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ResNeXt50

Image Classification
PyTorch
backbone
bu_auto
android
Model card Files
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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:

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

Performance Summary

Model Runtime Precision Chipset Inference Time (ms) Peak Memory Range (MB) Primary Compute Unit
ResNeXt50 ONNX float Snapdragon® X2 Elite 1.114 ms 2 - 2 MB NPU
ResNeXt50 ONNX float Snapdragon® X Elite 2.234 ms 50 - 50 MB NPU
ResNeXt50 ONNX float Snapdragon® 8 Gen 3 Mobile 1.63 ms 0 - 136 MB NPU
ResNeXt50 ONNX float Snapdragon® 8 Gen 1 Mobile 3.484 ms 0 - 115 MB NPU
ResNeXt50 ONNX float Qualcomm® Dragonwing™ QCS8550 (Proxy) 2.268 ms 0 - 57 MB NPU
ResNeXt50 ONNX float Qualcomm® QCS8450 3.484 ms 0 - 115 MB NPU
ResNeXt50 ONNX float Qualcomm® Dragonwing™ IQ-9075 3.444 ms 0 - 4 MB NPU
ResNeXt50 ONNX float Qualcomm® Dragonwing™ IQ-X7181 2.234 ms 50 - 50 MB NPU
ResNeXt50 ONNX float Qualcomm® Dragonwing™ Q-8750 1.384 ms 0 - 73 MB NPU
ResNeXt50 ONNX float Snapdragon® 8 Elite Mobile 1.384 ms 0 - 73 MB NPU
ResNeXt50 ONNX float Snapdragon® 8 Elite Gen 5 Mobile 1.145 ms 0 - 74 MB NPU
ResNeXt50 ONNX w8a8 Snapdragon® X2 Elite 0.51 ms 1 - 1 MB NPU
ResNeXt50 ONNX w8a8 Snapdragon® X Elite 1.091 ms 26 - 26 MB NPU
ResNeXt50 ONNX w8a8 Snapdragon® 8 Gen 3 Mobile 0.816 ms 0 - 108 MB NPU
ResNeXt50 ONNX w8a8 Snapdragon® 8 Gen 1 Mobile 1.481 ms 0 - 107 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® Dragonwing™ QCS6490 4.072 ms 0 - 3 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 1.1 ms 0 - 185 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® QCS8450 1.481 ms 0 - 107 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® Dragonwing™ IQ-9075 1.323 ms 0 - 3 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® Dragonwing™ IQ-X7181 1.091 ms 26 - 26 MB NPU
ResNeXt50 ONNX w8a8 Qualcomm® Dragonwing™ Q-8750 0.702 ms 0 - 76 MB NPU
ResNeXt50 ONNX w8a8 Snapdragon® 8 Elite Mobile 0.702 ms 0 - 76 MB NPU
ResNeXt50 ONNX w8a8 Snapdragon® 8 Elite Gen 5 Mobile 0.617 ms 0 - 80 MB NPU
ResNeXt50 QNN_DLC float Snapdragon® X2 Elite 1.44 ms 1 - 1 MB NPU
ResNeXt50 QNN_DLC float Snapdragon® X Elite 2.66 ms 1 - 1 MB NPU
ResNeXt50 QNN_DLC float Snapdragon® 8 Gen 3 Mobile 1.789 ms 0 - 133 MB NPU
ResNeXt50 QNN_DLC float Snapdragon® 8 Gen 1 Mobile 4.018 ms 0 - 114 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® Dragonwing™ QCS8275 12.017 ms 1 - 72 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® Dragonwing™ QCS8550 (Proxy) 2.523 ms 1 - 3 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® SA8775P 3.818 ms 1 - 74 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® SA8650P 3.818 ms 1 - 74 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® SA8255P 3.818 ms 1 - 74 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® QCS8450 4.018 ms 0 - 114 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® Dragonwing™ IQ-9075 3.633 ms 1 - 3 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® Dragonwing™ IQ-X7181 2.66 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 12.017 ms 1 - 72 MB NPU
ResNeXt50 QNN_DLC float Qualcomm® SA8295P 4.098 ms 0 - 51 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 0.612 ms 0 - 0 MB NPU
ResNeXt50 QNN_DLC w8a8 Snapdragon® X Elite 1.224 ms 0 - 0 MB NPU
