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qualcomm/FFNet-78S

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Model Card

FFNet-78S: Optimized for Qualcomm Devices

FFNet-78S is a "fuss-free network" that segments street scene images with per-pixel classes like road, sidewalk, and pedestrian. Trained on the Cityscapes dataset.

This is based on the implementation of FFNet-78S 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 [FFNet-78S on Qualcomm® AI Hub](https://aihub.qualcomm.com/models/ffnet_78s).

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 FFNet-78S on GitHub for usage instructions.

Model Details

Model Type: Modelusecase.semantic_segmentation

Model Stats:

—Input resolution: 2048x1024
—Model checkpoint: ffnet78SdBBBcityscapesstatedict_quarts
—Model size (float): 105 MB
—Model size (w8a8): 26.7 MB
—Number of output classes: 19
—Number of parameters: 27.5M

Performance Summary

Model	Runtime	Precision	Chipset	Inference Time (ms)	Peak Memory Range (MB)	Primary Compute Unit
FFNet-78S	ONNX	float	Snapdragon® X2 Elite	18.344 ms	24 - 24 MB	NPU
FFNet-78S	ONNX	float	Snapdragon® X Elite	37.623 ms	31 - 31 MB	NPU
FFNet-78S	ONNX	float	Snapdragon® 8 Gen 3 Mobile	27.156 ms	13 - 331 MB	NPU
FFNet-78S	ONNX	float	Snapdragon® 8 Gen 1 Mobile	59.339 ms	1 - 281 MB	NPU
FFNet-78S	ONNX	float	Qualcomm® Dragonwing™ IQ-8275	57.981 ms	24 - 51 MB	NPU
FFNet-78S	ONNX	float	Qualcomm® Dragonwing™ QCS8550 (Proxy)	38.607 ms	24 - 54 MB	NPU
FFNet-78S	ONNX	float	Qualcomm® QCS8450	59.339 ms	1 - 281 MB	NPU
FFNet-78S	ONNX	float	Qualcomm® Dragonwing™ IQ-9075	56.6 ms	24 - 51 MB	NPU
FFNet-78S	ONNX	float	Qualcomm® Dragonwing™ IQ-X7181	37.623 ms	31 - 31 MB	NPU
FFNet-78S	ONNX	float	Qualcomm® Dragonwing™ Q-8750	21.551 ms	6 - 203 MB	NPU
FFNet-78S	ONNX	float	Snapdragon® 8 Elite Mobile	21.551 ms	6 - 203 MB	NPU
FFNet-78S	ONNX	float	Snapdragon® 8 Elite Gen 5 Mobile	17.756 ms	6 - 231 MB	NPU
FFNet-78S	ONNX	w8a8	Snapdragon® X2 Elite	7.941 ms	7 - 7 MB	NPU
FFNet-78S	ONNX	w8a8	Snapdragon® X Elite	13.482 ms	22 - 22 MB	NPU
FFNet-78S	ONNX	w8a8	Snapdragon® 8 Gen 3 Mobile	8.539 ms	7 - 298 MB	NPU
FFNet-78S	ONNX	w8a8	Snapdragon® 8 Gen 1 Mobile	17.807 ms	8 - 300 MB	NPU
FFNet-78S	ONNX	w8a8	Qualcomm® Dragonwing™ QCS6490	57.248 ms	6 - 9 MB	NPU
FFNet-78S	ONNX	w8a8	Qualcomm® Dragonwing™ IQ-8275	12.772 ms	6 - 10 MB	NPU
FFNet-78S	ONNX	w8a8	Qualcomm® Dragonwing™ QCS8550 (Proxy)	12.765 ms	0 - 244 MB	NPU
FFNet-78S	ONNX	w8a8	Qualcomm® QCS8450	17.807 ms	8 - 300 MB	NPU
FFNet-78S	ONNX	w8a8	Qualcomm® Dragonwing™ IQ-9075	13.194 ms	6 - 9 MB	NPU
FFNet-78S	ONNX	w8a8	Qualcomm® Dragonwing™ IQ-X7181	13.482 ms	22 - 22 MB	NPU
FFNet-78S	ONNX	w8a8	Qualcomm® Dragonwing™ Q-6690	148.674 ms	5 - 236 MB	NPU
FFNet-78S	ONNX	w8a8	Qualcomm® Dragonwing™ Q-7790	18.425 ms	7 - 256 MB	NPU
FFNet-78S	ONNX	w8a8	Qualcomm® Dragonwing™ Q-8750	8.739 ms	1 - 217 MB	NPU
