mmengine.utils.dl_utils.set_multi_processing¶ mmengine.utils.dl_utils.set_multi_processing(mp_start_method='fork', opencv_num_threads=0, distributed=False)[source]¶ Set multi-processing related environment. Parameters: mp_start_method (str) – Set the method which should be used to start child processes. Defaults to ‘fork’. opencv_num_threads (int) – Number of threads for opencv. Defaults to 0. distributed (bool) – True if distributed environment. Defaults to False. Return type: None