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SalsaNext

Image Segmentation
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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 2.45, ONNX Runtime 1.27.1 Download
ONNX w8a16 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
TFLITE float Universal QAIRT 2.45 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® X2 Elite 13.77 ms 35 - 35 MB NPU
SalsaNext ONNX float Snapdragon® X Elite 32.455 ms 35 - 35 MB NPU
SalsaNext ONNX float Snapdragon® 8 Gen 3 Mobile 26.22 ms 27 - 366 MB NPU
SalsaNext ONNX float Snapdragon® 8 Gen 1 Mobile 67.436 ms 3 - 357 MB NPU
SalsaNext ONNX float Qualcomm® Dragonwing™ IQ-8275 43.597 ms 22 - 26 MB NPU
SalsaNext ONNX float Qualcomm® Dragonwing™ QCS8550 (Proxy) 33.913 ms 20 - 58 MB NPU
SalsaNext ONNX float Qualcomm® QCS8450 67.436 ms 3 - 357 MB NPU
SalsaNext ONNX float Qualcomm® Dragonwing™ IQ-9075 41.96 ms 24 - 27 MB NPU
SalsaNext ONNX float Qualcomm® Dragonwing™ IQ-X7181 32.455 ms 35 - 35 MB NPU
SalsaNext ONNX float Qualcomm® Dragonwing™ Q-8750 19.142 ms 23 - 292 MB NPU
SalsaNext ONNX float Snapdragon® 8 Elite Mobile 19.142 ms 23 - 292 MB NPU
SalsaNext ONNX float Snapdragon® 8 Elite Gen 5 Mobile 13.631 ms 22 - 317 MB NPU
SalsaNext ONNX w8a16 Snapdragon® X2 Elite 15.381 ms 18 - 18 MB NPU
SalsaNext ONNX w8a16 Snapdragon® X Elite 33.489 ms 18 - 18 MB NPU
SalsaNext ONNX w8a16 Snapdragon® 8 Gen 3 Mobile 27.213 ms 13 - 311 MB NPU
SalsaNext ONNX w8a16 Snapdragon® 8 Gen 1 Mobile 43.224 ms 12 - 398 MB NPU
SalsaNext ONNX w8a16 Qualcomm® Dragonwing™ IQ-8275 33.765 ms 11 - 15 MB NPU
SalsaNext ONNX w8a16 Qualcomm® Dragonwing™ QCS8550 (Proxy) 36.113 ms 0 - 36 MB NPU
SalsaNext ONNX w8a16 Qualcomm® QCS8450 43.224 ms 12 - 398 MB NPU
SalsaNext ONNX w8a16 Qualcomm® Dragonwing™ IQ-9075 35.109 ms 12 - 14 MB NPU
SalsaNext ONNX w8a16 Qualcomm® Dragonwing™ IQ-X7181 33.489 ms 18 - 18 MB NPU
SalsaNext ONNX w8a16 Qualcomm® Dragonwing™ Q-8750 22.195 ms 14 - 241 MB NPU
SalsaNext ONNX w8a16 Snapdragon® 8 Elite Mobile 22.195 ms 14 - 241 MB NPU
SalsaNext ONNX w8a16 Snapdragon® 8 Elite Gen 5 Mobile 17.165 ms 12 - 244 MB NPU
SalsaNext QNN_DLC float Snapdragon® X2 Elite 13.891 ms 3 - 3 MB NPU
SalsaNext QNN_DLC float Snapdragon® X Elite 31.985 ms 3 - 3 MB NPU
SalsaNext QNN_DLC float Snapdragon® 8 Gen 3 Mobile 25.47 ms 3 - 331 MB NPU
SalsaNext QNN_DLC float Snapdragon® 8 Gen 1 Mobile 65.194 ms 2 - 347 MB NPU
SalsaNext QNN_DLC float Qualcomm® Dragonwing™ IQ-8275 43.129 ms 3 - 17 MB NPU
SalsaNext QNN_DLC float Qualcomm® Dragonwing™ IQ-8275 118.787 ms 1 - 248 MB NPU
SalsaNext QNN_DLC float Qualcomm® Dragonwing™ QCS8550 (Proxy) 33.272 ms 3 - 5 MB NPU
SalsaNext QNN_DLC float Qualcomm® SA8775P 39.247 ms 0 - 246 MB NPU
SalsaNext QNN_DLC float Qualcomm® SA8650P 39.247 ms 0 - 246 MB NPU
SalsaNext QNN_DLC float Qualcomm® SA8255P 39.247 ms 0 - 246 MB NPU
SalsaNext QNN_DLC float Qualcomm® QCS8450 65.194 ms 2 - 347 MB NPU
SalsaNext QNN_DLC float Qualcomm® Dragonwing™ IQ-9075 39.714 ms 3 - 17 MB NPU
