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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 1.27.1 Download
ONNX w8a16 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 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:

  • 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® X2 Elite 0.73 ms 2 - 2 MB NPU
DenseNet-121 ONNX float Snapdragon® X Elite 1.586 ms 16 - 16 MB NPU
DenseNet-121 ONNX float Snapdragon® 8 Gen 3 Mobile 1.058 ms 0 - 93 MB NPU
DenseNet-121 ONNX float Snapdragon® 8 Gen 1 Mobile 2.621 ms 1 - 92 MB NPU
DenseNet-121 ONNX float Qualcomm® Dragonwing™ IQ-8275 2.463 ms 1 - 4 MB NPU
DenseNet-121 ONNX float Qualcomm® Dragonwing™ QCS8550 (Proxy) 1.526 ms 0 - 46 MB NPU
DenseNet-121 ONNX float Qualcomm® QCS8450 2.621 ms 1 - 92 MB NPU
DenseNet-121 ONNX float Qualcomm® Dragonwing™ IQ-9075 2.382 ms 1 - 3 MB NPU
DenseNet-121 ONNX float Qualcomm® Dragonwing™ IQ-X7181 1.586 ms 16 - 16 MB NPU
DenseNet-121 ONNX float Qualcomm® Dragonwing™ Q-8750 0.782 ms 0 - 44 MB NPU
DenseNet-121 ONNX float Snapdragon® 8 Elite Mobile 0.782 ms 0 - 44 MB NPU
DenseNet-121 ONNX float Snapdragon® 8 Elite Gen 5 Mobile 0.668 ms 0 - 47 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® X2 Elite 0.845 ms 1 - 1 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® X Elite 1.824 ms 9 - 9 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® 8 Gen 3 Mobile 1.261 ms 0 - 105 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® 8 Gen 1 Mobile 2.238 ms 0 - 106 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ QCS6490 7.205 ms 0 - 3 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ IQ-8275 1.858 ms 0 - 4 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ QCS8550 (Proxy) 1.791 ms 0 - 120 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® QCS8450 2.238 ms 0 - 106 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ IQ-9075 1.981 ms 0 - 3 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ IQ-X7181 1.824 ms 9 - 9 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ Q-6690 10.628 ms 0 - 201 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ Q-7790 1.901 ms 0 - 196 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ Q-8750 0.891 ms 0 - 84 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® 8 Elite Mobile 0.891 ms 0 - 84 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® 8 Elite Gen 5 Mobile 0.782 ms 0 - 83 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® 7 Gen 4 Mobile 1.901 ms 0 - 196 MB NPU
DenseNet-121 ONNX w8a8 Snapdragon® X2 Elite 0.485 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 - 110 MB NPU
DenseNet-121 ONNX w8a8 Snapdragon® 8 Gen 1 Mobile 1.505 ms 0 - 105 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ QCS6490 4.856 ms 0 - 3 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ IQ-8275 0.929 ms 0 - 4 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 0.846 ms 0 - 12 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® QCS8450 1.505 ms 0 - 105 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ IQ-9075 0.981 ms 0 - 3 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ IQ-X7181 0.9 ms 8 - 8 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ Q-6690 7.027 ms 0 - 205 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ Q-7790 1.016 ms 0 - 86 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ Q-8750 0.513 ms 0 - 87 MB NPU
DenseNet-121 ONNX w8a8 Snapdragon® 8 Elite Mobile 0.513 ms 0 - 87 MB NPU
DenseNet-121 ONNX w8a8 Snapdragon® 8 Elite Gen 5 Mobile 0.458 ms 0 - 90 MB NPU
DenseNet-121 ONNX w8a8 Snapdragon® 7 Gen 4 Mobile 1.016 ms 0 - 86 MB NPU
DenseNet-121 QNN_DLC float Snapdragon® X2 Elite 0.955 ms 1 - 1 MB NPU
DenseNet-121 QNN_DLC float Snapdragon® X Elite 2.011 ms 1 - 1 MB NPU
DenseNet-121 QNN_DLC float Snapdragon® 8 Gen 3 Mobile 1.216 ms 0 - 71 MB NPU
DenseNet-121 QNN_DLC float Snapdragon® 8 Gen 1 Mobile 3.286 ms 0 - 76 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® Dragonwing™ IQ-8275 2.517 ms 1 - 4 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® Dragonwing™ IQ-8275 7.878 ms 1 - 37 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® Dragonwing™ QCS8550 (Proxy) 1.795 ms 1 - 2 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® SA8775P 2.699 ms 1 - 40 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® SA8650P 2.699 ms 1 - 40 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® SA8255P 2.699 ms 1 - 40 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® QCS8450 3.286 ms 0 - 76 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® Dragonwing™ IQ-9075 2.532 ms 3 - 5 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® Dragonwing™ IQ-X7181 2.011 ms 1 - 1 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® Dragonwing™ Q-8750 0.882 ms 0 - 42 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® SA7255P 7.878 ms 1 - 37 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® SA8295P 3.08 ms 0 - 35 MB NPU
