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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 2.50, ONNX Runtime 1.27.1 Download
ONNX w8a8 Universal QAIRT 2.50, ONNX Runtime 1.27.1 Download
QNN_DLC float Universal QAIRT 2.50 Download
QNN_DLC w8a8 Universal QAIRT 2.50 Download
TFLITE float Universal QAIRT 2.50 Download
TFLITE w8a8 Universal QAIRT 2.50 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® 8 Elite Gen 5 For Galaxy Mobile 0.403 ms 0 - 25 MB NPU
XLSR ONNX float Snapdragon® 8 Elite For Galaxy Mobile 0.427 ms 0 - 28 MB NPU
XLSR ONNX float Snapdragon® X2 Elite 0.369 ms 8 - 8 MB NPU
XLSR ONNX float Snapdragon® X Elite 0.893 ms 8 - 8 MB NPU
XLSR ONNX float Snapdragon® 8 Gen 3 Mobile 0.584 ms 0 - 33 MB NPU
XLSR ONNX float Snapdragon® 8 Gen 1 Mobile 1.202 ms 3 - 43 MB NPU
XLSR ONNX float Qualcomm® Dragonwing™ IQ-8275 1.192 ms 6 - 11 MB NPU
XLSR ONNX float Qualcomm® Dragonwing™ QCS8550 (Proxy) 0.885 ms 0 - 2 MB NPU
XLSR ONNX float Qualcomm® QCS8450 1.202 ms 3 - 43 MB NPU
XLSR ONNX float Qualcomm® Dragonwing™ IQ-9075 1.156 ms 6 - 10 MB NPU
XLSR ONNX float Qualcomm® Dragonwing™ IQ-X7181 0.893 ms 8 - 8 MB NPU
XLSR ONNX float Qualcomm® Dragonwing™ Q-8750 0.427 ms 0 - 28 MB NPU
XLSR ONNX w8a8 Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 0.235 ms 0 - 30 MB NPU
XLSR ONNX w8a8 Snapdragon® 8 Elite For Galaxy Mobile 0.255 ms 0 - 30 MB NPU
XLSR ONNX w8a8 Snapdragon® X2 Elite 0.218 ms 3 - 3 MB NPU
XLSR ONNX w8a8 Snapdragon® X Elite 0.526 ms 3 - 3 MB NPU
XLSR ONNX w8a8 Snapdragon® 8 Gen 3 Mobile 0.368 ms 0 - 35 MB NPU
XLSR ONNX w8a8 Snapdragon® 8 Gen 1 Mobile 0.664 ms 0 - 41 MB NPU
XLSR ONNX w8a8 Qualcomm® Dragonwing™ QCS6490 1.659 ms 0 - 3 MB NPU
XLSR ONNX w8a8 Qualcomm® Dragonwing™ IQ-8275 0.609 ms 0 - 4 MB NPU
XLSR ONNX w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 0.537 ms 0 - 2 MB NPU
XLSR ONNX w8a8 Qualcomm® QCS8450 0.664 ms 0 - 41 MB NPU
XLSR ONNX w8a8 Qualcomm® Dragonwing™ IQ-9075 0.684 ms 0 - 3 MB NPU
XLSR ONNX w8a8 Qualcomm® Dragonwing™ IQ-X7181 0.526 ms 3 - 3 MB NPU
XLSR ONNX w8a8 Qualcomm® Dragonwing™ Q-6690 2.086 ms 0 - 131 MB NPU
XLSR ONNX w8a8 Qualcomm® Dragonwing™ Q-7790 0.565 ms 0 - 25 MB NPU
XLSR ONNX w8a8 Qualcomm® Dragonwing™ Q-8750 0.255 ms 0 - 30 MB NPU
XLSR ONNX w8a8 Snapdragon® 7 Gen 4 Mobile 0.565 ms 0 - 25 MB NPU
