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XLSR

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XLSR: Optimized for Qualcomm Devices

XLSR is designed for lightweight real-time upscaling of images.

This is based on the implementation of XLSR 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 w8a8 Universal QAIRT 2.45, ONNX Runtime 1.27.1 Download
QNN_DLC float Universal QAIRT 2.45 Download
QNN_DLC w8a8 Universal QAIRT 2.45 Download
TFLITE float Universal QAIRT 2.45 Download
TFLITE w8a8 Universal QAIRT 2.45 Download

For more device-specific assets and performance metrics, visit XLSR 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 XLSR on GitHub for usage instructions.

Model Details

Model Type: Model_use_case.super_resolution

Model Stats:

  • Input resolution: 128x128
  • Model checkpoint: xlsr_3x_checkpoint
  • Model size (float): 115 KB
  • Model size (w8a8): 45.6 KB
  • Number of parameters: 28.0K

Performance Summary

Model Runtime Precision Chipset Inference Time (ms) Peak Memory Range (MB) Primary Compute Unit
XLSR ONNX float Snapdragon® X2 Elite 0.369 ms 8 - 8 MB NPU
XLSR ONNX float Snapdragon® X Elite 0.896 ms 8 - 8 MB NPU
XLSR ONNX float Snapdragon® 8 Gen 3 Mobile 0.578 ms 0 - 29 MB NPU
XLSR ONNX float Snapdragon® 8 Gen 1 Mobile 1.199 ms 0 - 34 MB NPU
XLSR ONNX float Qualcomm® Dragonwing™ IQ-8275 1.172 ms 6 - 10 MB NPU
XLSR ONNX float Qualcomm® Dragonwing™ QCS8550 (Proxy) 1.007 ms 0 - 2 MB NPU
XLSR ONNX float Qualcomm® QCS8450 1.199 ms 0 - 34 MB NPU
XLSR ONNX float Qualcomm® Dragonwing™ IQ-9075 1.179 ms 6 - 9 MB NPU
XLSR ONNX float Qualcomm® Dragonwing™ IQ-X7181 0.896 ms 8 - 8 MB NPU
XLSR ONNX float Qualcomm® Dragonwing™ Q-8750 0.47 ms 0 - 24 MB NPU
XLSR ONNX float Snapdragon® 8 Elite Mobile 0.47 ms 0 - 24 MB NPU
XLSR ONNX float Snapdragon® 8 Elite Gen 5 Mobile 0.398 ms 0 - 19 MB NPU
XLSR ONNX w8a8 Snapdragon® X2 Elite 0.256 ms 3 - 3 MB NPU
XLSR ONNX w8a8 Snapdragon® X Elite 0.641 ms 3 - 3 MB NPU
XLSR ONNX w8a8 Snapdragon® 8 Gen 3 Mobile 0.409 ms 0 - 33 MB NPU
XLSR ONNX w8a8 Snapdragon® 8 Gen 1 Mobile 0.721 ms 0 - 36 MB NPU
XLSR ONNX w8a8 Qualcomm® Dragonwing™ QCS6490 3.3 ms 3 - 6 MB NPU
XLSR ONNX w8a8 Qualcomm® Dragonwing™ IQ-8275 0.687 ms 0 - 4 MB NPU
XLSR ONNX w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 0.643 ms 0 - 29 MB NPU
XLSR ONNX w8a8 Qualcomm® QCS8450 0.721 ms 0 - 36 MB NPU
XLSR ONNX w8a8 Qualcomm® Dragonwing™ IQ-9075 0.783 ms 0 - 3 MB NPU
XLSR ONNX w8a8 Qualcomm® Dragonwing™ IQ-X7181 0.641 ms 3 - 3 MB NPU
XLSR ONNX w8a8 Qualcomm® Dragonwing™ Q-6690 3.052 ms 0 - 137 MB NPU
XLSR ONNX w8a8 Qualcomm® Dragonwing™ Q-7790 0.655 ms 0 - 23 MB NPU
XLSR ONNX w8a8 Qualcomm® Dragonwing™ Q-8750 0.311 ms 0 - 27 MB NPU
