314 lines
11 KiB
Python
314 lines
11 KiB
Python
import json
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import os
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import threading
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from pathlib import Path
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from typing import Any
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import pytest
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from tests.dfx.conftest import (
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create_benchmark_indices,
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create_test_parameter_mapping,
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create_unique_server_params,
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get_benchmark_params_for_server,
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load_configs,
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run_benchmark,
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)
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from tests.helpers.runtime import OmniServer
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pytestmark = [pytest.mark.full_model]
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os.environ["VLLM_WORKER_MULTIPROC_METHOD"] = "spawn"
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def _get_config_file_from_argv() -> str | None:
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"""Read ``--test-config-file`` from ``sys.argv`` at import time so parametrization can use it."""
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import sys
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for i, arg in enumerate(sys.argv):
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if arg == "--test-config-file" and i + 1 < len(sys.argv):
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return sys.argv[i + 1]
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if arg.startswith("--test-config-file="):
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return arg.split("=", 1)[1]
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return None
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_PERF_TESTS_DIR = Path(__file__).resolve().parent.parent / "tests"
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_DEFAULT_CONFIG_FILE = str(_PERF_TESTS_DIR / "test_qwen_omni.json")
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CONFIG_FILE_PATH = _get_config_file_from_argv()
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if CONFIG_FILE_PATH is None:
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print(
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"No --test-config-file in argv, using default: tests/dfx/perf/tests/test_qwen_omni.json "
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"(override with e.g. --test-config-file tests/dfx/perf/tests/test_tts.json)"
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)
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CONFIG_FILE_PATH = _DEFAULT_CONFIG_FILE
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BENCHMARK_CONFIGS = load_configs(CONFIG_FILE_PATH)
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OMNI_RESULT_TEMPLATE_PATH = Path(__file__).parent / "result_omni_template.json"
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DEPLOY_CONFIGS_DIR = Path(__file__).parent.parent / "deploy"
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test_params = create_unique_server_params(BENCHMARK_CONFIGS, DEPLOY_CONFIGS_DIR)
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server_to_benchmark_mapping = create_test_parameter_mapping(BENCHMARK_CONFIGS)
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_omni_server_lock = threading.Lock()
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@pytest.fixture(scope="module")
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def omni_server(request):
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"""Start vLLM-Omni server as a subprocess with actual model weights.
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Uses session scope so the server starts only once for the entire test session.
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Multi-stage initialization can take 10-20+ minutes.
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"""
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with _omni_server_lock:
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test_name, model, stage_config_path, stage_overrides, extra_cli_args, use_omni = request.param
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print(f"Starting OmniServer with test: {test_name}, model: {model}")
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server_args: list[str] = []
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if use_omni:
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server_args += ["--stage-init-timeout", "600", "--init-timeout", "900"]
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# --deploy-config and --stage-overrides compose at the CLI (see vllm_omni/entrypoints/utils.py):
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# deploy-config sets the base; stage-overrides are applied on top. Both can be set.
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if stage_config_path:
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server_args = ["--deploy-config", stage_config_path] + server_args
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if stage_overrides:
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server_args = ["--stage-overrides", stage_overrides] + server_args
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if extra_cli_args:
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server_args = list(extra_cli_args) + server_args
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with OmniServer(model, server_args, use_omni=use_omni) as server:
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server.test_name = test_name
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print("OmniServer started successfully")
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yield server
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print("OmniServer stopping...")
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print("OmniServer stopped")
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def _safe_filename_token(value: Any | None, *, default: str = "na") -> str:
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"""Make a single path segment safe for result filenames on common filesystems."""
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if value is None:
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return default
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s = str(value).strip()
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for bad in ("/", "\\", ":", "*", "?", '"', "<", ">", "|"):
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s = s.replace(bad, "_")
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return s if s else default
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benchmark_indices = create_benchmark_indices(BENCHMARK_CONFIGS, server_to_benchmark_mapping)
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@pytest.fixture(params=benchmark_indices)
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def benchmark_params(request, omni_server):
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"""Benchmark parameters fixture with proper parametrization"""
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test_name, param_index = request.param
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if test_name != omni_server.test_name:
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pytest.skip(f"Skipping parameter for {test_name} - current server is {omni_server.test_name}")
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all_params = get_benchmark_params_for_server(test_name, server_to_benchmark_mapping)
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if not all_params:
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raise ValueError(f"No benchmark parameters found for test: {test_name}")
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if param_index >= len(all_params):
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raise ValueError(f"No benchmark parameters found for index {param_index} in test: {test_name}")
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current = param_index + 1
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total = len(all_params)
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print(f"\n Running benchmark {current}/{total} for {test_name}")
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return {
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"test_name": test_name,
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"params": all_params[param_index],
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}
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def _resolve_baseline_value(
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baseline_raw: Any,
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*,
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sweep_index: int | None,
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max_concurrency: Any = None,
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request_rate: Any = None,
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) -> Any:
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"""Pick the baseline threshold for this sweep step.
