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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 0.727 ms 2 - 2 MB NPU
DenseNet-121 ONNX float Snapdragon® X Elite 1.593 ms 15 - 15 MB NPU
DenseNet-121 ONNX float Snapdragon® 8 Gen 3 Mobile 1.06 ms 0 - 94 MB NPU
DenseNet-121 ONNX float Snapdragon® 8 Gen 1 Mobile 2.617 ms 1 - 91 MB NPU
DenseNet-121 ONNX float Qualcomm® Dragonwing™ IQ-8275 2.471 ms 1 - 4 MB NPU
DenseNet-121 ONNX float Qualcomm® Dragonwing™ QCS8550 (Proxy) 1.521 ms 0 - 18 MB NPU
DenseNet-121 ONNX float Qualcomm® QCS8450 2.617 ms 1 - 91 MB NPU
DenseNet-121 ONNX float Qualcomm® Dragonwing™ IQ-9075 2.38 ms 1 - 3 MB NPU
DenseNet-121 ONNX float Qualcomm® Dragonwing™ IQ-X7181 1.593 ms 15 - 15 MB NPU
DenseNet-121 ONNX float Qualcomm® Dragonwing™ Q-8750 0.783 ms 0 - 43 MB NPU
DenseNet-121 ONNX float Snapdragon® 8 Elite Mobile 0.783 ms 0 - 43 MB NPU
DenseNet-121 ONNX float Snapdragon® 8 Elite Gen 5 Mobile 0.67 ms 0 - 47 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® X2 Elite 0.844 ms 1 - 1 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® X Elite 1.825 ms 9 - 9 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® 8 Gen 3 Mobile 1.275 ms 0 - 109 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® 8 Gen 1 Mobile 2.254 ms 0 - 106 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ QCS6490 7.17 ms 0 - 3 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ IQ-8275 1.864 ms 0 - 4 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ QCS8550 (Proxy) 1.788 ms 0 - 12 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® QCS8450 2.254 ms 0 - 106 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ IQ-9075 1.979 ms 0 - 3 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ IQ-X7181 1.825 ms 9 - 9 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ Q-6690 10.634 ms 0 - 201 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ Q-7790 1.933 ms 0 - 197 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ Q-8750 0.89 ms 0 - 84 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® 8 Elite Mobile 0.89 ms 0 - 84 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® 8 Elite Gen 5 Mobile 0.778 ms 0 - 82 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® 7 Gen 4 Mobile 1.933 ms 0 - 197 MB NPU
DenseNet-121 ONNX w8a8 Snapdragon® X2 Elite 0.488 ms 1 - 1 MB NPU
DenseNet-121 ONNX w8a8 Snapdragon® X Elite 0.888 ms 8 - 8 MB NPU
DenseNet-121 ONNX w8a8 Snapdragon® 8 Gen 3 Mobile 0.601 ms 0 - 115 MB NPU
DenseNet-121 ONNX w8a8 Snapdragon® 8 Gen 1 Mobile 1.514 ms 0 - 106 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ QCS6490 4.815 ms 0 - 3 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ IQ-8275 0.955 ms 0 - 4 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 0.85 ms 0 - 12 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® QCS8450 1.514 ms 0 - 106 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ IQ-9075 0.98 ms 0 - 3 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ IQ-X7181 0.888 ms 8 - 8 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ Q-6690 7.042 ms 0 - 205 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ Q-7790 1.011 ms 0 - 86 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ Q-8750 0.508 ms 0 - 89 MB NPU
DenseNet-121 ONNX w8a8 Snapdragon® 8 Elite Mobile 0.508 ms 0 - 89 MB NPU
DenseNet-121 ONNX w8a8 Snapdragon® 8 Elite Gen 5 Mobile 0.465 ms 0 - 90 MB NPU
DenseNet-121 ONNX w8a8 Snapdragon® 7 Gen 4 Mobile 1.011 ms 0 - 86 MB NPU
DenseNet-121 QNN_DLC float Snapdragon® X2 Elite 0.939 ms 1 - 1 MB NPU
DenseNet-121 QNN_DLC float Snapdragon® X Elite 2.031 ms 1 - 1 MB NPU
DenseNet-121 QNN_DLC float Snapdragon® 8 Gen 3 Mobile 1.196 ms 0 - 71 MB NPU
DenseNet-121 QNN_DLC float Snapdragon® 8 Gen 1 Mobile 3.276 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™ QCS8550 (Proxy) 1.806 ms 0 - 37 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® SA8775P 2.703 ms 0 - 41 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® SA8650P 2.703 ms 0 - 41 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® SA8255P 2.703 ms 0 - 41 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® QCS8450 3.276 ms 0 - 76 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® Dragonwing™ IQ-9075 2.571 ms 1 - 3 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® Dragonwing™ IQ-X7181 2.031 ms 1 - 1 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® Dragonwing™ Q-8750 0.883 ms 0 - 41 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® SA7255P 7.894 ms 1 - 38 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® SA8295P 3.068 ms 1 - 36 MB NPU
