modnet_portrait_matting — ExecuTorch XNNPACK
modnet_portrait_matting_xnnpack_fp32.pte (26.1 MB, fp32, XNNPACK-delegated)
- Source: ZHKKKe/MODNet + DavG25/modnet-pretrained-models ckpt
- License: Apache-2.0
- Input: [[1, 3, 512, 512]] — RGB [-1,1], 512x512
- Output: alpha matte [1,1,512,512] 0-1
Verification (Mac arm64, executorch 1.4.0, torch 2.13.0)
Parity vs torch fp32 eager on random input:
| output | shape | max_abs_diff | corr |
|---|---|---|---|
| 0 | [1, 1, 512, 512] | 1.572e-04 | 1.000000 |
Median latency over 10 runs (single Mac process, reference only — device numbers to follow): ExecuTorch 69.5 ms vs torch eager 120.2 ms.
Conversion
torch.export -> to_edge_transform_and_lower(XnnpackPartitioner) -> .pte (conversion scripts: executorch-models)
Part of executorch-models — a verified .pte zoo for ExecuTorch. Conversion scripts and all models are indexed there.
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