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fix: avoid PyTorch shared memory timeout on CPU by setting multiprocessing start method #445

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fix: avoid PyTorch shared memory timeout on CPU by setting multiprocessing start method #445

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5 changes: 5 additions & 0 deletions rgym_exp/runner/swarm_launcher.py
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Original file line number Diff line number Diff line change
@@ -1,5 +1,10 @@
import os

# Set multiprocessing start method to 'spawn' safely
import torch.multiprocessing as mp
if mp.get_start_method(allow_none=True) != 'spawn':
mp.set_start_method('spawn', force=True)

import hydra
from genrl.communication.communication import Communication
from genrl.communication.hivemind.hivemind_backend import (
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