Unverified50% confidenceSolutionExact time
PyTorch's DataLoader forks multiple child processes when num_workers>0, making it one source of non-determinism; each worker must be assigned an independent, fixed seed via worker_init_fn.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
8/10/2026
First Seen
Valid until: 11/8/2026
Sources
固定随机种子GPU结果仍不可复现？深度解析原因与解决方案
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