FFNet-78S	ONNX	w8a8	Snapdragon® 8 Elite Mobile	8.739 ms	1 - 217 MB	NPU
FFNet-78S	ONNX	w8a8	Snapdragon® 8 Elite Gen 5 Mobile	7.422 ms	2 - 218 MB	NPU
FFNet-78S	ONNX	w8a8	Snapdragon® 7 Gen 4 Mobile	18.425 ms	7 - 256 MB	NPU
FFNet-78S	QNN_DLC	float	Snapdragon® X2 Elite	18.044 ms	24 - 24 MB	NPU
FFNet-78S	QNN_DLC	float	Snapdragon® X Elite	44.202 ms	24 - 24 MB	NPU
FFNet-78S	QNN_DLC	float	Snapdragon® 8 Gen 3 Mobile	29.665 ms	19 - 319 MB	NPU
FFNet-78S	QNN_DLC	float	Snapdragon® 8 Gen 1 Mobile	85.825 ms	2 - 284 MB	NPU
FFNet-78S	QNN_DLC	float	Qualcomm® Dragonwing™ IQ-8275	62.871 ms	24 - 53 MB	NPU
FFNet-78S	QNN_DLC	float	Qualcomm® Dragonwing™ QCS8550 (Proxy)	42.689 ms	24 - 26 MB	NPU
FFNet-78S	QNN_DLC	float	Qualcomm® SA8775P	60.91 ms	24 - 235 MB	NPU
FFNet-78S	QNN_DLC	float	Qualcomm® SA8650P	60.91 ms	24 - 235 MB	NPU
FFNet-78S	QNN_DLC	float	Qualcomm® SA8255P	60.91 ms	24 - 235 MB	NPU
FFNet-78S	QNN_DLC	float	Qualcomm® QCS8450	85.825 ms	2 - 284 MB	NPU
FFNet-78S	QNN_DLC	float	Qualcomm® Dragonwing™ IQ-9075	62.353 ms	26 - 54 MB	NPU
FFNet-78S	QNN_DLC	float	Qualcomm® Dragonwing™ IQ-X7181	44.202 ms	24 - 24 MB	NPU
FFNet-78S	QNN_DLC	float	Qualcomm® Dragonwing™ Q-8750	21.746 ms	0 - 227 MB	NPU
FFNet-78S	QNN_DLC	float	Qualcomm® SA7255P	187.925 ms	24 - 234 MB	NPU
FFNet-78S	QNN_DLC	float	Qualcomm® SA8295P	66.501 ms	24 - 227 MB	NPU
FFNet-78S	QNN_DLC	float	Snapdragon® 8 Elite Mobile	21.746 ms	0 - 227 MB	NPU
FFNet-78S	QNN_DLC	float	Snapdragon® 8 Elite Gen 5 Mobile	15.697 ms	14 - 266 MB	NPU
FFNet-78S	QNN_DLC	w8a8	Snapdragon® X2 Elite	7.017 ms	6 - 6 MB	NPU
FFNet-78S	QNN_DLC	w8a8	Snapdragon® X Elite	17.778 ms	6 - 6 MB	NPU
FFNet-78S	QNN_DLC	w8a8	Snapdragon® 8 Gen 3 Mobile	11.634 ms	6 - 292 MB	NPU
FFNet-78S	QNN_DLC	w8a8	Snapdragon® 8 Gen 1 Mobile	24.045 ms	6 - 292 MB	NPU
FFNet-78S	QNN_DLC	w8a8	Qualcomm® Dragonwing™ QCS6490	63.743 ms	4 - 12 MB	NPU
FFNet-78S	QNN_DLC	w8a8	Qualcomm® Dragonwing™ IQ-8275	16.491 ms	4 - 13 MB	NPU
FFNet-78S	QNN_DLC	w8a8	Qualcomm® Dragonwing™ QCS8550 (Proxy)	16.784 ms	6 - 8 MB	NPU
FFNet-78S	QNN_DLC	w8a8	Qualcomm® SA8775P	17.164 ms	6 - 226 MB	NPU
FFNet-78S	QNN_DLC	w8a8	Qualcomm® SA8650P	17.164 ms	6 - 226 MB	NPU
FFNet-78S	QNN_DLC	w8a8	Qualcomm® SA8255P	17.164 ms	6 - 226 MB	NPU
FFNet-78S	QNN_DLC	w8a8	Qualcomm® QCS8450	24.045 ms	6 - 292 MB	NPU
FFNet-78S	QNN_DLC	w8a8	Qualcomm® Dragonwing™ IQ-9075	17.495 ms	6 - 14 MB	NPU
FFNet-78S	QNN_DLC	w8a8	Qualcomm® Dragonwing™ IQ-X7181	17.778 ms	6 - 6 MB	NPU
FFNet-78S	QNN_DLC	w8a8	Qualcomm® Dragonwing™ Q-6690	166.587 ms	6 - 254 MB	NPU
FFNet-78S	QNN_DLC	w8a8	Qualcomm® Dragonwing™ Q-7790	22.254 ms	6 - 243 MB	NPU
FFNet-78S	QNN_DLC	w8a8	Qualcomm® Dragonwing™ Q-8750	8.068 ms	6 - 239 MB	NPU
FFNet-78S	QNN_DLC	w8a8	Qualcomm® SA7255P	39.078 ms	6 - 225 MB	NPU
FFNet-78S	QNN_DLC	w8a8	Qualcomm® SA8295P	23.327 ms	6 - 227 MB	NPU
