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SalsaNext

Image Segmentation
PyTorch
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android
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SalsaNext: Optimized for Qualcomm Devices

SalsaNext is a LiDAR-based model designed for efficient and accurate semantic segmentation.

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 w8a16 Universal QAIRT 2.50, ONNX Runtime 1.27.1 Download
QNN_DLC float Universal QAIRT 2.50 Download
QNN_DLC w8a16 Universal QAIRT 2.50 Download
TFLITE float Universal QAIRT 2.50 Download

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

Model Details

Model Type: Model_use_case.semantic_segmentation

Model Stats:

  • Input resolution: 1x5x64x2048
  • Model checkpoint: SalsaNext
  • Model size (float): 25.7 MB
  • Number of parameters: 6.71M

Performance Summary

Model Runtime Precision Chipset Inference Time (ms) Peak Memory Range (MB) Primary Compute Unit
SalsaNext ONNX float Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 15.576 ms 25 - 270 MB NPU
SalsaNext ONNX float Snapdragon® 8 Elite For Galaxy Mobile 18.686 ms 23 - 250 MB NPU
SalsaNext ONNX float Snapdragon® X2 Elite 14.176 ms 35 - 35 MB NPU
SalsaNext ONNX float Snapdragon® X Elite 28.367 ms 35 - 35 MB NPU
SalsaNext ONNX float Snapdragon® 8 Gen 3 Mobile 21.173 ms 27 - 328 MB NPU
SalsaNext ONNX float Snapdragon® 8 Gen 1 Mobile 40.722 ms 24 - 335 MB NPU
SalsaNext ONNX float Qualcomm® Dragonwing™ IQ-8275 38.47 ms 22 - 27 MB NPU
SalsaNext ONNX float Qualcomm® Dragonwing™ QCS8550 (Proxy) 29.242 ms 20 - 184 MB NPU
SalsaNext ONNX float Qualcomm® QCS8450 40.722 ms 24 - 335 MB NPU
SalsaNext ONNX float Qualcomm® Dragonwing™ IQ-9075 35.941 ms 24 - 27 MB NPU
SalsaNext ONNX float Qualcomm® Dragonwing™ IQ-X7181 28.367 ms 35 - 35 MB NPU
SalsaNext ONNX float Qualcomm® Dragonwing™ Q-8750 18.686 ms 23 - 250 MB NPU
SalsaNext ONNX w8a16 Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 18.995 ms 12 - 236 MB NPU
SalsaNext ONNX w8a16 Snapdragon® 8 Elite For Galaxy Mobile 19.529 ms 13 - 225 MB NPU
SalsaNext ONNX w8a16 Snapdragon® X2 Elite 15.126 ms 18 - 18 MB NPU
SalsaNext ONNX w8a16 Snapdragon® X Elite 30.487 ms 18 - 18 MB NPU
SalsaNext ONNX w8a16 Snapdragon® 8 Gen 3 Mobile 27.668 ms 15 - 310 MB NPU
SalsaNext ONNX w8a16 Snapdragon® 8 Gen 1 Mobile 40.421 ms 12 - 387 MB NPU
SalsaNext ONNX w8a16 Qualcomm® Dragonwing™ IQ-8275 29.161 ms 11 - 15 MB NPU
SalsaNext ONNX w8a16 Qualcomm® Dragonwing™ QCS8550 (Proxy) 31.618 ms 10 - 19 MB NPU
SalsaNext ONNX w8a16 Qualcomm® QCS8450 40.421 ms 12 - 387 MB NPU
SalsaNext ONNX w8a16 Qualcomm® Dragonwing™ IQ-9075 31.275 ms 13 - 16 MB NPU
SalsaNext ONNX w8a16 Qualcomm® Dragonwing™ IQ-X7181 30.487 ms 18 - 18 MB NPU
SalsaNext ONNX w8a16 Qualcomm® Dragonwing™ Q-8750 19.529 ms 13 - 225 MB NPU
SalsaNext QNN_DLC float Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 13.199 ms 2 - 239 MB NPU
SalsaNext QNN_DLC float Snapdragon® 8 Elite For Galaxy Mobile 18.39 ms 3 - 227 MB NPU
SalsaNext QNN_DLC float Snapdragon® X2 Elite 14.664 ms 3 - 3 MB NPU
SalsaNext QNN_DLC float Snapdragon® X Elite 27.94 ms 3 - 3 MB NPU