XLSR ONNX w8a8 Snapdragon® 8 Elite Mobile 0.311 ms 0 - 27 MB NPU
XLSR ONNX w8a8 Snapdragon® 8 Elite Gen 5 Mobile 0.277 ms 0 - 23 MB NPU
XLSR ONNX w8a8 Snapdragon® 7 Gen 4 Mobile 0.655 ms 0 - 23 MB NPU
XLSR QNN_DLC float Snapdragon® X2 Elite 0.405 ms 0 - 0 MB NPU
XLSR QNN_DLC float Snapdragon® X Elite 0.848 ms 0 - 0 MB NPU
XLSR QNN_DLC float Snapdragon® 8 Gen 3 Mobile 0.458 ms 0 - 30 MB NPU
XLSR QNN_DLC float Snapdragon® 8 Gen 1 Mobile 1.048 ms 0 - 35 MB NPU
XLSR QNN_DLC float Qualcomm® Dragonwing™ IQ-8275 0.935 ms 0 - 6 MB NPU
XLSR QNN_DLC float Qualcomm® Dragonwing™ IQ-8275 2.182 ms 0 - 21 MB NPU
XLSR QNN_DLC float Qualcomm® Dragonwing™ QCS8550 (Proxy) 0.766 ms 0 - 2 MB NPU
XLSR QNN_DLC float Qualcomm® SA8775P 1.151 ms 0 - 22 MB NPU
XLSR QNN_DLC float Qualcomm® SA8650P 1.151 ms 0 - 22 MB NPU
XLSR QNN_DLC float Qualcomm® SA8255P 1.151 ms 0 - 22 MB NPU
XLSR QNN_DLC float Qualcomm® QCS8450 1.048 ms 0 - 35 MB NPU
XLSR QNN_DLC float Qualcomm® Dragonwing™ IQ-9075 1.026 ms 0 - 5 MB NPU
XLSR QNN_DLC float Qualcomm® Dragonwing™ IQ-X7181 0.848 ms 0 - 0 MB NPU
XLSR QNN_DLC float Qualcomm® Dragonwing™ Q-8750 0.369 ms 0 - 22 MB NPU
XLSR QNN_DLC float Qualcomm® SA7255P 2.182 ms 0 - 21 MB NPU
XLSR QNN_DLC float Qualcomm® SA8295P 1.402 ms 0 - 18 MB NPU
XLSR QNN_DLC float Snapdragon® 8 Elite Mobile 0.369 ms 0 - 22 MB NPU
XLSR QNN_DLC float Snapdragon® 8 Elite Gen 5 Mobile 0.338 ms 0 - 22 MB NPU
XLSR QNN_DLC w8a8 Snapdragon® X2 Elite 0.253 ms 0 - 0 MB NPU
XLSR QNN_DLC w8a8 Snapdragon® X Elite 0.498 ms 0 - 0 MB NPU
XLSR QNN_DLC w8a8 Snapdragon® 8 Gen 3 Mobile 0.246 ms 0 - 30 MB NPU
XLSR QNN_DLC w8a8 Snapdragon® 8 Gen 1 Mobile 0.467 ms 0 - 35 MB NPU
XLSR QNN_DLC w8a8 Qualcomm® Dragonwing™ QCS6490 1.42 ms 2 - 4 MB NPU
XLSR QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-8275 0.445 ms 0 - 3 MB NPU
XLSR QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-8275 0.904 ms 0 - 21 MB NPU
XLSR QNN_DLC w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 0.38 ms 0 - 1 MB NPU
XLSR QNN_DLC w8a8 Qualcomm® SA8775P 0.576 ms 0 - 22 MB NPU
XLSR QNN_DLC w8a8 Qualcomm® SA8650P 0.576 ms 0 - 22 MB NPU
XLSR QNN_DLC w8a8 Qualcomm® SA8255P 0.576 ms 0 - 22 MB NPU
XLSR QNN_DLC w8a8 Qualcomm® QCS8450 0.467 ms 0 - 35 MB NPU
XLSR QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-9075 0.512 ms 0 - 2 MB NPU
XLSR QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-X7181 0.498 ms 0 - 0 MB NPU
XLSR QNN_DLC w8a8 Qualcomm® Dragonwing™ Q-6690 1.606 ms 0 - 19 MB NPU
XLSR QNN_DLC w8a8 Qualcomm® Dragonwing™ Q-7790 0.408 ms 0 - 19 MB NPU
XLSR QNN_DLC w8a8 Qualcomm® Dragonwing™ Q-8750 0.214 ms 0 - 26 MB NPU
XLSR QNN_DLC w8a8 Qualcomm® SA7255P 0.904 ms 0 - 21 MB NPU
