一些LLM模型在multiproc_worker_utils.py的第120行出现了Assert错误，尤其是在使用3个GPU时。这个bug对于客户端来说是关键性的，会阻止部署。这是一个运行时错误，而不是关机错误。

1. 模型：AI-ModelScope/Mixtral-8x22B-Instruct-v0.1
2. 设置：tensor-parallel-size 3(针对3个GPU)
3. 错误：
   [rank0]: AssertionError: 32768不是3的倍数
   ERROR 07-13 02:56:30 multiproc_worker_utils.py:120] Worker VllmWorkerProcess pid 382811 died, exit code: -15
   INFO 07-13 02:56:30 multiproc_worker_utils.py:123] Killing local vLLM worker processes
   另外，
   (VllmWorkerProcess pid=412146) WARNING 07-13 03:43:42 custom_all_reduce.py:129] Custom allreduce is disabled due to an unsupported world size: 3. Supported world sizes: [2, 4, 6, 8]. To silence this warning, specify disable_custom_all_reduce=True explicitly.
   WARNING 07-13 03:43:42 custom_all_reduce.py:129] Custom allreduce is disabled due to an unsupported world size: 3. Supported world sizes: [2, 4, 6, 8]. To silence this warning, specify disable_custom_all_reduce=True explicitly.
   Traceback (most recent call last):
   File "/usr/lib/python3.8/multiprocessing/resource_tracker.py", line 201, in main
   cache[rtype].remove(name)
   KeyError: '/psm_dea5b192'
   Traceback (most recent call last):
   File "/usr/lib/python3.8/multiprocessing/resource_tracker.py", line 201, in main
   cache[rtype].remove(name)
   KeyError: '/psm_dea5b192'
   (VllmWorkerProcess pid=412146) ERROR 07-13 03:43:42 multiproc_worker_utils.py:226] Exception in worker VllmWorkerProcess while processing method load_model: 32768不是3的倍数，Traceback (most recent call last):
   (VllmWorkerProcess pid=412146) ERROR 07-13 03:43:42 multiproc_worker_utils.py:226] File "/home/cx/.local/lib/python3.8/site-packages/vllm/executor/multiproc_worker_utils.py", line 223, in _run_worker_process