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[Doc] Update help text for --distributed-executor-backend (#10231)

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Signed-off-by: Russell Bryant <rbryant@redhat.com>
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Russell Bryant
2024-11-11 20:55:09 -05:00
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parent d1c6799b88
commit 9cdba9669c
2 changed files with 14 additions and 6 deletions
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vllm/config.py
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@@ -951,9 +951,12 @@ class ParallelConfig:
https://docs.ray.io/en/latest/ray-observability/user-guides/profiling.html#profiling-nsight-profiler.
placement_group: ray distributed model workers placement group.
distributed_executor_backend: Backend to use for distributed model
workers, either "ray" or "mp" (multiprocessing). If either
pipeline_parallel_size or tensor_parallel_size is greater than 1,
will default to "ray" if Ray is installed or "mp" otherwise.
workers, either "ray" or "mp" (multiprocessing). If the product
of pipeline_parallel_size and tensor_parallel_size is less than
or equal to the number of GPUs available, "mp" will be used to
keep processing on a single host. Otherwise, this will default
to "ray" if Ray is installed and fail otherwise. Note that tpu
and hpu only support Ray for distributed inference.
"""
def __init__(