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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 2.45, 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 1.116 ms 2 - 2 MB NPU
ResNeXt50 ONNX float Snapdragon® X Elite 2.218 ms 50 - 50 MB NPU
ResNeXt50 ONNX float Snapdragon® 8 Gen 3 Mobile 1.659 ms 0 - 134 MB NPU
ResNeXt50 ONNX float Snapdragon® 8 Gen 1 Mobile 3.49 ms 0 - 116 MB NPU
ResNeXt50 ONNX float Qualcomm® Dragonwing™ IQ-8275 3.79 ms 0 - 4 MB NPU
ResNeXt50 ONNX float Qualcomm® Dragonwing™ QCS8550 (Proxy) 2.275 ms 0 - 59 MB NPU
ResNeXt50 ONNX float Qualcomm® QCS8450 3.49 ms 0 - 116 MB NPU
ResNeXt50 ONNX float Qualcomm® Dragonwing™ IQ-9075 3.453 ms 1 - 4 MB NPU
ResNeXt50 ONNX float Qualcomm® Dragonwing™ IQ-X7181 2.218 ms 50 - 50 MB NPU
ResNeXt50 ONNX float Qualcomm® Dragonwing™ Q-8750 1.381 ms 0 - 73 MB NPU
ResNeXt50 ONNX float Snapdragon® 8 Elite Mobile 1.381 ms 0 - 73 MB NPU
ResNeXt50 ONNX float Snapdragon® 8 Elite Gen 5 Mobile 1.147 ms 1 - 74 MB NPU
ResNeXt50 ONNX w8a8 Snapdragon® X2 Elite 0.52 ms 1 - 1 MB NPU
ResNeXt50 ONNX w8a8 Snapdragon® X Elite 1.094 ms 26 - 26 MB NPU
ResNeXt50 ONNX w8a8 Snapdragon® 8 Gen 3 Mobile 0.802 ms 0 - 107 MB NPU
ResNeXt50 ONNX w8a8 Snapdragon® 8 Gen 1 Mobile 1.482 ms 0 - 106 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® Dragonwing™ QCS6490 4.114 ms 0 - 3 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® Dragonwing™ IQ-8275 1.217 ms 0 - 4 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 1.099 ms 0 - 30 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® QCS8450 1.482 ms 0 - 106 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® Dragonwing™ IQ-9075 1.383 ms 0 - 3 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® Dragonwing™ IQ-X7181 1.094 ms 26 - 26 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® Dragonwing™ Q-6690 7.805 ms 0 - 198 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® Dragonwing™ Q-7790 1.367 ms 0 - 85 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® Dragonwing™ Q-8750 0.684 ms 0 - 75 MB NPU
ResNeXt50 ONNX w8a8 Snapdragon® 8 Elite Mobile 0.684 ms 0 - 75 MB NPU
ResNeXt50 ONNX w8a8 Snapdragon® 8 Elite Gen 5 Mobile 0.614 ms 0 - 80 MB NPU
ResNeXt50 ONNX w8a8 Snapdragon® 7 Gen 4 Mobile 1.367 ms 0 - 85 MB NPU
ResNeXt50 QNN_DLC float Snapdragon® X2 Elite 1.448 ms 1 - 1 MB NPU
ResNeXt50 QNN_DLC float Snapdragon® X Elite 2.68 ms 1 - 1 MB NPU
ResNeXt50 QNN_DLC float Snapdragon® 8 Gen 3 Mobile 1.793 ms 0 - 134 MB NPU
ResNeXt50 QNN_DLC float Snapdragon® 8 Gen 1 Mobile 4.024 ms 0 - 114 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® Dragonwing™ IQ-8275 3.836 ms 1 - 4 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® Dragonwing™ IQ-8275 12.044 ms 1 - 72 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® Dragonwing™ QCS8550 (Proxy) 2.519 ms 1 - 2 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® SA8775P 3.83 ms 1 - 73 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® SA8650P 3.83 ms 1 - 73 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® SA8255P 3.83 ms 1 - 73 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® QCS8450 4.024 ms 0 - 114 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® Dragonwing™ IQ-9075 3.632 ms 3 - 5 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® Dragonwing™ IQ-X7181 2.68 ms 1 - 1 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® Dragonwing™ Q-8750 1.485 ms 1 - 73 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® SA7255P 12.044 ms 1 - 72 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® SA8295P 4.119 ms 0 - 57 MB NPU
ResNeXt50 QNN_DLC float Snapdragon® 8 Elite Mobile 1.485 ms 1 - 73 MB NPU
ResNeXt50 QNN_DLC float Snapdragon® 8 Elite Gen 5 Mobile 1.179 ms 1 - 74 MB NPU
ResNeXt50 QNN_DLC w8a8 Snapdragon® X2 Elite 0.656 ms 0 - 0 MB NPU
ResNeXt50 QNN_DLC w8a8 Snapdragon® X Elite 1.222 ms 0 - 0 MB NPU
ResNeXt50 QNN_DLC w8a8 Snapdragon® 8 Gen 3 Mobile 0.794 ms 0 - 102 MB NPU
