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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 13.725 ms 35 - 35 MB NPU
SalsaNext ONNX float Snapdragon® X Elite 32.328 ms 35 - 35 MB NPU
SalsaNext ONNX float Snapdragon® 8 Gen 3 Mobile 25.996 ms 27 - 360 MB NPU
SalsaNext ONNX float Snapdragon® 8 Gen 1 Mobile 66.388 ms 0 - 350 MB NPU
SalsaNext ONNX float Qualcomm® Dragonwing™ IQ-8275 43.917 ms 22 - 26 MB NPU
SalsaNext ONNX float Qualcomm® Dragonwing™ QCS8550 (Proxy) 34.191 ms 20 - 36 MB NPU
SalsaNext ONNX float Qualcomm® QCS8450 66.388 ms 0 - 350 MB NPU
SalsaNext ONNX float Qualcomm® Dragonwing™ IQ-9075 40.31 ms 22 - 25 MB NPU
SalsaNext ONNX float Qualcomm® Dragonwing™ IQ-X7181 32.328 ms 35 - 35 MB NPU
SalsaNext ONNX float Qualcomm® Dragonwing™ Q-8750 18.832 ms 23 - 295 MB NPU
SalsaNext ONNX float Snapdragon® 8 Elite Mobile 18.832 ms 23 - 295 MB NPU
SalsaNext ONNX float Snapdragon® 8 Elite Gen 5 Mobile 13.54 ms 24 - 319 MB NPU
SalsaNext ONNX w8a16 Snapdragon® X2 Elite 15.304 ms 16 - 16 MB NPU
SalsaNext ONNX w8a16 Snapdragon® X Elite 33.489 ms 18 - 18 MB NPU
SalsaNext ONNX w8a16 Snapdragon® 8 Gen 3 Mobile 27.346 ms 13 - 310 MB NPU
SalsaNext ONNX w8a16 Snapdragon® 8 Gen 1 Mobile 42.696 ms 12 - 400 MB NPU
SalsaNext ONNX w8a16 Qualcomm® Dragonwing™ IQ-8275 33.585 ms 11 - 15 MB NPU
SalsaNext ONNX w8a16 Qualcomm® Dragonwing™ QCS8550 (Proxy) 35.5 ms 10 - 19 MB NPU
SalsaNext ONNX w8a16 Qualcomm® QCS8450 42.696 ms 12 - 400 MB NPU
SalsaNext ONNX w8a16 Qualcomm® Dragonwing™ IQ-9075 34.529 ms 13 - 16 MB NPU
SalsaNext ONNX w8a16 Qualcomm® Dragonwing™ IQ-X7181 33.489 ms 18 - 18 MB NPU
SalsaNext ONNX w8a16 Qualcomm® Dragonwing™ Q-8750 22.854 ms 12 - 237 MB NPU
SalsaNext ONNX w8a16 Snapdragon® 8 Elite Mobile 22.854 ms 12 - 237 MB NPU
SalsaNext ONNX w8a16 Snapdragon® 8 Elite Gen 5 Mobile 17.134 ms 12 - 244 MB NPU
SalsaNext QNN_DLC float Snapdragon® X2 Elite 13.682 ms 3 - 3 MB NPU
SalsaNext QNN_DLC float Snapdragon® X Elite 31.99 ms 3 - 3 MB NPU
SalsaNext QNN_DLC float Snapdragon® 8 Gen 3 Mobile 25.368 ms 0 - 328 MB NPU
SalsaNext QNN_DLC float Snapdragon® 8 Gen 1 Mobile 65.512 ms 3 - 347 MB NPU
SalsaNext QNN_DLC float Qualcomm® Dragonwing™ IQ-8275 43.075 ms 3 - 17 MB NPU
SalsaNext QNN_DLC float Qualcomm® Dragonwing™ IQ-8275 118.624 ms 1 - 247 MB NPU
SalsaNext QNN_DLC float Qualcomm® Dragonwing™ QCS8550 (Proxy) 33.994 ms 1 - 36 MB NPU
SalsaNext QNN_DLC float Qualcomm® SA8775P 39.269 ms 0 - 246 MB NPU
SalsaNext QNN_DLC float Qualcomm® SA8650P 39.269 ms 0 - 246 MB NPU
SalsaNext QNN_DLC float Qualcomm® SA8255P 39.269 ms 0 - 246 MB NPU
SalsaNext QNN_DLC float Qualcomm® QCS8450 65.512 ms 3 - 347 MB NPU
SalsaNext QNN_DLC float Qualcomm® Dragonwing™ IQ-9075 39.867 ms 3 - 17 MB NPU
SalsaNext QNN_DLC float Qualcomm® Dragonwing™ IQ-X7181 31.99 ms 3 - 3 MB NPU
SalsaNext QNN_DLC float Qualcomm® Dragonwing™ Q-8750 18.629 ms 3 - 270 MB NPU
