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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 0.731 ms 2 - 2 MB NPU
DenseNet-121 ONNX float Snapdragon® X Elite 1.597 ms 15 - 15 MB NPU
DenseNet-121 ONNX float Snapdragon® 8 Gen 3 Mobile 1.071 ms 0 - 92 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 2.458 ms 1 - 4 MB NPU
DenseNet-121 ONNX float Qualcomm® Dragonwing™ QCS8550 (Proxy) 1.528 ms 0 - 17 MB NPU
DenseNet-121 ONNX float Qualcomm® QCS8450 2.617 ms 1 - 91 MB NPU
DenseNet-121 ONNX float Qualcomm® Dragonwing™ IQ-9075 2.374 ms 1 - 3 MB NPU
DenseNet-121 ONNX float Qualcomm® Dragonwing™ IQ-X7181 1.597 ms 15 - 15 MB NPU
DenseNet-121 ONNX float Qualcomm® Dragonwing™ Q-8750 0.782 ms 0 - 43 MB NPU
DenseNet-121 ONNX float Snapdragon® 8 Elite Mobile 0.782 ms 0 - 43 MB NPU
DenseNet-121 ONNX float Snapdragon® 8 Elite Gen 5 Mobile 0.664 ms 0 - 45 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® X2 Elite 0.844 ms 1 - 1 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® X Elite 1.821 ms 8 - 8 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® 8 Gen 3 Mobile 1.275 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 7.016 ms 0 - 3 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ IQ-8275 1.87 ms 0 - 4 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ QCS8550 (Proxy) 1.787 ms 0 - 13 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® QCS8450 2.238 ms 0 - 106 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ IQ-9075 2.188 ms 0 - 3 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ IQ-X7181 1.821 ms 8 - 8 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ Q-6690 10.642 ms 0 - 201 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ Q-7790 1.896 ms 0 - 196 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ Q-8750 0.891 ms 0 - 83 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® 8 Elite Mobile 0.891 ms 0 - 83 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® 8 Elite Gen 5 Mobile 0.78 ms 0 - 85 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® 7 Gen 4 Mobile 1.896 ms 0 - 196 MB NPU
DenseNet-121 ONNX w8a8 Snapdragon® X2 Elite 0.492 ms 1 - 1 MB NPU
DenseNet-121 ONNX w8a8 Snapdragon® X Elite 0.889 ms 9 - 9 MB NPU
DenseNet-121 ONNX w8a8 Snapdragon® 8 Gen 3 Mobile 0.588 ms 0 - 110 MB NPU
DenseNet-121 ONNX w8a8 Snapdragon® 8 Gen 1 Mobile 1.504 ms 0 - 106 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ QCS6490 4.808 ms 0 - 3 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ IQ-8275 0.924 ms 0 - 4 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 0.861 ms 0 - 12 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® QCS8450 1.504 ms 0 - 106 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ IQ-9075 0.983 ms 0 - 3 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ IQ-X7181 0.889 ms 9 - 9 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ Q-6690 7.018 ms 0 - 205 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ Q-7790 1.015 ms 0 - 87 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ Q-8750 0.506 ms 0 - 90 MB NPU
DenseNet-121 ONNX w8a8 Snapdragon® 8 Elite Mobile 0.506 ms 0 - 90 MB NPU
DenseNet-121 ONNX w8a8 Snapdragon® 8 Elite Gen 5 Mobile 0.457 ms 0 - 93 MB NPU
DenseNet-121 ONNX w8a8 Snapdragon® 7 Gen 4 Mobile 1.015 ms 0 - 87 MB NPU
DenseNet-121 QNN_DLC float Snapdragon® X2 Elite 0.928 ms 1 - 1 MB NPU
DenseNet-121 QNN_DLC float Snapdragon® X Elite 2.025 ms 1 - 1 MB NPU
DenseNet-121 QNN_DLC float Snapdragon® 8 Gen 3 Mobile 1.201 ms 0 - 73 MB NPU
DenseNet-121 QNN_DLC float Snapdragon® 8 Gen 1 Mobile 3.269 ms 0 - 77 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® Dragonwing™ IQ-8275 2.512 ms 1 - 4 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® Dragonwing™ IQ-8275 7.895 ms 1 - 37 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® Dragonwing™ QCS8550 (Proxy) 1.807 ms 1 - 2 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® SA8775P 2.721 ms 1 - 40 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® SA8650P 2.721 ms 1 - 40 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® SA8255P 2.721 ms 1 - 40 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® QCS8450 3.269 ms 0 - 77 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® Dragonwing™ IQ-9075 2.539 ms 1 - 3 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® Dragonwing™ IQ-X7181 2.025 ms 1 - 1 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® Dragonwing™ Q-8750 0.882 ms 1 - 43 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® SA7255P 7.895 ms 1 - 37 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® SA8295P 3.059 ms 1 - 36 MB NPU