FFNet-78S	QNN_DLC	w8a8	Snapdragon® 8 Elite Mobile	8.068 ms	6 - 239 MB	NPU
FFNet-78S	QNN_DLC	w8a8	Snapdragon® 8 Elite Gen 5 Mobile	5.962 ms	6 - 252 MB	NPU
FFNet-78S	QNN_DLC	w8a8	Snapdragon® 7 Gen 4 Mobile	22.254 ms	6 - 243 MB	NPU
FFNet-78S	TFLITE	float	Snapdragon® 8 Gen 3 Mobile	29.198 ms	2 - 378 MB	NPU
FFNet-78S	TFLITE	float	Snapdragon® 8 Gen 1 Mobile	86.055 ms	1 - 361 MB	NPU
FFNet-78S	TFLITE	float	Qualcomm® Dragonwing™ IQ-8275	62.61 ms	0 - 83 MB	NPU
FFNet-78S	TFLITE	float	Qualcomm® Dragonwing™ QCS8550 (Proxy)	42.7 ms	3 - 5 MB	NPU
FFNet-78S	TFLITE	float	Qualcomm® SA8775P	61.005 ms	3 - 246 MB	NPU
FFNet-78S	TFLITE	float	Qualcomm® SA8650P	61.005 ms	3 - 246 MB	NPU
FFNet-78S	TFLITE	float	Qualcomm® SA8255P	61.005 ms	3 - 246 MB	NPU
FFNet-78S	TFLITE	float	Qualcomm® QCS8450	86.055 ms	1 - 361 MB	NPU
FFNet-78S	TFLITE	float	Qualcomm® Dragonwing™ IQ-9075	62.094 ms	0 - 82 MB	NPU
FFNet-78S	TFLITE	float	Qualcomm® Dragonwing™ Q-8750	21.747 ms	1 - 262 MB	NPU
FFNet-78S	TFLITE	float	Qualcomm® SA7255P	188.025 ms	3 - 245 MB	NPU
FFNet-78S	TFLITE	float	Qualcomm® SA8295P	66.497 ms	3 - 240 MB	NPU
FFNet-78S	TFLITE	float	Snapdragon® 8 Elite Mobile	21.747 ms	1 - 262 MB	NPU
FFNet-78S	TFLITE	float	Snapdragon® 8 Elite Gen 5 Mobile	15.79 ms	0 - 280 MB	NPU
FFNet-78S	TFLITE	w8a8	Snapdragon® 8 Gen 3 Mobile	6.444 ms	0 - 286 MB	NPU
FFNet-78S	TFLITE	w8a8	Snapdragon® 8 Gen 1 Mobile	18.486 ms	4 - 292 MB	NPU
FFNet-78S	TFLITE	w8a8	Qualcomm® Dragonwing™ QCS6490	49.851 ms	1 - 37 MB	NPU
FFNet-78S	TFLITE	w8a8	Qualcomm® Dragonwing™ IQ-8275	9.775 ms	1 - 37 MB	NPU
FFNet-78S	TFLITE	w8a8	Qualcomm® Dragonwing™ QCS8550 (Proxy)	9.094 ms	1 - 3 MB	NPU
FFNet-78S	TFLITE	w8a8	Qualcomm® SA8775P	9.756 ms	1 - 219 MB	NPU
FFNet-78S	TFLITE	w8a8	Qualcomm® SA8650P	9.756 ms	1 - 219 MB	NPU
FFNet-78S	TFLITE	w8a8	Qualcomm® SA8255P	9.756 ms	1 - 219 MB	NPU
FFNet-78S	TFLITE	w8a8	Qualcomm® QCS8450	18.486 ms	4 - 292 MB	NPU
FFNet-78S	TFLITE	w8a8	Qualcomm® Dragonwing™ IQ-9075	9.498 ms	0 - 36 MB	NPU
FFNet-78S	TFLITE	w8a8	Qualcomm® Dragonwing™ Q-6690	138.43 ms	1 - 246 MB	NPU
FFNet-78S	TFLITE	w8a8	Qualcomm® Dragonwing™ Q-7790	14.674 ms	1 - 234 MB	NPU
FFNet-78S	TFLITE	w8a8	Qualcomm® Dragonwing™ Q-8750	5.032 ms	0 - 230 MB	NPU
FFNet-78S	TFLITE	w8a8	Qualcomm® SA7255P	26.255 ms	1 - 218 MB	NPU
FFNet-78S	TFLITE	w8a8	Qualcomm® SA8295P	14.88 ms	0 - 221 MB	NPU
FFNet-78S	TFLITE	w8a8	Snapdragon® 8 Elite Mobile	5.032 ms	0 - 230 MB	NPU
FFNet-78S	TFLITE	w8a8	Snapdragon® 8 Elite Gen 5 Mobile	3.658 ms	1 - 243 MB	NPU
FFNet-78S	TFLITE	w8a8	Snapdragon® 7 Gen 4 Mobile	14.674 ms	1 - 234 MB	NPU

License

—The license for the original implementation of FFNet-78S can be found here.

References

Community

—Join our AI Hub Slack community to collaborate, post questions and learn more about on-device AI.
—For questions or feedback please reach out to us.