Michael Goin b4fe16c75b
Add vllm bench [latency, throughput] CLI commands (#16508)
Signed-off-by: mgoin <mgoin64@gmail.com>
2025-04-14 23:10:35 -07:00

54 lines
1.7 KiB
Python

# SPDX-License-Identifier: Apache-2.0
import argparse
import vllm.entrypoints.cli.benchmark.latency
import vllm.entrypoints.cli.benchmark.serve
import vllm.entrypoints.cli.benchmark.throughput
from vllm.entrypoints.cli.types import CLISubcommand
from vllm.utils import FlexibleArgumentParser
BENCHMARK_CMD_MODULES = [
vllm.entrypoints.cli.benchmark.latency,
vllm.entrypoints.cli.benchmark.serve,
vllm.entrypoints.cli.benchmark.throughput,
]
class BenchmarkSubcommand(CLISubcommand):
""" The `bench` subcommand for the vLLM CLI. """
def __init__(self):
self.name = "bench"
super().__init__()
@staticmethod
def cmd(args: argparse.Namespace) -> None:
args.dispatch_function(args)
def validate(self, args: argparse.Namespace) -> None:
if args.bench_type in self.cmds:
self.cmds[args.bench_type].validate(args)
def subparser_init(
self,
subparsers: argparse._SubParsersAction) -> FlexibleArgumentParser:
bench_parser = subparsers.add_parser(
"bench",
help="vLLM bench subcommand.",
description="vLLM bench subcommand.",
usage="vllm bench <bench_type> [options]")
bench_subparsers = bench_parser.add_subparsers(required=True,
dest="bench_type")
self.cmds = {}
for cmd_module in BENCHMARK_CMD_MODULES:
new_cmds = cmd_module.cmd_init()
for cmd in new_cmds:
cmd.subparser_init(bench_subparsers).set_defaults(
dispatch_function=cmd.cmd)
self.cmds[cmd.name] = cmd
return bench_parser
def cmd_init() -> list[CLISubcommand]:
return [BenchmarkSubcommand()]