docs/en/reference/utils/torch_utils.md

metadata

description: >-
  Explore Ultralytics-tailored torch utility features like Model EMA, early
  stopping, smart inference, image scaling, get_flops, and many more.
keywords: >-
  Ultralytics, Torch Utils, Model EMA, Early Stopping, Smart Inference, Get CPU
  Info, Time Sync, Fuse Deconv and bn, Get num params, Get FLOPs, Scale img,
  Copy attr, Intersect dicts, De_parallel, Init seeds, Profile

Reference for ultralytics/utils/torch_utils.py

!!! Note

This file is available at [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/utils/torch_utils.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/utils/torch_utils.py). If you spot a problem please help fix it by [contributing](https://docs.ultralytics.com/help/contributing/) a [Pull Request](https://github.com/ultralytics/ultralytics/edit/main/ultralytics/utils/torch_utils.py) 🛠️. Thank you 🙏!

::: ultralytics.utils.torch_utils.ModelEMA

::: ultralytics.utils.torch_utils.EarlyStopping

::: ultralytics.utils.torch_utils.torch_distributed_zero_first

::: ultralytics.utils.torch_utils.smart_inference_mode

::: ultralytics.utils.torch_utils.get_cpu_info

::: ultralytics.utils.torch_utils.select_device

::: ultralytics.utils.torch_utils.time_sync

::: ultralytics.utils.torch_utils.fuse_conv_and_bn

::: ultralytics.utils.torch_utils.fuse_deconv_and_bn

::: ultralytics.utils.torch_utils.model_info

::: ultralytics.utils.torch_utils.get_num_params

::: ultralytics.utils.torch_utils.get_num_gradients

::: ultralytics.utils.torch_utils.model_info_for_loggers

::: ultralytics.utils.torch_utils.get_flops

::: ultralytics.utils.torch_utils.get_flops_with_torch_profiler

::: ultralytics.utils.torch_utils.initialize_weights

::: ultralytics.utils.torch_utils.scale_img

::: ultralytics.utils.torch_utils.make_divisible

::: ultralytics.utils.torch_utils.copy_attr

::: ultralytics.utils.torch_utils.get_latest_opset

::: ultralytics.utils.torch_utils.intersect_dicts

::: ultralytics.utils.torch_utils.is_parallel

::: ultralytics.utils.torch_utils.de_parallel

::: ultralytics.utils.torch_utils.one_cycle

::: ultralytics.utils.torch_utils.init_seeds

::: ultralytics.utils.torch_utils.strip_optimizer

::: ultralytics.utils.torch_utils.profile