Comments (3)
Update:
pth-time is training time, which could be reduced by compiling habitat-smi with CUDA support. Moreover, is it possible to extend the PPO trainer & policy to be compatible with multi-GPUs env? Thanks!
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Hi Chaoyi,
For your first question, that message is generated when the code obtains all the scenes in the dataset and it builds a dummy dataset. Check out this line for more detail:
sound-spaces/av_nav/common/env_utils.py
Line 40 in bff9e1b
It's weird that your GPU training time is longer than env-time. Usually the former takes more time. I would suggest you to first check if you have the correct version of pytorch installed. And I found incorrect pytorch version (matching CUDA version) significantly slowed down the training. As for multi-GPU training, I'll point you to the DD-PPO implementation (https://github.com/facebookresearch/habitat-lab/tree/master/habitat_baselines/rl/ddppo) in Habiat, which utilizes multi-gpus and speeds up training.
from sound-spaces.
Many thanks Changan! I will have a close study on it.
from sound-spaces.
Related Issues (20)
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