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more video prefetch

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Pepijn
2025-08-30 16:40:18 +02:00
parent e380653c62
commit aa505d4192
1 changed files with 1 additions and 1 deletions
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src/lerobot/scripts/train.py
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@@ -258,7 +258,7 @@ def train(cfg: TrainPipelineConfig):
pin_memory=device.type == "cuda",
drop_last=False,
persistent_workers=cfg.num_workers > 0, # Keep workers alive between epochs
prefetch_factor=6, # More aggressive prefetching for video
prefetch_factor=12, # Maximum prefetch for video pipeline
timeout=30, # Prevent hanging on video decode errors
)
dl_iter = cycle(dataloader)