code: def main(
      tokens_per_request: int,
      batch_size: int,
      num_replicas: int,
      num_trials: int,
      trial_runtime: float,
      io_mode: str,
      socket_type: grpc.LocalConnectionType,
  ):
      """Reference benchmark for vanilla Python (w/ C-based core) gRPC implementation"""
  
      asyncio.run(
          run_grpc_benchmark(
              batch_size,
              io_mode,
              socket_type,
              num_replicas,
              num_trials,
              tokens_per_request,
              trial_runtime,
          )
      )
  
file_path: ray/python/ray/serve/_private/benchmarks/streaming/streaming_grpc_throughput.py
imports: import asyncio
  import logging
  import time
  from concurrent import futures
  from tempfile import TemporaryDirectory
  import click
  import grpc
  import ray
  from ray.serve._private.benchmarks.streaming._grpc import test_server_pb2, test_server_pb2_grpc
  from ray.serve._private.benchmarks.streaming._grpc.grpc_server import TestGRPCServer
  from ray.serve._private.benchmarks.streaming.common import Caller, IOMode
label_desc: Use image node_id 2 for calling a global function with example usage: main(tokens_per_request, batch_size, num_replicas, num_trials, trial_runtime, io_mode, socket_type) without return types