XLSR QNN_DLC float Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 0.337 ms 0 - 26 MB NPU
XLSR QNN_DLC float Snapdragon® 8 Elite For Galaxy Mobile 0.361 ms 0 - 25 MB NPU
XLSR QNN_DLC float Snapdragon® X2 Elite 0.439 ms 0 - 0 MB NPU
XLSR QNN_DLC float Snapdragon® X Elite 0.889 ms 0 - 0 MB NPU
XLSR QNN_DLC float Snapdragon® 8 Gen 3 Mobile 0.466 ms 0 - 34 MB NPU
XLSR QNN_DLC float Snapdragon® 8 Gen 1 Mobile 1.16 ms 0 - 36 MB NPU
XLSR QNN_DLC float Qualcomm® Dragonwing™ IQ-8275 0.938 ms 0 - 6 MB NPU
XLSR QNN_DLC float Qualcomm® Dragonwing™ QCS8550 (Proxy) 0.77 ms 0 - 2 MB NPU
XLSR QNN_DLC float Qualcomm® SA8775P 1.142 ms 0 - 27 MB NPU
XLSR QNN_DLC float Qualcomm® SA8650P 1.142 ms 0 - 27 MB NPU
XLSR QNN_DLC float Qualcomm® SA8255P 1.142 ms 0 - 27 MB NPU
XLSR QNN_DLC float Qualcomm® QCS8450 1.16 ms 0 - 36 MB NPU
XLSR QNN_DLC float Qualcomm® Dragonwing™ IQ-9075 1.016 ms 0 - 6 MB NPU
XLSR QNN_DLC float Qualcomm® Dragonwing™ IQ-X7181 0.889 ms 0 - 0 MB NPU
XLSR QNN_DLC float Qualcomm® Dragonwing™ Q-8750 0.361 ms 0 - 25 MB NPU
XLSR QNN_DLC float Qualcomm® SA8295P 1.234 ms 0 - 22 MB NPU
XLSR QNN_DLC w8a8 Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 0.175 ms 0 - 27 MB NPU
XLSR QNN_DLC w8a8 Snapdragon® 8 Elite For Galaxy Mobile 0.216 ms 0 - 24 MB NPU
XLSR QNN_DLC w8a8 Snapdragon® X2 Elite 0.248 ms 0 - 0 MB NPU
XLSR QNN_DLC w8a8 Snapdragon® X Elite 0.473 ms 0 - 0 MB NPU
XLSR QNN_DLC w8a8 Snapdragon® 8 Gen 3 Mobile 0.238 ms 0 - 34 MB NPU
XLSR QNN_DLC w8a8 Snapdragon® 8 Gen 1 Mobile 0.459 ms 0 - 36 MB NPU
XLSR QNN_DLC w8a8 Qualcomm® Dragonwing™ QCS6490 1.42 ms 2 - 5 MB NPU
XLSR QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-8275 0.716 ms 0 - 4 MB NPU
XLSR QNN_DLC w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 0.41 ms 0 - 2 MB NPU
XLSR QNN_DLC w8a8 Qualcomm® QCS8450 0.459 ms 0 - 36 MB NPU
XLSR QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-9075 0.5 ms 2 - 5 MB NPU
XLSR QNN_DLC w8a8 Qualcomm® Dragonwing™ IQ-X7181 0.473 ms 0 - 0 MB NPU
XLSR QNN_DLC w8a8 Qualcomm® Dragonwing™ Q-6690 1.631 ms 0 - 23 MB NPU
XLSR QNN_DLC w8a8 Qualcomm® Dragonwing™ Q-7790 0.407 ms 0 - 23 MB NPU
XLSR QNN_DLC w8a8 Qualcomm® Dragonwing™ Q-8750 0.216 ms 0 - 24 MB NPU
XLSR QNN_DLC w8a8 Qualcomm® SA7255P 0.874 ms 0 - 25 MB NPU
XLSR QNN_DLC w8a8 Qualcomm® SA8295P 0.647 ms 0 - 23 MB NPU
