MonSter++
The accuracy model of MonSter++, which combines mono depth and stereo matching; Autel Robotics and Huazhong University of Science and Technology. Non-commercial licence.
Commercial use: no (code: LicenseRef-noncommercial (noncommercial); weights: LicenseRef-noncommercial AND CC-BY-NC-4.0).
| variant | input | backend | time (ms) | peak memory (MiB, allocated / reserved) |
|---|---|---|---|---|
monster-plusplus-mix-all | Middlebury 2014 half (994x1482) | original (fp32) original portable kernels portable + torch.compile TensorRT fp16 | 4339 4334 1633 698 1126 697 | 6382 / 6430 6382 / 6430 2583 / 2918 2438 / 2760 2328 / 2532 2642 (engine) |
Details
- Original code: https://github.com/Junda24/MonSter-plusplus at
9167101af8fb - Code licence: LicenseRef-noncommercial (noncommercial); files:
LICENSE - Weights licence: LicenseRef-noncommercial AND CC-BY-NC-4.0
- Licence evidence: https://github.com/Junda24/MonSter-plusplus/blob/9167101af8fbe93c706707daa7a8181089c8b1b4/LICENSE#L34
- Training data: mix_all: 'all the datasets we collect over 2M image pairs' (README), not listed
- Options:
iters= 32 (>= 1) - Kernel libraries:
igev,igevpp,cutlass_conv,cudnn_hacc,fastbb - Variants:
monster-plusplus-mix-all - Outputs: disparity
- Input size: any H x W >= 32, padded to a multiple of 32
- Tested up to (portable, fp16, RTX 5060 Ti 16 GB):
monster-plusplus-mix-all1988x2880 (7.7 GiB peak allocated, 9.6 reserved) monster-plusplus-mix-all994x1482, first call: portable + torch.compile 109 s (cold Inductor cache), TensorRT fp16 416 s (ONNX + engine).monster-plusplus-mix-allload / first call: original 8.37 s / 1.233 s (375x1242), portable 2.45 s / 1.633† s, kernels 0.79† s / 0.698† s- † measured in the speed sweep after the portable load (or an earlier size) in the same process: file cache and kernels are warm, so the time is lower than a fresh start.
- Protocol, median of 5 after 3 warm-up, uint8 CUDA input (synthetic for bench_inputs sizes), card defaults; gc before each load; peak = max over the first call and the timed calls
Measured
Original = the original code named under Details, same checkpoint and protocol.
| variant | dataset | original fp32 | original fp16 | portable | kernels | note |
|---|---|---|---|---|---|---|
monster-plusplus-mix-all | ETH3D two-view train, bad > 1 px % / EPE | 1.08 / 0.175 | 1.08 / 0.175 | 1.08 / 0.175 | 1.08 / 0.175 | possibly in the training data |
monster-plusplus-mix-all | Middlebury 2014 trainingH, bad > 2 px % / EPE | 3.77 / 0.630 | 3.78 / 0.630 | 3.75 / 0.630 | 3.75 / 0.630 | possibly in the training data |
Measured on NVIDIA GeForce RTX 5060 Ti, torch 2.14.1+cu130, fastforks 468fba10, 2026-11-05.
Parity
CPU, float32: max |diff| <= 0.2 vs the original. GPU, float16 (the default), portable and kernels: mean |diff| <= 0.03 px and p99 <= 0.25 px.
| variant | kernels error vs original, mean / p99 | GPU, torch | kernels used |
|---|---|---|---|
monster-plusplus-mix-all | 0.02547 / 0.13171 | RTX 5060 Ti, torch 2.14.1+cu130 | cudnn_hacc@cudnn92400, cutlass_conv@988138e042cb:sm_120, fastbb@7d058322634d:sm_120, igev@f075827d68c6:sm_120, igevpp@df1bb4dbe09a:sm_120 |