONNX float Qualcomm® QCS8450 3.221 ms 0 - 119 MB NPU
ResNeXt50 ONNX float Qualcomm® Dragonwing™ IQ-9075 3.439 ms 0 - 4 MB NPU
ResNeXt50 ONNX float Qualcomm® Dragonwing™ IQ-X7181 2.204 ms 50 - 50 MB NPU
ResNeXt50 ONNX float Qualcomm® Dragonwing™ Q-8750 1.376 ms 0 - 76 MB NPU
ResNeXt50 ONNX w8a8 Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 0.619 ms 0 - 84 MB NPU
ResNeXt50 ONNX w8a8 Snapdragon® 8 Elite For Galaxy Mobile 0.69 ms 0 - 82 MB NPU
ResNeXt50 ONNX w8a8 Snapdragon® X2 Elite 0.512 ms 1 - 1 MB NPU
ResNeXt50 ONNX w8a8 Snapdragon® X Elite 1.055 ms 25 - 25 MB NPU
ResNeXt50 ONNX w8a8 Snapdragon® 8 Gen 3 Mobile 0.805 ms 0 - 109 MB NPU
ResNeXt50 ONNX w8a8 Snapdragon® 8 Gen 1 Mobile 1.311 ms 0 - 111 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® Dragonwing™ QCS6490 3.499 ms 0 - 3 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® Dragonwing™ IQ-8275 1.19 ms 0 - 4 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 1.087 ms 0 - 30 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® QCS8450 1.311 ms 0 - 111 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® Dragonwing™ IQ-9075 1.316 ms 0 - 3 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® Dragonwing™ IQ-X7181 1.055 ms 25 - 25 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® Dragonwing™ Q-6690 7.409 ms 0 - 195 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® Dragonwing™ Q-7790 1.284 ms 0 - 85 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® Dragonwing™ Q-8750 0.69 ms 0 - 82 MB NPU
ResNeXt50 ONNX w8a8 Snapdragon® 7 Gen 4 Mobile 1.284 ms 0 - 85 MB NPU
ResNeXt50 QNN_DLC float Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 1.216 ms 1 - 76 MB NPU
ResNeXt50 QNN_DLC float Snapdragon® 8 Elite For Galaxy Mobile 1.465 ms 0 - 75 MB NPU
ResNeXt50 QNN_DLC float Snapdragon® X2 Elite 1.428 ms 1 - 1 MB NPU
ResNeXt50 QNN_DLC float Snapdragon® X Elite 2.671 ms 1 - 1 MB NPU
ResNeXt50 QNN_DLC float Snapdragon® 8 Gen 3 Mobile 1.806 ms 0 - 140 MB NPU
ResNeXt50 QNN_DLC float Snapdragon® 8 Gen 1 Mobile 3.842 ms 0 - 118 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® Dragonwing™ IQ-8275 3.766 ms 1 - 4 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® Dragonwing™ QCS8550 (Proxy) 2.483 ms 1 - 97 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® SA8650P 3.733 ms 1 - 75 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® SA8255P 3.733 ms 1 - 75 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® QCS8450 3.842 ms 0 - 118 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® Dragonwing™ IQ-9075 3.568 ms 1 - 3 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® Dragonwing™ IQ-X7181 2.671 ms 1 - 1 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® Dragonwing™ Q-8750 1.465 ms 0 - 75 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® SA7255P 11.864 ms 1 - 74 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® SA8295P 3.952 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 0.622 ms 0 - 75 MB NPU
ResNeXt50 QNN_DLC w8a8 Snapdragon® X2 Elite 0.614 ms 0 - 0 MB NPU
ResNeXt50 QNN_DLC w8a8 Snapdragon® X Elite 1.187 ms 0 - 0 MB NPU
ResNeXt50 QNN_DLC w8a8 Snapdragon® 8 Gen 3 Mobile 0.787 ms 0 - 106 MB NPU