ResNeXt50 QNN_DLC w8a8 Snapdragon® 8 Gen 1 Mobile 1.46 ms 0 - 101 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ QCS6490 4.135 ms 2 - 4 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-8275 1.154 ms 0 - 3 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-8275 2.449 ms 0 - 72 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 1.075 ms 0 - 50 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® SA8775P 1.454 ms 0 - 75 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® SA8650P 1.454 ms 0 - 75 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® SA8255P 1.454 ms 0 - 75 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® QCS8450 1.46 ms 0 - 101 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-9075 1.298 ms 0 - 2 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-X7181 1.222 ms 0 - 0 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ Q-6690 7.761 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 0.646 ms 0 - 76 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® SA7255P 2.449 ms 0 - 72 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® SA8295P 1.761 ms 0 - 71 MB NPU
ResNeXt50 QNN_DLC w8a8 Snapdragon® 8 Elite Mobile 0.646 ms 0 - 76 MB NPU
ResNeXt50 QNN_DLC w8a8 Snapdragon® 8 Elite Gen 5 Mobile 0.544 ms 0 - 77 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 1.759 ms 0 - 171 MB NPU
ResNeXt50 TFLITE float Snapdragon® 8 Gen 1 Mobile 4.004 ms 0 - 153 MB NPU
ResNeXt50 TFLITE float Qualcomm® Dragonwing™ IQ-8275 3.827 ms 0 - 53 MB NPU
ResNeXt50 TFLITE float Qualcomm® Dragonwing™ IQ-8275 12.02 ms 0 - 112 MB NPU
ResNeXt50 TFLITE float Qualcomm® Dragonwing™ QCS8550 (Proxy) 2.484 ms 0 - 7 MB NPU
ResNeXt50 TFLITE float Qualcomm® SA8775P 3.848 ms 0 - 114 MB NPU
ResNeXt50 TFLITE float Qualcomm® SA8650P 3.848 ms 0 - 114 MB NPU
ResNeXt50 TFLITE float Qualcomm® SA8255P 3.848 ms 0 - 114 MB NPU
ResNeXt50 TFLITE float Qualcomm® QCS8450 4.004 ms 0 - 153 MB NPU
ResNeXt50 TFLITE float Qualcomm® Dragonwing™ IQ-9075 3.589 ms 0 - 52 MB NPU
ResNeXt50 TFLITE float Qualcomm® Dragonwing™ Q-8750 1.433 ms 0 - 115 MB NPU
ResNeXt50 TFLITE float Qualcomm® SA7255P 12.02 ms 0 - 112 MB NPU
ResNeXt50 TFLITE float Qualcomm® SA8295P 4.149 ms 0 - 86 MB NPU
ResNeXt50 TFLITE float Snapdragon® 8 Elite Mobile 1.433 ms 0 - 115 MB NPU
ResNeXt50 TFLITE float Snapdragon® 8 Elite Gen 5 Mobile 1.191 ms 0 - 117 MB NPU
ResNeXt50 TFLITE w8a8 Snapdragon® 8 Gen 3 Mobile 0.678 ms 0 - 101 MB NPU
ResNeXt50 TFLITE w8a8 Snapdragon® 8 Gen 1 Mobile 1.283 ms 0 - 98 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® Dragonwing™ QCS6490 3.881 ms 0 - 27 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® Dragonwing™ IQ-8275 1.008 ms 0 - 28 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® Dragonwing™ IQ-8275 2.232 ms 0 - 69 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 0.897 ms 0 - 2 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® SA8775P 1.258 ms 0 - 72 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® SA8650P 1.258 ms 0 - 72 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® SA8255P 1.258 ms 0 - 72 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® QCS8450 1.283 ms 0 - 98 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® Dragonwing™ IQ-9075 1.088 ms 0 - 27 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® Dragonwing™ Q-6690 7.348 ms 0 - 193 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® Dragonwing™ Q-7790 1.221 ms 0 - 70 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® Dragonwing™ Q-8750 0.558 ms 0 - 73 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® SA7255P 2.232 ms 0 - 69 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® SA8295P 1.579 ms 0 - 64 MB NPU
ResNeXt50 TFLITE w8a8 Snapdragon® 8 Elite Mobile 0.558 ms 0 - 73 MB NPU
ResNeXt50 TFLITE w8a8 Snapdragon® 8 Elite Gen 5 Mobile 0.493 ms 0 - 69 MB NPU
ResNeXt50 TFLITE w8a8 Snapdragon® 7 Gen 4 Mobile 1.221 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