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DenseNet-121

Image Classification
PyTorch
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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 2.50, ONNX Runtime 1.30.0 Download
ONNX w8a16 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 w8a16 Universal QAIRT 2.50 Download
QNN_DLC w8a8 Universal QAIRT 2.50 Download
TFLITE float Universal QAIRT 2.50 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:

  • Input resolution: 224x224
  • Model checkpoint: Imagenet
  • Model size (float): 30.5 MB
  • Model size (w8a16): 8.72 MB
  • Model size (w8a8): 8.30 MB
  • Number of parameters: 7.99M

Performance Summary

Model Runtime Precision Chipset Inference Time (ms) Peak Memory Range (MB) Primary Compute Unit
DenseNet-121 ONNX float Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 0.677 ms 0 - 47 MB NPU
DenseNet-121 ONNX float Snapdragon® 8 Elite For Galaxy Mobile 0.781 ms 0 - 51 MB NPU
DenseNet-121 ONNX float Snapdragon® X2 Elite 0.72 ms 2 - 2 MB NPU
DenseNet-121 ONNX float Snapdragon® X Elite 1.569 ms 16 - 16 MB NPU
DenseNet-121 ONNX float Snapdragon® 8 Gen 3 Mobile 1.069 ms 0 - 97 MB NPU
DenseNet-121 ONNX float Snapdragon® 8 Gen 1 Mobile 2.441 ms 1 - 94 MB NPU
DenseNet-121 ONNX float Qualcomm® Dragonwing™ IQ-8275 2.439 ms 1 - 5 MB NPU
DenseNet-121 ONNX float Qualcomm® Dragonwing™ QCS8550 (Proxy) 1.524 ms 0 - 17 MB NPU
DenseNet-121 ONNX float Qualcomm® QCS8450 2.441 ms 1 - 94 MB NPU
DenseNet-121 ONNX float Qualcomm® Dragonwing™ IQ-9075 2.375 ms 1 - 4 MB NPU
DenseNet-121 ONNX float Qualcomm® Dragonwing™ IQ-X7181 1.569 ms 16 - 16 MB NPU
DenseNet-121 ONNX float Qualcomm® Dragonwing™ Q-8750 0.781 ms 0 - 51 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 1.013 ms 0 - 108 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® 8 Elite For Galaxy Mobile 1.629 ms 0 - 95 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® X2 Elite 1.062 ms 1 - 1 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® X Elite 2.642 ms 8 - 8 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® 8 Gen 3 Mobile 1.793 ms 0 - 129 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® 8 Gen 1 Mobile 3.92 ms 0 - 127 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ IQ-8275 2.526 ms 0 - 4 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ QCS8550 (Proxy) 2.569 ms 0 - 12 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® QCS8450 3.92 ms 0 - 127 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ IQ-9075 2.747 ms 0 - 4 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ IQ-X7181 2.642 ms 8 - 8 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ Q-7790 1.903 ms 0 - 193 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ Q-8750 1.629 ms 0 - 95 MB NPU
DenseNet-121 ONNX w8a8 Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 0.997 ms 0 - 102 MB NPU
DenseNet-121 ONNX w8a8 Snapdragon® 8 Elite For Galaxy Mobile 1.095 ms 0 - 91 MB NPU
DenseNet-121 ONNX w8a8 Snapdragon® X2 Elite 1.004 ms 1 - 1 MB NPU
DenseNet-121 ONNX w8a8 Snapdragon® X Elite 2.462 ms 8 - 8 MB NPU
DenseNet-121 ONNX w8a8 Snapdragon® 8 Gen 3 Mobile 1.716 ms 0 - 124 MB NPU
DenseNet-121 ONNX w8a8 Snapdragon® 8 Gen 1 Mobile 2.81 ms 0 - 121 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ IQ-8275 2.393 ms 0 - 4 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 2.386 ms 0 - 12 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® QCS8450 2.81 ms 0 - 121 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ IQ-9075 2.559 ms 0 - 3 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ IQ-X7181 2.462 ms 8 - 8 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ Q-8750 1.095 ms 0 - 91 MB NPU
DenseNet-121 QNN_DLC float Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 0.725 ms 1 - 42 MB NPU
DenseNet-121 QNN_DLC float Snapdragon® 8 Elite For Galaxy Mobile 0.88 ms 0 - 44 MB NPU
DenseNet-121 QNN_DLC float Snapdragon® X2 Elite 0.913 ms 1 - 1 MB NPU
DenseNet-121 QNN_DLC float Snapdragon® X Elite 1.988 ms 1 - 1 MB NPU
DenseNet-121 QNN_DLC float Snapdragon® 8 Gen 3 Mobile 1.219 ms 0 - 76 MB NPU