ResNeXt50 QNN_DLC w8a8 Snapdragon® 8 Gen 1 Mobile 1.315 ms 0 - 108 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ QCS6490 3.44 ms 0 - 2 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-8275 1.134 ms 0 - 3 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 1.041 ms 0 - 8 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® SA8775P 1.4 ms 0 - 79 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® SA8650P 1.4 ms 0 - 79 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® SA8255P 1.4 ms 0 - 79 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® QCS8450 1.315 ms 0 - 108 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-9075 1.272 ms 0 - 2 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-X7181 1.187 ms 0 - 0 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ Q-6690 7.751 ms 0 - 192 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ Q-7790 1.357 ms 0 - 82 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ Q-8750 0.622 ms 0 - 75 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® SA7255P 2.361 ms 0 - 77 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® SA8295P 1.605 ms 0 - 76 MB NPU
ResNeXt50 QNN_DLC w8a8 Snapdragon® 7 Gen 4 Mobile 1.357 ms 0 - 82 MB NPU
ResNeXt50 TFLITE float Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 1.203 ms 0 - 120 MB NPU
ResNeXt50 TFLITE float Snapdragon® 8 Elite For Galaxy Mobile 1.439 ms 0 - 116 MB NPU
ResNeXt50 TFLITE float Snapdragon® 8 Gen 3 Mobile 1.752 ms 0 - 178 MB NPU
ResNeXt50 TFLITE float Snapdragon® 8 Gen 1 Mobile 3.798 ms 0 - 157 MB NPU
ResNeXt50 TFLITE float Qualcomm® Dragonwing™ IQ-8275 3.797 ms 0 - 54 MB NPU
ResNeXt50 TFLITE float Qualcomm® Dragonwing™ QCS8550 (Proxy) 2.48 ms 0 - 2 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 3.798 ms 0 - 157 MB NPU
ResNeXt50 TFLITE float Qualcomm® Dragonwing™ IQ-9075 3.573 ms 0 - 53 MB NPU
ResNeXt50 TFLITE float Qualcomm® Dragonwing™ Q-8750 1.439 ms 0 - 116 MB NPU
ResNeXt50 TFLITE float Qualcomm® SA7255P 11.923 ms 0 - 113 MB NPU
ResNeXt50 TFLITE float Qualcomm® SA8295P 4.007 ms 0 - 90 MB NPU
ResNeXt50 TFLITE w8a8 Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 0.495 ms 0 - 69 MB NPU
ResNeXt50 TFLITE w8a8 Snapdragon® 8 Elite For Galaxy Mobile 0.56 ms 0 - 67 MB NPU
ResNeXt50 TFLITE w8a8 Snapdragon® 8 Gen 3 Mobile 0.66 ms 0 - 104 MB NPU
ResNeXt50 TFLITE w8a8 Snapdragon® 8 Gen 1 Mobile 1.123 ms 0 - 103 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® Dragonwing™ QCS6490 3.132 ms 0 - 27 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® Dragonwing™ IQ-8275 0.99 ms 0 - 28 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 0.909 ms 0 - 5 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® SA8775P 1.212 ms 0 - 74 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® SA8650P 1.212 ms 0 - 74 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® SA8255P 1.212 ms 0 - 74 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® QCS8450 1.123 ms 0 - 103 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® Dragonwing™ IQ-9075 1.07 ms 0 - 28 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® Dragonwing™ Q-6690 7.284 ms 0 - 183 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® Dragonwing™ Q-7790 1.224 ms 0 - 73 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® Dragonwing™ Q-8750 0.56 ms 0 - 67 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® SA8295P 1.41 ms 0 - 68 MB NPU
ResNeXt50 TFLITE w8a8 Snapdragon® 7 Gen 4 Mobile 1.224 ms 0 - 73 MB NPU

License

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

References

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Paper for qualcomm/ResNeXt50