XLSR QNN_DLC w8a8 Snapdragon® 7 Gen 4 Mobile 0.407 ms 0 - 23 MB NPU
XLSR TFLITE float Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 0.802 ms 0 - 27 MB NPU
XLSR TFLITE float Snapdragon® 8 Elite For Galaxy Mobile 0.974 ms 0 - 25 MB NPU
XLSR TFLITE float Snapdragon® 8 Gen 3 Mobile 1.408 ms 0 - 34 MB NPU
XLSR TFLITE float Snapdragon® 8 Gen 1 Mobile 2.451 ms 0 - 41 MB NPU
XLSR TFLITE float Qualcomm® Dragonwing™ IQ-8275 2.144 ms 3 - 9 MB NPU
XLSR TFLITE float Qualcomm® Dragonwing™ QCS8550 (Proxy) 2.293 ms 0 - 2 MB NPU
XLSR TFLITE float Qualcomm® SA8775P 2.672 ms 0 - 26 MB NPU
XLSR TFLITE float Qualcomm® SA8650P 2.672 ms 0 - 26 MB NPU
XLSR TFLITE float Qualcomm® SA8255P 2.672 ms 0 - 26 MB NPU
XLSR TFLITE float Qualcomm® QCS8450 2.451 ms 0 - 41 MB NPU
XLSR TFLITE float Qualcomm® Dragonwing™ IQ-9075 2.526 ms 1 - 7 MB NPU
XLSR TFLITE float Qualcomm® Dragonwing™ Q-8750 0.974 ms 0 - 25 MB NPU
XLSR TFLITE float Qualcomm® SA7255P 4.623 ms 3 - 29 MB NPU
XLSR TFLITE float Qualcomm® SA8295P 2.971 ms 0 - 22 MB NPU
XLSR TFLITE w8a8 Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 0.186 ms 0 - 26 MB NPU
XLSR TFLITE w8a8 Snapdragon® 8 Elite For Galaxy Mobile 0.222 ms 0 - 24 MB NPU
XLSR TFLITE w8a8 Snapdragon® 8 Gen 3 Mobile 0.265 ms 0 - 34 MB NPU
XLSR TFLITE w8a8 Snapdragon® 8 Gen 1 Mobile 0.475 ms 0 - 40 MB NPU
XLSR TFLITE w8a8 Qualcomm® Dragonwing™ QCS6490 1.164 ms 0 - 3 MB NPU
XLSR TFLITE w8a8 Qualcomm® Dragonwing™ IQ-8275 0.427 ms 0 - 4 MB NPU
XLSR TFLITE w8a8 Qualcomm® Dragonwing™ QCS8550 (Proxy) 0.4 ms 0 - 2 MB NPU
XLSR TFLITE w8a8 Qualcomm® SA8775P 0.593 ms 0 - 26 MB NPU
XLSR TFLITE w8a8 Qualcomm® SA8650P 0.593 ms 0 - 26 MB NPU
XLSR TFLITE w8a8 Qualcomm® SA8255P 0.593 ms 0 - 26 MB NPU
XLSR TFLITE w8a8 Qualcomm® QCS8450 0.475 ms 0 - 40 MB NPU
XLSR TFLITE w8a8 Qualcomm® Dragonwing™ IQ-9075 0.562 ms 0 - 3 MB NPU
XLSR TFLITE w8a8 Qualcomm® Dragonwing™ Q-6690 1.589 ms 0 - 23 MB NPU
XLSR TFLITE w8a8 Qualcomm® Dragonwing™ Q-7790 0.416 ms 0 - 24 MB NPU
XLSR TFLITE w8a8 Qualcomm® Dragonwing™ Q-8750 0.222 ms 0 - 24 MB NPU
XLSR TFLITE w8a8 Qualcomm® SA8295P 0.684 ms 0 - 23 MB NPU
XLSR TFLITE w8a8 Snapdragon® 7 Gen 4 Mobile 0.416 ms 0 - 24 MB NPU

License

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

References

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