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DenseNet-121

Image Classification
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DenseNet-121: Optimized for Qualcomm Devices

Densenet 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 DenseNet-121 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 1.25.0 Download
ONNX w8a16 Universal QAIRT 2.45, ONNX Runtime 1.25.0 Download
ONNX w8a8 Universal QAIRT 2.45, ONNX Runtime 1.25.0 Download
QNN_DLC float Universal QAIRT 2.45 Download
QNN_DLC w8a16 Universal QAIRT 2.45 Download
QNN_DLC w8a8 Universal QAIRT 2.45 Download
TFLITE float Universal QAIRT 2.45 Download

For more device-specific assets and performance metrics, visit DenseNet-121 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 DenseNet-121 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: 7.99M
  • Model size (float): 30.5 MB
  • Model size (w8a16): 8.72 MB
  • Model size (w8a8): 8.30 MB

Performance Summary

Model Runtime Precision Chipset Inference Time (ms) Peak Memory Range (MB) Primary Compute Unit
DenseNet-121 ONNX float Snapdragon® X2 Elite 0.734 ms 2 - 2 MB NPU
DenseNet-121 ONNX float Snapdragon® X Elite 1.591 ms 15 - 15 MB NPU
DenseNet-121 ONNX float Snapdragon® 8 Gen 3 Mobile 1.072 ms 1 - 89 MB NPU
DenseNet-121 ONNX float Snapdragon® 8 Gen 1 Mobile 2.616 ms 1 - 90 MB NPU
DenseNet-121 ONNX float Qualcomm® Dragonwing™ QCS8550 (Proxy) 1.529 ms 1 - 3 MB NPU
DenseNet-121 ONNX float Qualcomm® QCS8450 2.616 ms 1 - 90 MB NPU
DenseNet-121 ONNX float Snapdragon® 8 Elite Gen 5 Mobile 0.669 ms 0 - 45 MB NPU
DenseNet-121 ONNX float Snapdragon® 8 Elite Mobile 0.781 ms 0 - 42 MB NPU
DenseNet-121 ONNX float Qualcomm® Dragonwing™ IQ-9075 2.378 ms 1 - 3 MB NPU
DenseNet-121 ONNX float Qualcomm® Dragonwing™ Q-8750 0.781 ms 0 - 42 MB NPU
DenseNet-121 ONNX float Qualcomm® Dragonwing™ IQ-X7181 1.591 ms 15 - 15 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® X2 Elite 1.784 ms 1 - 1 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® X Elite 2.942 ms 55 - 55 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® 8 Gen 3 Mobile 2.313 ms 0 - 117 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ QCS8550 (Proxy) 2.899 ms 0 - 58 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® 8 Elite Mobile 1.948 ms 0 - 90 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ IQ-9075 3.082 ms 0 - 3 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® 7 Gen 4 Mobile 3.673 ms 0 - 88 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® 8 Elite Gen 5 Mobile 1.603 ms 0 - 90 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ Q-6690 34.992 ms 0 - 204 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ Q-7790 3.673 ms 0 - 88 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ Q-8750 1.948 ms 0 - 90 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ IQ-X7181 2.942 ms 55 - 55 MB NPU
DenseNet-121 ONNX w8a8 Snapdragon® X2 Elite 0.492 ms 1 - 1 MB NPU
DenseNet-121 ONNX w8a8 Snapdragon® X Elite 0.9 ms 8 - 8 MB NPU
DenseNet-121 ONNX w8a8 Snapdragon® 8 Gen 3 Mobile 0.608 ms 0 - 114 MB NPU
DenseNet-121 ONNX w8a8 Snapdragon® 8 Gen 1 Mobile 1.504 ms 0 - 108 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ QCS6490 4.765 ms 0 - 3 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 0.864 ms 0 - 3 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® QCS8450 1.504 ms 0 - 108 MB NPU
DenseNet-121 ONNX w8a8 Snapdragon® 8 Elite Mobile 0.512 ms 0 - 92 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ IQ-9075 1.004 ms 0 - 3 MB NPU
DenseNet-121 ONNX w8a8 Snapdragon® 8 Elite Gen 5 Mobile 0.464 ms 0 - 94 MB NPU
DenseNet-121 ONNX w8a8 Snapdragon® 7 Gen 4 Mobile 1.013 ms 0 - 88 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ Q-6690 7.028 ms 0 - 206 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ Q-7790 1.013 ms 0 - 88 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ Q-8750 0.512 ms 0 - 92 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ IQ-X7181 0.9 ms 8 - 8 MB NPU
DenseNet-121 QNN_DLC float Snapdragon® X2 Elite 0.947 ms 1 - 1 MB NPU
DenseNet-121 QNN_DLC float Snapdragon® X Elite 2.016 ms 1 - 1 MB NPU
DenseNet-121 QNN_DLC float Snapdragon® 8 Gen 3 Mobile 1.203 ms 0 - 77 MB NPU
DenseNet-121 QNN_DLC float Snapdragon® 8 Gen 1 Mobile 3.297 ms 0 - 76 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® QCS8275 7.903 ms 1 - 38 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® Dragonwing™ QCS8550 (Proxy) 1.791 ms 1 - 2 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® SA8775P 2.714 ms 0 - 40 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® SA8650P 2.714 ms 0 - 40 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® SA8255P 2.714 ms 0 - 40 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® QCS8450 3.297 ms 0 - 76 MB NPU
