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Update train.py #109

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Update train.py #109

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Commits on Feb 2, 2023

  1. Update train.py 

    A command like "python train.py task=Ant headless=True sim_device=cpu rl_device=cpu" can not work correctly.
The reason is "rlg_config_dict" doesn't include the information of "rl_device".

In the "a2c_common.py" of "rl_games", there is a line of code: "self.ppo_device = config.get('device', 'cuda:0')".
So the RL algorithm will always only work on the cuda:0.
    @Li-Guanda
    Li-Guanda authored Feb 2, 2023
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