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@ -27,6 +27,42 @@ from transformers.trainer_utils import get_last_checkpoint
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# ==== ensure python can see user site & set torch extensions dir ====
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import os, sys, site
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# 1) 确保不会屏蔽用户站点包(ninja 安在 ~/.local 里)
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os.environ.pop("PYTHONNOUSERSITE", None)
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os.environ.pop("DS_BUILD_OPS", None)
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os.environ.pop("DS_SKIP_CUDA_BUILD", None)
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# 2) 把用户站点目录插入 sys.path(比如 /home/test/.local/lib/python3.10/site-packages)
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try:
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user_site = site.getusersitepackages()
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if user_site and user_site not in sys.path:
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sys.path.insert(0, user_site)
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except Exception:
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pass
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# 3) 统一 JIT 缓存目录(可选,但更稳;日志里你现在用的是 ~/.cache/torch_extensions)
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os.environ.setdefault("TORCH_EXTENSIONS_DIR", f"/tmp/{os.environ.get('USER','user')}/torch_ext")
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os.environ.setdefault("TORCH_EXTENSIONS_DIR", f"/tmp/{os.environ.get('USER','user')}/torch_ext")
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os.environ.setdefault("MAX_JOBS", "8")
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# 4) 立即验证 ninja 与 CPUAdam 的 JIT(若这里失败,日志会第一时间告诉你是哪台/哪 rank 环境不对)
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try:
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import ninja
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print(f"[env] ninja {getattr(ninja,'__version__','?')} @ {getattr(ninja,'__file__','?')}", flush=True)
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from deepspeed.ops.op_builder import CPUAdamBuilder
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CPUAdamBuilder().load()
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print("[env] CPUAdamBuilder JIT OK", flush=True)
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except Exception as e:
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import socket
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print(f"[env][host={socket.gethostname()} RANK={os.environ.get('RANK','?')}] PRE-JIT FAILED: {e}", flush=True)
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raise
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# ----------------- 进程工具 -----------------
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def is_main_process():
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return int(os.environ.get("RANK", "0")) == 0
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