DenseNet-121 QNN_DLC float Snapdragon® 8 Elite Gen 5 Mobile 0.724 ms 0 - 40 MB NPU
DenseNet-121 QNN_DLC float Snapdragon® 8 Elite Mobile 0.881 ms 0 - 38 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® SA7255P 7.903 ms 1 - 38 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® SA8295P 3.044 ms 0 - 35 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® Dragonwing™ IQ-9075 2.753 ms 1 - 3 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® Dragonwing™ Q-8750 0.881 ms 0 - 38 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® Dragonwing™ IQ-X7181 2.016 ms 1 - 1 MB NPU
DenseNet-121 QNN_DLC w8a16 Snapdragon® X2 Elite 1.428 ms 0 - 0 MB NPU
DenseNet-121 QNN_DLC w8a16 Snapdragon® X Elite 3.146 ms 0 - 0 MB NPU
DenseNet-121 QNN_DLC w8a16 Snapdragon® 8 Gen 3 Mobile 1.984 ms 0 - 87 MB NPU
DenseNet-121 QNN_DLC w8a16 Snapdragon® 8 Gen 1 Mobile 4.463 ms 0 - 87 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® QCS8275 5.769 ms 0 - 65 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® Dragonwing™ QCS8550 (Proxy) 2.817 ms 0 - 18 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® SA8775P 3.188 ms 0 - 69 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® SA8650P 3.188 ms 0 - 69 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® SA8255P 3.188 ms 0 - 69 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® QCS8450 4.463 ms 0 - 87 MB NPU
DenseNet-121 QNN_DLC w8a16 Snapdragon® 8 Elite Mobile 1.718 ms 0 - 57 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® SA7255P 5.769 ms 0 - 65 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® SA8295P 4.904 ms 0 - 64 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® Dragonwing™ IQ-9075 3.33 ms 0 - 2 MB NPU
DenseNet-121 QNN_DLC w8a16 Snapdragon® 8 Elite Gen 5 Mobile 1.104 ms 0 - 77 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® Dragonwing™ Q-8750 1.718 ms 0 - 57 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® Dragonwing™ IQ-X7181 3.146 ms 0 - 0 MB NPU
DenseNet-121 QNN_DLC w8a8 Snapdragon® X2 Elite 1.146 ms 0 - 0 MB NPU
DenseNet-121 QNN_DLC w8a8 Snapdragon® X Elite 2.616 ms 0 - 0 MB NPU
DenseNet-121 QNN_DLC w8a8 Snapdragon® 8 Gen 3 Mobile 1.686 ms 0 - 77 MB NPU
DenseNet-121 QNN_DLC w8a8 Snapdragon® 8 Gen 1 Mobile 2.901 ms 0 - 82 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® QCS8275 5.003 ms 0 - 60 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 2.357 ms 0 - 15 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® SA8775P 2.697 ms 0 - 64 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® SA8650P 2.697 ms 0 - 64 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® SA8255P 2.697 ms 0 - 64 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® QCS8450 2.901 ms 0 - 82 MB NPU
DenseNet-121 QNN_DLC w8a8 Snapdragon® 8 Elite Mobile 1.043 ms 0 - 56 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-9075 2.504 ms 2 - 4 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® SA7255P 5.003 ms 0 - 60 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® SA8295P 3.376 ms 0 - 58 MB NPU
DenseNet-121 QNN_DLC w8a8 Snapdragon® 8 Elite Gen 5 Mobile 0.9 ms 0 - 67 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® Dragonwing™ Q-8750 1.043 ms 0 - 56 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-X7181 2.616 ms 0 - 0 MB NPU
DenseNet-121 TFLITE float Snapdragon® 8 Gen 3 Mobile 1.207 ms 0 - 85 MB NPU
DenseNet-121 TFLITE float Snapdragon® 8 Gen 1 Mobile 3.3 ms 0 - 90 MB NPU
DenseNet-121 TFLITE float Qualcomm® QCS8275 7.917 ms 0 - 52 MB NPU
DenseNet-121 TFLITE float Qualcomm® Dragonwing™ QCS8550 (Proxy) 1.815 ms 0 - 4 MB NPU
DenseNet-121 TFLITE float Qualcomm® SA8775P 2.712 ms 0 - 56 MB NPU
DenseNet-121 TFLITE float Qualcomm® SA8650P 2.712 ms 0 - 56 MB NPU
DenseNet-121 TFLITE float Qualcomm® SA8255P 2.712 ms 0 - 56 MB NPU
DenseNet-121 TFLITE float Qualcomm® QCS8450 3.3 ms 0 - 90 MB NPU
DenseNet-121 TFLITE float Snapdragon® 8 Elite Gen 5 Mobile 0.722 ms 0 - 55 MB NPU
DenseNet-121 TFLITE float Snapdragon® 8 Elite Mobile 0.882 ms 0 - 51 MB NPU
DenseNet-121 TFLITE float Qualcomm® SA7255P 7.917 ms 0 - 52 MB NPU
DenseNet-121 TFLITE float Qualcomm® SA8295P 3.079 ms 0 - 49 MB NPU
DenseNet-121 TFLITE float Qualcomm® Dragonwing™ IQ-9075 2.827 ms 0 - 18 MB NPU
DenseNet-121 TFLITE float Qualcomm® Dragonwing™ Q-8750 0.882 ms 0 - 51 MB NPU

License

  • The license for the original implementation of DenseNet-121 can be found here.

References

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Paper for qualcomm/DenseNet-121