DenseNet-121 QNN_DLC float Snapdragon® 8 Elite Mobile 0.883 ms 0 - 41 MB NPU
DenseNet-121 QNN_DLC float Snapdragon® 8 Elite Gen 5 Mobile 0.725 ms 1 - 40 MB NPU
DenseNet-121 QNN_DLC w8a16 Snapdragon® X2 Elite 1.498 ms 0 - 0 MB NPU
DenseNet-121 QNN_DLC w8a16 Snapdragon® X Elite 3.123 ms 0 - 0 MB NPU
DenseNet-121 QNN_DLC w8a16 Snapdragon® 8 Gen 3 Mobile 1.982 ms 0 - 88 MB NPU
DenseNet-121 QNN_DLC w8a16 Snapdragon® 8 Gen 1 Mobile 4.431 ms 0 - 87 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® Dragonwing™ IQ-8275 2.736 ms 0 - 3 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® Dragonwing™ QCS8550 (Proxy) 2.818 ms 0 - 94 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® SA8775P 3.198 ms 0 - 67 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® SA8650P 3.198 ms 0 - 67 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® SA8255P 3.198 ms 0 - 67 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® QCS8450 4.431 ms 0 - 87 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® Dragonwing™ IQ-9075 3.013 ms 0 - 2 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® Dragonwing™ IQ-X7181 3.123 ms 0 - 0 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® Dragonwing™ Q-8750 1.72 ms 0 - 62 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® SA7255P 5.789 ms 0 - 65 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® SA8295P 4.933 ms 0 - 63 MB NPU
DenseNet-121 QNN_DLC w8a16 Snapdragon® 8 Elite Mobile 1.72 ms 0 - 62 MB NPU
DenseNet-121 QNN_DLC w8a16 Snapdragon® 8 Elite Gen 5 Mobile 1.098 ms 0 - 74 MB NPU
DenseNet-121 QNN_DLC w8a8 Snapdragon® X2 Elite 1.134 ms 0 - 0 MB NPU
DenseNet-121 QNN_DLC w8a8 Snapdragon® X Elite 2.637 ms 0 - 0 MB NPU
DenseNet-121 QNN_DLC w8a8 Snapdragon® 8 Gen 3 Mobile 1.685 ms 0 - 82 MB NPU
DenseNet-121 QNN_DLC w8a8 Snapdragon® 8 Gen 1 Mobile 2.87 ms 0 - 81 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-8275 2.332 ms 0 - 3 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 2.356 ms 0 - 90 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® SA8775P 2.686 ms 0 - 62 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® SA8650P 2.686 ms 0 - 62 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® SA8255P 2.686 ms 0 - 62 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® QCS8450 2.87 ms 0 - 81 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-9075 2.522 ms 0 - 2 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-X7181 2.637 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 4.967 ms 0 - 61 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® SA8295P 3.391 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 0.906 ms 0 - 68 MB NPU
DenseNet-121 TFLITE float Snapdragon® 8 Gen 3 Mobile 1.2 ms 0 - 93 MB NPU
DenseNet-121 TFLITE float Snapdragon® 8 Gen 1 Mobile 3.297 ms 0 - 91 MB NPU
DenseNet-121 TFLITE float Qualcomm® Dragonwing™ IQ-8275 2.533 ms 0 - 19 MB NPU
DenseNet-121 TFLITE float Qualcomm® Dragonwing™ QCS8550 (Proxy) 1.815 ms 0 - 78 MB NPU
DenseNet-121 TFLITE float Qualcomm® SA8775P 2.702 ms 0 - 56 MB NPU
DenseNet-121 TFLITE float Qualcomm® SA8650P 2.702 ms 0 - 56 MB NPU
DenseNet-121 TFLITE float Qualcomm® SA8255P 2.702 ms 0 - 56 MB NPU
DenseNet-121 TFLITE float Qualcomm® QCS8450 3.297 ms 0 - 91 MB NPU
DenseNet-121 TFLITE float Qualcomm® Dragonwing™ IQ-9075 2.549 ms 0 - 18 MB NPU
DenseNet-121 TFLITE float Qualcomm® Dragonwing™ Q-8750 0.883 ms 0 - 52 MB NPU
DenseNet-121 TFLITE float Qualcomm® SA7255P 7.934 ms 0 - 52 MB NPU
DenseNet-121 TFLITE float Qualcomm® SA8295P 3.066 ms 0 - 49 MB NPU
DenseNet-121 TFLITE float Snapdragon® 8 Elite Mobile 0.883 ms 0 - 52 MB NPU
DenseNet-121 TFLITE float Snapdragon® 8 Elite Gen 5 Mobile 0.726 ms 0 - 54 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