DenseNet-121 QNN_DLC float Snapdragon® 8 Elite Mobile 0.882 ms 0 - 42 MB NPU
DenseNet-121 QNN_DLC float Snapdragon® 8 Elite Gen 5 Mobile 0.72 ms 1 - 40 MB NPU
DenseNet-121 QNN_DLC w8a16 Snapdragon® X2 Elite 1.438 ms 0 - 0 MB NPU
DenseNet-121 QNN_DLC w8a16 Snapdragon® X Elite 3.122 ms 0 - 0 MB NPU
DenseNet-121 QNN_DLC w8a16 Snapdragon® 8 Gen 3 Mobile 1.985 ms 0 - 85 MB NPU
DenseNet-121 QNN_DLC w8a16 Snapdragon® 8 Gen 1 Mobile 4.427 ms 0 - 87 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® Dragonwing™ IQ-8275 2.742 ms 0 - 3 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® Dragonwing™ IQ-8275 5.795 ms 0 - 65 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® Dragonwing™ QCS8550 (Proxy) 2.806 ms 0 - 31 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® SA8775P 3.198 ms 0 - 68 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® SA8650P 3.198 ms 0 - 68 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® SA8255P 3.198 ms 0 - 68 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® QCS8450 4.427 ms 0 - 87 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® Dragonwing™ IQ-9075 3.016 ms 0 - 2 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® Dragonwing™ IQ-X7181 3.122 ms 0 - 0 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® Dragonwing™ Q-8750 1.713 ms 0 - 58 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® SA7255P 5.795 ms 0 - 65 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® SA8295P 4.935 ms 0 - 63 MB NPU
DenseNet-121 QNN_DLC w8a16 Snapdragon® 8 Elite Mobile 1.713 ms 0 - 58 MB NPU
DenseNet-121 QNN_DLC w8a16 Snapdragon® 8 Elite Gen 5 Mobile 1.105 ms 0 - 76 MB NPU
DenseNet-121 QNN_DLC w8a8 Snapdragon® X2 Elite 1.139 ms 0 - 0 MB NPU
DenseNet-121 QNN_DLC w8a8 Snapdragon® X Elite 2.628 ms 0 - 0 MB NPU
DenseNet-121 QNN_DLC w8a8 Snapdragon® 8 Gen 3 Mobile 1.68 ms 0 - 81 MB NPU
DenseNet-121 QNN_DLC w8a8 Snapdragon® 8 Gen 1 Mobile 2.902 ms 0 - 81 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-8275 2.336 ms 0 - 3 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-8275 4.981 ms 0 - 60 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 2.354 ms 0 - 2 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® SA8775P 2.675 ms 0 - 61 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® SA8650P 2.675 ms 0 - 61 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® SA8255P 2.675 ms 0 - 61 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® QCS8450 2.902 ms 0 - 81 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-9075 2.514 ms 0 - 2 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-X7181 2.628 ms 0 - 0 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® Dragonwing™ Q-8750 1.044 ms 0 - 60 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® SA7255P 4.981 ms 0 - 60 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® SA8295P 3.371 ms 0 - 58 MB NPU
DenseNet-121 QNN_DLC w8a8 Snapdragon® 8 Elite Mobile 1.044 ms 0 - 60 MB NPU
DenseNet-121 QNN_DLC w8a8 Snapdragon® 8 Elite Gen 5 Mobile 0.9 ms 0 - 68 MB NPU
DenseNet-121 TFLITE float Snapdragon® 8 Gen 3 Mobile 1.206 ms 0 - 92 MB NPU
DenseNet-121 TFLITE float Snapdragon® 8 Gen 1 Mobile 3.287 ms 0 - 90 MB NPU
DenseNet-121 TFLITE float Qualcomm® Dragonwing™ IQ-8275 2.525 ms 0 - 19 MB NPU
DenseNet-121 TFLITE float Qualcomm® Dragonwing™ IQ-8275 7.911 ms 0 - 52 MB NPU
DenseNet-121 TFLITE float Qualcomm® Dragonwing™ QCS8550 (Proxy) 1.817 ms 0 - 10 MB NPU
DenseNet-121 TFLITE float Qualcomm® SA8775P 2.713 ms 0 - 56 MB NPU
DenseNet-121 TFLITE float Qualcomm® SA8650P 2.713 ms 0 - 56 MB NPU
DenseNet-121 TFLITE float Qualcomm® SA8255P 2.713 ms 0 - 56 MB NPU
DenseNet-121 TFLITE float Qualcomm® QCS8450 3.287 ms 0 - 90 MB NPU
DenseNet-121 TFLITE float Qualcomm® Dragonwing™ IQ-9075 2.547 ms 0 - 18 MB NPU
DenseNet-121 TFLITE float Qualcomm® Dragonwing™ Q-8750 0.882 ms 0 - 50 MB NPU
DenseNet-121 TFLITE float Qualcomm® SA7255P 7.911 ms 0 - 52 MB NPU
DenseNet-121 TFLITE float Qualcomm® SA8295P 3.085 ms 0 - 49 MB NPU
DenseNet-121 TFLITE float Snapdragon® 8 Elite Mobile 0.882 ms 0 - 50 MB NPU
DenseNet-121 TFLITE float Snapdragon® 8 Elite Gen 5 Mobile 0.723 ms 0 - 55 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