ResNeXt50 QNN_DLC w8a8 Snapdragon® 8 Gen 3 Mobile 0.781 ms 0 - 101 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 4.188 ms 0 - 2 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ QCS8275 2.459 ms 0 - 74 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 1.077 ms 0 - 2 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® SA8775P 1.456 ms 0 - 74 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® SA8650P 1.456 ms 0 - 74 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® SA8255P 1.456 ms 0 - 74 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® QCS8450 1.46 ms 0 - 101 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-9075 1.296 ms 2 - 4 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-X7181 1.224 ms 0 - 0 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ Q-6690 7.757 ms 0 - 196 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ Q-7790 1.376 ms 0 - 77 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® Dragonwing™ Q-8750 0.637 ms 0 - 76 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® SA7255P 2.459 ms 0 - 74 MB NPU
ResNeXt50 QNN_DLC w8a8 Qualcomm® SA8295P 1.772 ms 0 - 71 MB NPU
ResNeXt50 QNN_DLC w8a8 Snapdragon® 8 Elite Mobile 0.637 ms 0 - 76 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 1.376 ms 0 - 77 MB NPU
ResNeXt50 TFLITE float Snapdragon® 8 Gen 3 Mobile 1.76 ms 0 - 171 MB NPU
ResNeXt50 TFLITE float Snapdragon® 8 Gen 1 Mobile 4.0 ms 0 - 151 MB NPU
ResNeXt50 TFLITE float Qualcomm® Dragonwing™ QCS8275 12.028 ms 0 - 112 MB NPU
ResNeXt50 TFLITE float Qualcomm® Dragonwing™ QCS8550 (Proxy) 2.472 ms 0 - 2 MB NPU
ResNeXt50 TFLITE float Qualcomm® SA8775P 3.828 ms 0 - 113 MB NPU
ResNeXt50 TFLITE float Qualcomm® SA8650P 3.828 ms 0 - 113 MB NPU
ResNeXt50 TFLITE float Qualcomm® SA8255P 3.828 ms 0 - 113 MB NPU
ResNeXt50 TFLITE float Qualcomm® QCS8450 4.0 ms 0 - 151 MB NPU
ResNeXt50 TFLITE float Qualcomm® Dragonwing™ IQ-9075 3.771 ms 0 - 52 MB NPU
ResNeXt50 TFLITE float Qualcomm® Dragonwing™ Q-8750 1.434 ms 0 - 116 MB NPU
ResNeXt50 TFLITE float Qualcomm® SA7255P 12.028 ms 0 - 112 MB NPU
ResNeXt50 TFLITE float Qualcomm® SA8295P 4.14 ms 0 - 87 MB NPU
ResNeXt50 TFLITE float Snapdragon® 8 Elite Mobile 1.434 ms 0 - 116 MB NPU
ResNeXt50 TFLITE float Snapdragon® 8 Elite Gen 5 Mobile 1.194 ms 0 - 118 MB NPU
ResNeXt50 TFLITE w8a8 Snapdragon® 8 Gen 3 Mobile 0.668 ms 0 - 102 MB NPU
ResNeXt50 TFLITE w8a8 Snapdragon® 8 Gen 1 Mobile 1.285 ms 0 - 99 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® Dragonwing™ QCS6490 3.834 ms 0 - 27 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® Dragonwing™ QCS8275 2.209 ms 0 - 70 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 0.896 ms 0 - 2 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® SA8775P 1.268 ms 0 - 72 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® SA8650P 1.268 ms 0 - 72 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® SA8255P 1.268 ms 0 - 72 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® QCS8450 1.285 ms 0 - 99 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® Dragonwing™ IQ-9075 1.087 ms 0 - 27 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® Dragonwing™ Q-6690 7.107 ms 0 - 198 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® Dragonwing™ Q-7790 1.219 ms 0 - 70 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® Dragonwing™ Q-8750 0.579 ms 0 - 73 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® SA7255P 2.209 ms 0 - 70 MB NPU
ResNeXt50 TFLITE w8a8 Qualcomm® SA8295P 1.568 ms 0 - 65 MB NPU
ResNeXt50 TFLITE w8a8 Snapdragon® 8 Elite Mobile 0.579 ms 0 - 73 MB NPU
ResNeXt50 TFLITE w8a8 Snapdragon® 8 Elite Gen 5 Mobile 0.49 ms 0 - 68 MB NPU
ResNeXt50 TFLITE w8a8 Snapdragon® 7 Gen 4 Mobile 1.219 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