SalsaNext QNN_DLC float Qualcomm® SA7255P 118.624 ms 1 - 247 MB NPU
SalsaNext QNN_DLC float Qualcomm® SA8295P 51.615 ms 0 - 260 MB NPU
SalsaNext QNN_DLC float Snapdragon® 8 Elite Mobile 18.629 ms 3 - 270 MB NPU
SalsaNext QNN_DLC float Snapdragon® 8 Elite Gen 5 Mobile 13.303 ms 3 - 293 MB NPU
SalsaNext QNN_DLC w8a16 Snapdragon® X2 Elite 18.573 ms 1 - 1 MB NPU
SalsaNext QNN_DLC w8a16 Snapdragon® X Elite 40.693 ms 1 - 1 MB NPU
SalsaNext QNN_DLC w8a16 Snapdragon® 8 Gen 3 Mobile 33.515 ms 1 - 366 MB NPU
SalsaNext QNN_DLC w8a16 Snapdragon® 8 Gen 1 Mobile 71.34 ms 1 - 420 MB NPU
SalsaNext QNN_DLC w8a16 Qualcomm® Dragonwing™ IQ-8275 41.568 ms 0 - 9 MB NPU
SalsaNext QNN_DLC w8a16 Qualcomm® Dragonwing™ IQ-8275 76.365 ms 2 - 277 MB NPU
SalsaNext QNN_DLC w8a16 Qualcomm® Dragonwing™ QCS8550 (Proxy) 40.064 ms 1 - 12 MB NPU
SalsaNext QNN_DLC w8a16 Qualcomm® SA8775P 39.802 ms 1 - 275 MB NPU
SalsaNext QNN_DLC w8a16 Qualcomm® SA8650P 39.802 ms 1 - 275 MB NPU
SalsaNext QNN_DLC w8a16 Qualcomm® SA8255P 39.802 ms 1 - 275 MB NPU
SalsaNext QNN_DLC w8a16 Qualcomm® QCS8450 71.34 ms 1 - 420 MB NPU
SalsaNext QNN_DLC w8a16 Qualcomm® Dragonwing™ IQ-9075 40.854 ms 1 - 9 MB NPU
SalsaNext QNN_DLC w8a16 Qualcomm® Dragonwing™ IQ-X7181 40.693 ms 1 - 1 MB NPU
SalsaNext QNN_DLC w8a16 Qualcomm® Dragonwing™ Q-8750 27.735 ms 1 - 295 MB NPU
SalsaNext QNN_DLC w8a16 Qualcomm® SA7255P 76.365 ms 2 - 277 MB NPU
SalsaNext QNN_DLC w8a16 Qualcomm® SA8295P 59.085 ms 2 - 327 MB NPU
SalsaNext QNN_DLC w8a16 Snapdragon® 8 Elite Mobile 27.735 ms 1 - 295 MB NPU
SalsaNext QNN_DLC w8a16 Snapdragon® 8 Elite Gen 5 Mobile 19.725 ms 1 - 349 MB NPU
SalsaNext TFLITE float Snapdragon® 8 Gen 3 Mobile 25.297 ms 10 - 343 MB NPU
SalsaNext TFLITE float Snapdragon® 8 Gen 1 Mobile 66.037 ms 10 - 361 MB NPU
SalsaNext TFLITE float Qualcomm® Dragonwing™ IQ-8275 43.18 ms 10 - 40 MB NPU
SalsaNext TFLITE float Qualcomm® Dragonwing™ IQ-8275 118.765 ms 10 - 257 MB NPU
SalsaNext TFLITE float Qualcomm® Dragonwing™ QCS8550 (Proxy) 34.34 ms 10 - 13 MB NPU
SalsaNext TFLITE float Qualcomm® SA8775P 39.35 ms 10 - 257 MB NPU
SalsaNext TFLITE float Qualcomm® SA8650P 39.35 ms 10 - 257 MB NPU
SalsaNext TFLITE float Qualcomm® SA8255P 39.35 ms 10 - 257 MB NPU
SalsaNext TFLITE float Qualcomm® QCS8450 66.037 ms 10 - 361 MB NPU
SalsaNext TFLITE float Qualcomm® Dragonwing™ IQ-9075 40.147 ms 10 - 39 MB NPU
SalsaNext TFLITE float Qualcomm® Dragonwing™ Q-8750 18.638 ms 9 - 277 MB NPU
SalsaNext TFLITE float Qualcomm® SA7255P 118.765 ms 10 - 257 MB NPU
SalsaNext TFLITE float Qualcomm® SA8295P 51.693 ms 10 - 271 MB NPU
SalsaNext TFLITE float Snapdragon® 8 Elite Mobile 18.638 ms 9 - 277 MB NPU
SalsaNext TFLITE float Snapdragon® 8 Elite Gen 5 Mobile 13.352 ms 10 - 299 MB NPU

License

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

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