8000 Add function to free GPU memory by Infernaught · Pull Request #3643 · ludwig-ai/ludwig · GitHub
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Add function to free GPU memory #3643

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Merged
merged 2 commits into from
Sep 20, 2023
Merged

Add function to free GPU memory #3643

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d171255
Add function to free GPU memory
Infernaught Sep 19, 2023
f6982b5
Add a docstring describing the method.
justinxzhao Sep 20, 2023
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9 changes: 9 additions & 0 deletions ludwig/api.py
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Expand Up @@ -1824,6 +1824,15 @@ def _check_initialization(self):
if self.model is None or self._user_config is None or self.training_set_metadata is None:
raise ValueError("Model has not been trained or loaded")

def free_gpu_memory(self):
"""Manually moves the model to CPU to force GPU memory to be freed.

For more context: https://discuss.pytorch.org/t/how-can-we-release-gpu-memory-cache/14530/35
"""
if torch.cuda.is_available():
self.model.model.to(torch.device("cpu"))
torch.cuda.empty_cache()

@staticmethod
def create_model(config_obj: Union[ModelConfig, dict], random_seed: int = default_random_seed) -> BaseModel:
"""Instantiates BaseModel object.
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