标签 > Cannot re-initialize CUDA in forked subprocess：先把图像预处理留在 CPU worker
Cannot re‑initialize CUDA in forked subprocess，预处理放 CPU worker，不在子进程初始化 CUDA
PyTorch Linux 下 DataLoader 设置 num_workers > 0 时报错 Cannot re-initialize CUDA in forked subprocess，根源是 Linu
2026-11-09 18:00:09