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[GH-ISSUE #76] Error executing method determine_num_available_blocks: vLLM multi node fails for both DeepSeek-Coder-V2-Instruct and DeepSeek-Coder-V2-Lite-Instruct #72
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deepseek-ai/DeepSeek-V2#72
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Originally created by @liangfang on GitHub (Jul 28, 2024).
Original GitHub issue: https://github.com/deepseek-ai/DeepSeek-V2/issues/76
首先想问一下DeepSeek有没有试过在vLLM multi node上运行过?
我是通过ray在2个node x 8 GPUs V100上以half(float16)运行
这是运行参数:
CUDA_LAUNCH_BLOCKING=1 OMP_NUM_THREADS=1 vllm serve deepseek-ai/DeepSeek-Coder-V2-Instruct --tensor-parallel-size 16 --dtype half --trust-remote-code --enforce-eager --enable-chunked-prefill=FalseDeepSeek-Coder-V2-Lite-Instruct也是在determine_num_available_blocks 处fails, 但是报一个NCCL error:
(RayWorkerWrapper pid=23558, ip=10.0.128.18) ERROR 07-28 13:53:40 worker_base.py:382] RuntimeError: NCCL Error 3: internal error - please report this issue to the NCCL developers
@onlybeyou commented on GitHub (Sep 5, 2024):
完全一样的问题,且观察到GPU利用只有50%