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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:

  • 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 0.726 ms 2 - 2 MB NPU
DenseNet-121 ONNX float Snapdragon® X Elite 1.591 ms 16 - 16 MB NPU
DenseNet-121 ONNX float Snapdragon® 8 Gen 3 Mobile 1.071 ms 0 - 91 MB NPU
DenseNet-121 ONNX float Snapdragon® 8 Gen 1 Mobile 2.604 ms 1 - 90 MB NPU
DenseNet-121 ONNX float Qualcomm® Dragonwing™ QCS8550 (Proxy) 1.516 ms 0 - 18 MB NPU
DenseNet-121 ONNX float Qualcomm® QCS8450 2.604 ms 1 - 90 MB NPU
DenseNet-121 ONNX float Qualcomm® Dragonwing™ IQ-9075 2.402 ms 1 - 3 MB NPU
DenseNet-121 ONNX float Qualcomm® Dragonwing™ IQ-X7181 1.591 ms 16 - 16 MB NPU
DenseNet-121 ONNX float Qualcomm® Dragonwing™ Q-8750 0.781 ms 0 - 41 MB NPU
DenseNet-121 ONNX float Snapdragon® 8 Elite Mobile 0.781 ms 0 - 41 MB NPU
DenseNet-121 ONNX float Snapdragon® 8 Elite Gen 5 Mobile 0.668 ms 0 - 45 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® X2 Elite 0.845 ms 1 - 1 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® X Elite 1.828 ms 8 - 8 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® 8 Gen 3 Mobile 1.269 ms 0 - 106 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® 8 Gen 1 Mobile 2.251 ms 0 - 110 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ QCS6490 7.206 ms 0 - 3 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ QCS8550 (Proxy) 1.789 ms 0 - 120 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® QCS8450 2.251 ms 0 - 110 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 1.828 ms 8 - 8 MB NPU
DenseNet-121 ONNX w8a16 Qualcomm® Dragonwing™ Q-8750 0.887 ms 0 - 86 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® 8 Elite Mobile 0.887 ms 0 - 86 MB NPU
DenseNet-121 ONNX w8a16 Snapdragon® 8 Elite Gen 5 Mobile 0.785 ms 0 - 86 MB NPU
DenseNet-121 ONNX w8a8 Snapdragon® X2 Elite 0.491 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 0.607 ms 0 - 116 MB NPU
DenseNet-121 ONNX w8a8 Snapdragon® 8 Gen 1 Mobile 1.51 ms 0 - 111 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ QCS6490 4.818 ms 0 - 3 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 0.863 ms 0 - 13 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® QCS8450 1.51 ms 0 - 111 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 0.889 ms 9 - 9 MB NPU
DenseNet-121 ONNX w8a8 Qualcomm® Dragonwing™ Q-8750 0.508 ms 0 - 93 MB NPU
DenseNet-121 ONNX w8a8 Snapdragon® 8 Elite Mobile 0.508 ms 0 - 93 MB NPU
DenseNet-121 ONNX w8a8 Snapdragon® 8 Elite Gen 5 Mobile 0.468 ms 0 - 92 MB NPU
DenseNet-121 QNN_DLC float Snapdragon® X2 Elite 0.953 ms 1 - 1 MB NPU
DenseNet-121 QNN_DLC float Snapdragon® X Elite 2.044 ms 1 - 1 MB NPU
DenseNet-121 QNN_DLC float Snapdragon® 8 Gen 3 Mobile 1.196 ms 0 - 77 MB NPU
DenseNet-121 QNN_DLC float Snapdragon® 8 Gen 1 Mobile 3.292 ms 0 - 77 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® Dragonwing™ QCS8275 7.905 ms 1 - 37 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® Dragonwing™ QCS8550 (Proxy) 1.808 ms 1 - 18 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® SA8775P 2.703 ms 1 - 42 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® SA8650P 2.703 ms 1 - 42 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® SA8255P 2.703 ms 1 - 42 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® QCS8450 3.292 ms 0 - 77 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® Dragonwing™ IQ-9075 2.528 ms 1 - 3 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® Dragonwing™ IQ-X7181 2.044 ms 1 - 1 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® Dragonwing™ Q-8750 0.881 ms 1 - 38 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® SA7255P 7.905 ms 1 - 37 MB NPU