XLSR QNN_DLC w8a8 Qualcomm® SA8295P 0.767 ms 0 - 18 MB NPU
XLSR QNN_DLC w8a8 Snapdragon® 8 Elite Mobile 0.214 ms 0 - 26 MB NPU
XLSR QNN_DLC w8a8 Snapdragon® 8 Elite Gen 5 Mobile 0.185 ms 0 - 22 MB NPU
XLSR QNN_DLC w8a8 Snapdragon® 7 Gen 4 Mobile 0.408 ms 0 - 19 MB NPU
XLSR TFLITE float Snapdragon® 8 Gen 3 Mobile 1.397 ms 0 - 31 MB NPU
XLSR TFLITE float Snapdragon® 8 Gen 1 Mobile 2.511 ms 0 - 36 MB NPU
XLSR TFLITE float Qualcomm® Dragonwing™ IQ-8275 2.18 ms 3 - 9 MB NPU
XLSR TFLITE float Qualcomm® Dragonwing™ IQ-8275 4.661 ms 3 - 26 MB NPU
XLSR TFLITE float Qualcomm® Dragonwing™ QCS8550 (Proxy) 2.217 ms 0 - 1 MB NPU
XLSR TFLITE float Qualcomm® SA8775P 2.665 ms 0 - 23 MB NPU
XLSR TFLITE float Qualcomm® SA8650P 2.665 ms 0 - 23 MB NPU
XLSR TFLITE float Qualcomm® SA8255P 2.665 ms 0 - 23 MB NPU
XLSR TFLITE float Qualcomm® QCS8450 2.511 ms 0 - 36 MB NPU
XLSR TFLITE float Qualcomm® Dragonwing™ IQ-9075 2.5 ms 3 - 8 MB NPU
XLSR TFLITE float Qualcomm® Dragonwing™ Q-8750 0.963 ms 0 - 22 MB NPU
XLSR TFLITE float Qualcomm® SA7255P 4.661 ms 3 - 26 MB NPU
XLSR TFLITE float Qualcomm® SA8295P 3.065 ms 0 - 18 MB NPU
XLSR TFLITE float Snapdragon® 8 Elite Mobile 0.963 ms 0 - 22 MB NPU
XLSR TFLITE float Snapdragon® 8 Elite Gen 5 Mobile 0.793 ms 0 - 24 MB NPU
XLSR TFLITE w8a8 Snapdragon® 8 Gen 3 Mobile 0.267 ms 0 - 29 MB NPU
XLSR TFLITE w8a8 Snapdragon® 8 Gen 1 Mobile 0.476 ms 0 - 35 MB NPU
XLSR TFLITE w8a8 Qualcomm® Dragonwing™ QCS6490 1.134 ms 0 - 3 MB NPU
XLSR TFLITE w8a8 Qualcomm® Dragonwing™ IQ-8275 0.433 ms 0 - 3 MB NPU
XLSR TFLITE w8a8 Qualcomm® Dragonwing™ IQ-8275 0.957 ms 0 - 21 MB NPU
XLSR TFLITE w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 0.403 ms 0 - 60 MB NPU
XLSR TFLITE w8a8 Qualcomm® SA8775P 0.593 ms 0 - 23 MB NPU
XLSR TFLITE w8a8 Qualcomm® SA8650P 0.593 ms 0 - 23 MB NPU
XLSR TFLITE w8a8 Qualcomm® SA8255P 0.593 ms 0 - 23 MB NPU
XLSR TFLITE w8a8 Qualcomm® QCS8450 0.476 ms 0 - 35 MB NPU
XLSR TFLITE w8a8 Qualcomm® Dragonwing™ IQ-9075 0.501 ms 0 - 3 MB NPU
XLSR TFLITE w8a8 Qualcomm® Dragonwing™ Q-6690 1.623 ms 0 - 19 MB NPU
XLSR TFLITE w8a8 Qualcomm® Dragonwing™ Q-7790 0.42 ms 0 - 19 MB NPU
XLSR TFLITE w8a8 Qualcomm® Dragonwing™ Q-8750 0.232 ms 0 - 21 MB NPU
XLSR TFLITE w8a8 Qualcomm® SA7255P 0.957 ms 0 - 21 MB NPU
XLSR TFLITE w8a8 Qualcomm® SA8295P 0.79 ms 0 - 18 MB NPU
XLSR TFLITE w8a8 Snapdragon® 8 Elite Mobile 0.232 ms 0 - 21 MB NPU
XLSR TFLITE w8a8 Snapdragon® 8 Elite Gen 5 Mobile 0.188 ms 0 - 23 MB NPU
XLSR TFLITE w8a8 Snapdragon® 7 Gen 4 Mobile 0.42 ms 0 - 19 MB NPU

License

  • The license for the original implementation of XLSR can be found here.

References

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