SalsaNext QNN_DLC float Qualcomm® Dragonwing™ IQ-X7181 31.985 ms 3 - 3 MB NPU
SalsaNext QNN_DLC float Qualcomm® Dragonwing™ Q-8750 18.75 ms 0 - 266 MB NPU
SalsaNext QNN_DLC float Qualcomm® SA7255P 118.787 ms 1 - 248 MB NPU
SalsaNext QNN_DLC float Qualcomm® SA8295P 51.597 ms 0 - 260 MB NPU
SalsaNext QNN_DLC float Snapdragon® 8 Elite Mobile 18.75 ms 0 - 266 MB NPU
SalsaNext QNN_DLC float Snapdragon® 8 Elite Gen 5 Mobile 13.301 ms 3 - 293 MB NPU
SalsaNext QNN_DLC w8a16 Snapdragon® X2 Elite 18.207 ms 1 - 1 MB NPU
SalsaNext QNN_DLC w8a16 Snapdragon® X Elite 40.652 ms 1 - 1 MB NPU
SalsaNext QNN_DLC w8a16 Snapdragon® 8 Gen 3 Mobile 33.584 ms 0 - 365 MB NPU
SalsaNext QNN_DLC w8a16 Snapdragon® 8 Gen 1 Mobile 70.393 ms 2 - 420 MB NPU
SalsaNext QNN_DLC w8a16 Qualcomm® Dragonwing™ IQ-8275 41.53 ms 1 - 10 MB NPU
SalsaNext QNN_DLC w8a16 Qualcomm® Dragonwing™ IQ-8275 76.415 ms 1 - 277 MB NPU
SalsaNext QNN_DLC w8a16 Qualcomm® Dragonwing™ QCS8550 (Proxy) 40.064 ms 1 - 189 MB NPU
SalsaNext QNN_DLC w8a16 Qualcomm® SA8775P 39.845 ms 1 - 274 MB NPU
SalsaNext QNN_DLC w8a16 Qualcomm® SA8650P 39.845 ms 1 - 274 MB NPU
SalsaNext QNN_DLC w8a16 Qualcomm® SA8255P 39.845 ms 1 - 274 MB NPU
SalsaNext QNN_DLC w8a16 Qualcomm® QCS8450 70.393 ms 2 - 420 MB NPU
SalsaNext QNN_DLC w8a16 Qualcomm® Dragonwing™ IQ-9075 40.191 ms 1 - 9 MB NPU
SalsaNext QNN_DLC w8a16 Qualcomm® Dragonwing™ IQ-X7181 40.652 ms 1 - 1 MB NPU
SalsaNext QNN_DLC w8a16 Qualcomm® Dragonwing™ Q-8750 27.936 ms 1 - 296 MB NPU
SalsaNext QNN_DLC w8a16 Qualcomm® SA7255P 76.415 ms 1 - 277 MB NPU
SalsaNext QNN_DLC w8a16 Qualcomm® SA8295P 59.121 ms 2 - 327 MB NPU
SalsaNext QNN_DLC w8a16 Snapdragon® 8 Elite Mobile 27.936 ms 1 - 296 MB NPU
SalsaNext QNN_DLC w8a16 Snapdragon® 8 Elite Gen 5 Mobile 19.706 ms 1 - 348 MB NPU
SalsaNext TFLITE float Snapdragon® 8 Gen 3 Mobile 25.505 ms 9 - 343 MB NPU
SalsaNext TFLITE float Snapdragon® 8 Gen 1 Mobile 65.788 ms 10 - 359 MB NPU
SalsaNext TFLITE float Qualcomm® Dragonwing™ IQ-8275 43.197 ms 10 - 40 MB NPU
SalsaNext TFLITE float Qualcomm® Dragonwing™ IQ-8275 118.977 ms 10 - 257 MB NPU
SalsaNext TFLITE float Qualcomm® Dragonwing™ QCS8550 (Proxy) 33.065 ms 10 - 13 MB NPU
SalsaNext TFLITE float Qualcomm® SA8775P 39.326 ms 10 - 257 MB NPU
SalsaNext TFLITE float Qualcomm® SA8650P 39.326 ms 10 - 257 MB NPU
SalsaNext TFLITE float Qualcomm® SA8255P 39.326 ms 10 - 257 MB NPU
SalsaNext TFLITE float Qualcomm® QCS8450 65.788 ms 10 - 359 MB NPU
SalsaNext TFLITE float Qualcomm® Dragonwing™ IQ-9075 39.488 ms 10 - 39 MB NPU
SalsaNext TFLITE float Qualcomm® Dragonwing™ Q-8750 18.59 ms 10 - 276 MB NPU
SalsaNext TFLITE float Qualcomm® SA7255P 118.977 ms 10 - 257 MB NPU
SalsaNext TFLITE float Qualcomm® SA8295P 51.635 ms 10 - 272 MB NPU
SalsaNext TFLITE float Snapdragon® 8 Elite Mobile 18.59 ms 10 - 276 MB NPU
SalsaNext TFLITE float Snapdragon® 8 Elite Gen 5 Mobile 13.305 ms 10 - 297 MB NPU

License

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

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