DenseNet-121 QNN_DLC float Snapdragon® 8 Gen 1 Mobile 3.038 ms 0 - 81 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® Dragonwing™ IQ-8275 2.519 ms 1 - 4 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® Dragonwing™ QCS8550 (Proxy) 1.791 ms 1 - 2 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® QCS8450 3.038 ms 0 - 81 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® Dragonwing™ IQ-9075 2.507 ms 1 - 3 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® Dragonwing™ IQ-X7181 1.988 ms 1 - 1 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® Dragonwing™ Q-8750 0.88 ms 0 - 44 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® SA7255P 7.905 ms 1 - 41 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® SA8295P 2.929 ms 0 - 39 MB NPU
DenseNet-121 QNN_DLC w8a16 Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 1.065 ms 0 - 75 MB NPU
DenseNet-121 QNN_DLC w8a16 Snapdragon® 8 Elite For Galaxy Mobile 1.706 ms 0 - 60 MB NPU
DenseNet-121 QNN_DLC w8a16 Snapdragon® X2 Elite 1.409 ms 0 - 0 MB NPU
DenseNet-121 QNN_DLC w8a16 Snapdragon® X Elite 3.125 ms 0 - 0 MB NPU
DenseNet-121 QNN_DLC w8a16 Snapdragon® 8 Gen 3 Mobile 1.994 ms 0 - 88 MB NPU
DenseNet-121 QNN_DLC w8a16 Snapdragon® 8 Gen 1 Mobile 4.191 ms 0 - 91 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® Dragonwing™ IQ-8275 2.755 ms 0 - 3 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® Dragonwing™ QCS8550 (Proxy) 2.803 ms 0 - 2 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® SA8775P 3.173 ms 0 - 70 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® SA8650P 3.173 ms 0 - 70 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® SA8255P 3.173 ms 0 - 70 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® QCS8450 4.191 ms 0 - 91 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® Dragonwing™ IQ-9075 3.007 ms 2 - 5 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® Dragonwing™ IQ-X7181 3.125 ms 0 - 0 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® Dragonwing™ Q-8750 1.706 ms 0 - 60 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® SA7255P 5.902 ms 0 - 68 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® SA8295P 4.828 ms 0 - 67 MB NPU
DenseNet-121 QNN_DLC w8a8 Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 0.913 ms 0 - 70 MB NPU
DenseNet-121 QNN_DLC w8a8 Snapdragon® 8 Elite For Galaxy Mobile 1.052 ms 0 - 61 MB NPU
DenseNet-121 QNN_DLC w8a8 Snapdragon® X2 Elite 1.181 ms 0 - 0 MB NPU
DenseNet-121 QNN_DLC w8a8 Snapdragon® X Elite 2.632 ms 0 - 0 MB NPU
DenseNet-121 QNN_DLC w8a8 Snapdragon® 8 Gen 3 Mobile 1.704 ms 0 - 83 MB NPU
DenseNet-121 QNN_DLC w8a8 Snapdragon® 8 Gen 1 Mobile 2.817 ms 0 - 87 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-8275 2.359 ms 0 - 3 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 2.369 ms 0 - 55 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® SA8775P 2.702 ms 0 - 68 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® SA8650P 2.702 ms 0 - 68 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® SA8255P 2.702 ms 0 - 68 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® QCS8450 2.817 ms 0 - 87 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-9075 2.533 ms 2 - 4 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-X7181 2.632 ms 0 - 0 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® Dragonwing™ Q-8750 1.052 ms 0 - 61 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® SA7255P 5.044 ms 0 - 65 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® SA8295P 3.298 ms 0 - 64 MB NPU
DenseNet-121 TFLITE float Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 0.722 ms 0 - 55 MB NPU
DenseNet-121 TFLITE float Snapdragon® 8 Elite For Galaxy Mobile 0.867 ms 0 - 59 MB NPU
DenseNet-121 TFLITE float Snapdragon® 8 Gen 3 Mobile 1.218 ms 0 - 90 MB NPU
DenseNet-121 TFLITE float Snapdragon® 8 Gen 1 Mobile 3.012 ms 0 - 95 MB NPU
DenseNet-121 TFLITE float Qualcomm® Dragonwing™ IQ-8275 2.57 ms 0 - 20 MB NPU
DenseNet-121 TFLITE float Qualcomm® Dragonwing™ QCS8550 (Proxy) 1.786 ms 0 - 2 MB NPU
DenseNet-121 TFLITE float Qualcomm® SA8650P 2.696 ms 0 - 60 MB NPU
DenseNet-121 TFLITE float Qualcomm® SA8255P 2.696 ms 0 - 60 MB NPU
DenseNet-121 TFLITE float Qualcomm® QCS8450 3.012 ms 0 - 95 MB NPU
DenseNet-121 TFLITE float Qualcomm® Dragonwing™ IQ-9075 2.533 ms 0 - 19 MB NPU
DenseNet-121 TFLITE float Qualcomm® Dragonwing™ Q-8750 0.867 ms 0 - 59 MB NPU
DenseNet-121 TFLITE float Qualcomm® SA8295P 2.937 ms 0 - 53 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