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import subprocess
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import time
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import os
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print(f"[Parent] PID: {os.getpid()}, PPID: {os.getppid()}")
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child = subprocess.Popen(["python3", "gpu_worker.py"])
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print(f"[Parent] Child spawned, PID: {child.pid}")
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time.sleep(5)
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print("[Parent] wait() 없이 종료합니다")
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os._exit(0)
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