SalsaNext QNN_DLC float Snapdragon® 8 Gen 3 Mobile 20.92 ms 0 - 292 MB NPU
SalsaNext QNN_DLC float Snapdragon® 8 Gen 1 Mobile 39.949 ms 1 - 306 MB NPU
SalsaNext QNN_DLC float Qualcomm® Dragonwing™ IQ-8275 38.031 ms 3 - 18 MB NPU
SalsaNext QNN_DLC float Qualcomm® Dragonwing™ QCS8550 (Proxy) 28.697 ms 3 - 43 MB NPU
SalsaNext QNN_DLC float Qualcomm® SA8775P 34.629 ms 0 - 214 MB NPU
SalsaNext QNN_DLC float Qualcomm® SA8650P 34.629 ms 0 - 214 MB NPU
SalsaNext QNN_DLC float Qualcomm® SA8255P 34.629 ms 0 - 214 MB NPU
SalsaNext QNN_DLC float Qualcomm® QCS8450 39.949 ms 1 - 306 MB NPU
SalsaNext QNN_DLC float Qualcomm® Dragonwing™ IQ-9075 35.07 ms 3 - 17 MB NPU
SalsaNext QNN_DLC float Qualcomm® Dragonwing™ IQ-X7181 27.94 ms 3 - 3 MB NPU
SalsaNext QNN_DLC float Qualcomm® Dragonwing™ Q-8750 18.39 ms 3 - 227 MB NPU
SalsaNext QNN_DLC float Qualcomm® SA8295P 45.192 ms 0 - 225 MB NPU
SalsaNext QNN_DLC w8a16 Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 21.865 ms 1 - 335 MB NPU
SalsaNext QNN_DLC w8a16 Snapdragon® 8 Elite For Galaxy Mobile 27.36 ms 0 - 278 MB NPU
SalsaNext QNN_DLC w8a16 Snapdragon® X2 Elite 18.153 ms 1 - 1 MB NPU
SalsaNext QNN_DLC w8a16 Snapdragon® X Elite 42.116 ms 1 - 1 MB NPU
SalsaNext QNN_DLC w8a16 Snapdragon® 8 Gen 3 Mobile 33.065 ms 1 - 353 MB NPU
SalsaNext QNN_DLC w8a16 Snapdragon® 8 Gen 1 Mobile 61.776 ms 1 - 401 MB NPU
SalsaNext QNN_DLC w8a16 Qualcomm® Dragonwing™ IQ-8275 40.902 ms 1 - 10 MB NPU
SalsaNext QNN_DLC w8a16 Qualcomm® Dragonwing™ QCS8550 (Proxy) 43.964 ms 1 - 3 MB NPU
SalsaNext QNN_DLC w8a16 Qualcomm® SA8775P 42.385 ms 2 - 264 MB NPU
SalsaNext QNN_DLC w8a16 Qualcomm® SA8650P 42.385 ms 2 - 264 MB NPU
SalsaNext QNN_DLC w8a16 Qualcomm® SA8255P 42.385 ms 2 - 264 MB NPU
SalsaNext QNN_DLC w8a16 Qualcomm® QCS8450 61.776 ms 1 - 401 MB NPU
SalsaNext QNN_DLC w8a16 Qualcomm® Dragonwing™ IQ-9075 42.497 ms 1 - 10 MB NPU
SalsaNext QNN_DLC w8a16 Qualcomm® Dragonwing™ IQ-X7181 42.116 ms 1 - 1 MB NPU
SalsaNext QNN_DLC w8a16 Qualcomm® Dragonwing™ Q-8750 27.36 ms 0 - 278 MB NPU
SalsaNext QNN_DLC w8a16 Qualcomm® SA7255P 75.373 ms 1 - 263 MB NPU
SalsaNext QNN_DLC w8a16 Qualcomm® SA8295P 58.378 ms 1 - 307 MB NPU
SalsaNext TFLITE float Snapdragon® 8 Elite Gen 5 For Galaxy Mobile 13.211 ms 9 - 244 MB NPU
SalsaNext TFLITE float Snapdragon® 8 Elite For Galaxy Mobile 18.384 ms 9 - 234 MB NPU
SalsaNext TFLITE float Snapdragon® 8 Gen 3 Mobile 20.537 ms 9 - 307 MB NPU
SalsaNext TFLITE float Snapdragon® 8 Gen 1 Mobile 39.799 ms 8 - 318 MB NPU
SalsaNext TFLITE float Qualcomm® Dragonwing™ IQ-8275 38.02 ms 10 - 40 MB NPU
SalsaNext TFLITE float Qualcomm® Dragonwing™ QCS8550 (Proxy) 28.309 ms 10 - 14 MB NPU
SalsaNext TFLITE float Qualcomm® QCS8450 39.799 ms 8 - 318 MB NPU
SalsaNext TFLITE float Qualcomm® Dragonwing™ IQ-9075 35.35 ms 10 - 39 MB NPU
SalsaNext TFLITE float Qualcomm® Dragonwing™ Q-8750 18.384 ms 9 - 234 MB NPU
SalsaNext TFLITE float Qualcomm® SA7255P 113.177 ms 10 - 223 MB NPU
SalsaNext TFLITE float Qualcomm® SA8295P 45.202 ms 10 - 236 MB NPU

License

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

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