DenseNet-121 QNN_DLC float Qualcomm® SA8295P 3.036 ms 0 - 36 MB NPU
DenseNet-121 QNN_DLC float Snapdragon® 8 Elite Mobile 0.881 ms 1 - 38 MB NPU
DenseNet-121 QNN_DLC float Snapdragon® 8 Elite Gen 5 Mobile 0.719 ms 1 - 40 MB NPU
DenseNet-121 QNN_DLC w8a16 Snapdragon® X2 Elite 1.43 ms 0 - 0 MB NPU
DenseNet-121 QNN_DLC w8a16 Snapdragon® X Elite 3.149 ms 0 - 0 MB NPU
DenseNet-121 QNN_DLC w8a16 Snapdragon® 8 Gen 3 Mobile 1.987 ms 0 - 87 MB NPU
DenseNet-121 QNN_DLC w8a16 Snapdragon® 8 Gen 1 Mobile 4.434 ms 0 - 87 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® Dragonwing™ QCS8275 5.812 ms 0 - 66 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® Dragonwing™ QCS8550 (Proxy) 2.811 ms 0 - 2 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® SA8775P 3.192 ms 0 - 68 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® SA8650P 3.192 ms 0 - 68 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® SA8255P 3.192 ms 0 - 68 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® QCS8450 4.434 ms 0 - 87 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® Dragonwing™ IQ-9075 3.0 ms 0 - 2 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® Dragonwing™ IQ-X7181 3.149 ms 0 - 0 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® Dragonwing™ Q-8750 1.716 ms 0 - 62 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® SA7255P 5.812 ms 0 - 66 MB NPU
DenseNet-121 QNN_DLC w8a16 Qualcomm® SA8295P 4.925 ms 0 - 64 MB NPU
DenseNet-121 QNN_DLC w8a16 Snapdragon® 8 Elite Mobile 1.716 ms 0 - 62 MB NPU
DenseNet-121 QNN_DLC w8a16 Snapdragon® 8 Elite Gen 5 Mobile 1.097 ms 0 - 76 MB NPU
DenseNet-121 QNN_DLC w8a8 Snapdragon® X2 Elite 1.157 ms 0 - 0 MB NPU
DenseNet-121 QNN_DLC w8a8 Snapdragon® X Elite 2.615 ms 0 - 0 MB NPU
DenseNet-121 QNN_DLC w8a8 Snapdragon® 8 Gen 3 Mobile 1.67 ms 0 - 80 MB NPU
DenseNet-121 QNN_DLC w8a8 Snapdragon® 8 Gen 1 Mobile 2.878 ms 0 - 80 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® Dragonwing™ QCS8275 4.99 ms 0 - 60 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 2.36 ms 0 - 2 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® SA8775P 2.677 ms 0 - 63 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® SA8650P 2.677 ms 0 - 63 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® SA8255P 2.677 ms 0 - 63 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® QCS8450 2.878 ms 0 - 80 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-9075 2.512 ms 0 - 2 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-X7181 2.615 ms 0 - 0 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® Dragonwing™ Q-8750 1.052 ms 0 - 62 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® SA7255P 4.99 ms 0 - 60 MB NPU
DenseNet-121 QNN_DLC w8a8 Qualcomm® SA8295P 3.39 ms 0 - 58 MB NPU
DenseNet-121 QNN_DLC w8a8 Snapdragon® 8 Elite Mobile 1.052 ms 0 - 62 MB NPU
DenseNet-121 QNN_DLC w8a8 Snapdragon® 8 Elite Gen 5 Mobile 0.905 ms 0 - 67 MB NPU
DenseNet-121 TFLITE float Snapdragon® 8 Gen 3 Mobile 1.213 ms 0 - 91 MB NPU
DenseNet-121 TFLITE float Snapdragon® 8 Gen 1 Mobile 3.292 ms 0 - 87 MB NPU
DenseNet-121 TFLITE float Qualcomm® Dragonwing™ QCS8275 7.925 ms 0 - 52 MB NPU
DenseNet-121 TFLITE float Qualcomm® Dragonwing™ QCS8550 (Proxy) 1.813 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 3.292 ms 0 - 87 MB NPU
DenseNet-121 TFLITE float Qualcomm® Dragonwing™ IQ-9075 2.542 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 7.925 ms 0 - 52 MB NPU
DenseNet-121 TFLITE float Qualcomm® SA8295P 3.051 ms 0 - 50 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 - 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