docs/en/reference/utils/torch_utils.md

metadata

description: >-
  Explore valuable torch utilities from Ultralytics for optimized model
  performance, including device selection, model fusion, and inference
  optimization.
keywords: >-
  Ultralytics, torch utils, model optimization, device selection, inference
  optimization, model fusion, CPU info, PyTorch tools

Reference for ultralytics/utils/torch_utils.py

!!! success "Improvements"

This page is sourced from [https://github.com/ultralytics/ultralytics/blob/main/ultralytics/utils/torch_utils.py](https://github.com/ultralytics/ultralytics/blob/main/ultralytics/utils/torch_utils.py). Have an improvement or example to add? Open a [Pull Request](https://docs.ultralytics.com/help/contributing/) — 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.autocast

---

::: ultralytics.utils.torch_utils.get_cpu_info

---

::: ultralytics.utils.torch_utils.get_gpu_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.copy_attr

---

::: ultralytics.utils.torch_utils.intersect_dicts

---

::: ultralytics.utils.torch_utils.is_parallel

---

::: ultralytics.utils.torch_utils.unwrap_model

---

::: ultralytics.utils.torch_utils.one_cycle

---

::: ultralytics.utils.torch_utils.init_seeds

---

::: ultralytics.utils.torch_utils.unset_deterministic

---

::: ultralytics.utils.torch_utils.strip_optimizer

---

::: ultralytics.utils.torch_utils.convert_optimizer_state_dict_to_fp16

---

::: ultralytics.utils.torch_utils.cuda_memory_usage

---

::: ultralytics.utils.torch_utils.profile_ops

---

::: ultralytics.utils.torch_utils.attempt_compile