DenseNet-121 QNN_DLC float Snapdragon® 8 Elite Mobile 0.882 ms 1 - 43 MB NPU
DenseNet-121 QNN_DLC float Snapdragon® 8 Elite Gen 5 Mobile 0.724 ms 1 - 41 MB NPU
DenseNet-121 QNN_DLC w8a16 Snapdragon® X2 Elite 1.447 ms 0 - 0 MB NPU
DenseNet-121 QNN_DLC w8a16 Snapdragon® X Elite 3.116 ms 0 - 0 MB NPU
DenseNet-121 QNN_DLC w8a16 Snapdragon® 8 Gen 3 Mobile 1.977 ms 0 - 86 MB NPU
DenseNet-121 QNN_DLC w8a16 Snapdragon® 8 Gen 1 Mobile 4.373 ms 0 - 88 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® Dragonwing™ IQ-8275 2.738 ms 0 - 3 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® Dragonwing™ IQ-8275 5.774 ms 0 - 65 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® Dragonwing™ QCS8550 (Proxy) 2.824 ms 0 - 99 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® SA8775P 3.189 ms 0 - 68 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® SA8650P 3.189 ms 0 - 68 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® SA8255P 3.189 ms 0 - 68 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® QCS8450 4.373 ms 0 - 88 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® Dragonwing™ IQ-9075 3.009 ms 0 - 2 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® Dragonwing™ IQ-X7181 3.116 ms 0 - 0 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® Dragonwing™ Q-8750 1.719 ms 0 - 57 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® SA7255P 5.774 ms 0 - 65 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® SA8295P 4.936 ms 0 - 63 MB NPU
DenseNet-121 QNN_DLC w8a16 Snapdragon® 8 Elite Mobile 1.719 ms 0 - 57 MB NPU
DenseNet-121 QNN_DLC w8a16 Snapdragon® 8 Elite Gen 5 Mobile 1.103 ms 0 - 74 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 2.618 ms 1 - 1 MB NPU
DenseNet-121 QNN_DLC w8a8 Snapdragon® 8 Gen 3 Mobile 1.683 ms 0 - 81 MB NPU
DenseNet-121 QNN_DLC w8a8 Snapdragon® 8 Gen 1 Mobile 2.843 ms 0 - 83 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-8275 2.329 ms 0 - 3 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-8275 4.95 ms 0 - 60 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 2.348 ms 0 - 2 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® SA8775P 2.676 ms 0 - 64 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® SA8650P 2.676 ms 0 - 64 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® SA8255P 2.676 ms 0 - 64 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® QCS8450 2.843 ms 0 - 83 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-9075 2.521 ms 0 - 2 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-X7181 2.618 ms 1 - 1 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® Dragonwing™ Q-8750 1.055 ms 0 - 60 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® SA7255P 4.95 ms 0 - 60 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® SA8295P 3.382 ms 0 - 58 MB NPU
DenseNet-121 QNN_DLC w8a8 Snapdragon® 8 Elite Mobile 1.055 ms 0 - 60 MB NPU
DenseNet-121 QNN_DLC w8a8 Snapdragon® 8 Elite Gen 5 Mobile 0.904 ms 0 - 68 MB NPU
DenseNet-121 TFLITE float Snapdragon® 8 Gen 3 Mobile 1.214 ms 0 - 92 MB NPU
DenseNet-121 TFLITE float Snapdragon® 8 Gen 1 Mobile 3.284 ms 0 - 91 MB NPU
DenseNet-121 TFLITE float Qualcomm® Dragonwing™ IQ-8275 2.527 ms 0 - 19 MB NPU
DenseNet-121 TFLITE float Qualcomm® Dragonwing™ IQ-8275 7.906 ms 0 - 52 MB NPU
DenseNet-121 TFLITE float Qualcomm® Dragonwing™ QCS8550 (Proxy) 1.812 ms 0 - 2 MB NPU
DenseNet-121 TFLITE float Qualcomm® SA8775P 2.738 ms 0 - 55 MB NPU
DenseNet-121 TFLITE float Qualcomm® SA8650P 2.738 ms 0 - 55 MB NPU
DenseNet-121 TFLITE float Qualcomm® SA8255P 2.738 ms 0 - 55 MB NPU
DenseNet-121 TFLITE float Qualcomm® QCS8450 3.284 ms 0 - 91 MB NPU
DenseNet-121 TFLITE float Qualcomm® Dragonwing™ IQ-9075 2.539 ms 0 - 18 MB NPU
DenseNet-121 TFLITE float Qualcomm® Dragonwing™ Q-8750 0.884 ms 0 - 50 MB NPU
DenseNet-121 TFLITE float Qualcomm® SA7255P 7.906 ms 0 - 52 MB NPU
DenseNet-121 TFLITE float Qualcomm® SA8295P 3.076 ms 0 - 49 MB NPU
DenseNet-121 TFLITE float Snapdragon® 8 Elite Mobile 0.884 ms 0 - 50 MB NPU
DenseNet-121 TFLITE float Snapdragon® 8 Elite Gen 5 Mobile 0.724 ms 0 - 56 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