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[doc] improve debugging code (#10206)

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Signed-off-by: youkaichao <youkaichao@gmail.com>
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youkaichao 2024-11-10 17:49:40 -08:00 committed by GitHub
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docs/source/getting_started/debugging.rst
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@ -75,6 +75,9 @@ If GPU/CPU communication cannot be established, you can use the following Python
print("PyTorch GLOO is successful!")
if world_size <= 1:
exit()
# Test vLLM NCCL, with cuda graph
from vllm.distributed.device_communicators.pynccl import PyNcclCommunicator