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Supported shapes per metric:
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- **Scalar** — same threshold for every concurrency / QPS.
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- **List** — aligned with ``max_concurrency`` / ``request_rate`` sweep order; use ``sweep_index``.
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- **Dict** — keyed by concurrency or rate, e.g. ``{"1": 500, "4": 800}`` (keys are strings in JSON).
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For dict lookup, ``max_concurrency`` is preferred when both are set (concurrency sweep).
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"""
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if baseline_raw is None:
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# If no baseline is set, the maximum value will be used.
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return 100000
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if isinstance(baseline_raw, dict):
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if max_concurrency is not None:
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for key in (max_concurrency, str(max_concurrency)):
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if key in baseline_raw:
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return baseline_raw[key]
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if request_rate is not None:
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for key in (request_rate, str(request_rate)):
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if key in baseline_raw:
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return baseline_raw[key]
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raise KeyError(
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f"baseline dict has no key for max_concurrency={max_concurrency!r} "
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f"or request_rate={request_rate!r}; keys={list(baseline_raw.keys())!r}"
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)
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if isinstance(baseline_raw, (list, tuple)):
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return baseline_raw[sweep_index]
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return baseline_raw
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def _baseline_thresholds_for_step(
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baseline_data: dict[str, Any],
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*,
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sweep_index: int | None = None,
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max_concurrency: Any = None,
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request_rate: Any = None,
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) -> dict[str, Any]:
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"""Resolve ``test.json`` ``baseline`` block to one threshold per metric (same as ``assert_result``)."""
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return {
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metric_name: _resolve_baseline_value(
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baseline_raw,
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sweep_index=sweep_index,
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max_concurrency=max_concurrency,
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request_rate=request_rate,
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)
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for metric_name, baseline_raw in baseline_data.items()
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}
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def assert_result(
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result,
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params,
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num_prompt,
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*,
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sweep_index: int | None = None,
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max_concurrency: Any = None,
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request_rate: Any = None,
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) -> None:
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assert result["completed"] == num_prompt, "Request failures exist"
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baseline_data = params.get("baseline", {})
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for metric_name, baseline_raw in baseline_data.items():
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current_value = result[metric_name]
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baseline_value = _resolve_baseline_value(
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baseline_raw,
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sweep_index=sweep_index,
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max_concurrency=max_concurrency,
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request_rate=request_rate,
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)
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if "throughput" in metric_name:
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if current_value <= baseline_value:
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print(
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f"ERROR: Throughput test results were below baseline: {metric_name}: {current_value} > {baseline_value}"
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)
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else:
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if current_value >= baseline_value:
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print(f"ERROR: Test results exceeded baseline: {metric_name}: {current_value} < {baseline_value}")
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@pytest.mark.benchmark
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@pytest.mark.parametrize("omni_server", test_params, indirect=True)
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@pytest.mark.parametrize("benchmark_params", benchmark_indices, indirect=True)
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def test_performance_benchmark(omni_server, benchmark_params):
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test_name = benchmark_params["test_name"]
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params = benchmark_params["params"]
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dataset_name = params.get("dataset_name", "")
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host = omni_server.host
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port = omni_server.port
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model = omni_server.model
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print(f"Running benchmark for model: {model}")
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print(f"Benchmark parameters: {benchmark_params}")
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def to_list(value, default=None):
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if value is None:
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return [] if default is None else [default]
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return [value] if not isinstance(value, (list, tuple)) else list(value)
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qps_list = to_list(params.get("request_rate"))
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num_prompt_list = to_list(params.get("num_prompts"))
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max_concurrency_list = to_list(params.get("max_concurrency"))
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max_len = max(len(qps_list), len(max_concurrency_list))
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if len(num_prompt_list) == 1 and max_len > 1:
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num_prompt_list = num_prompt_list * max_len
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elif max_len == 1 and len(num_prompt_list) > 1:
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if len(qps_list) == 1:
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qps_list = qps_list * len(num_prompt_list)
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if len(max_concurrency_list) == 1:
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max_concurrency_list = max_concurrency_list * len(num_prompt_list)
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max_len = max(len(qps_list), len(max_concurrency_list))
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elif len(num_prompt_list) != max_len and max_len > 0:
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raise ValueError("The number of prompts does not match the QPS or max_concurrency")
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args = ["--host", host, "--port", str(port)]
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exclude_keys = {"request_rate", "baseline", "num_prompts", "max_concurrency", "task", "enabled", "eval_phase"}
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for key, value in params.items():
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if key in exclude_keys or value is None:
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continue
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arg_name = f"--{key.replace('_', '-')}"
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if isinstance(value, bool) and value:
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args.append(arg_name)
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elif isinstance(value, dict):
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json_str = json.dumps(value, ensure_ascii=False, separators=(",", ":"))
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args.extend([arg_name, json_str])
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elif not isinstance(value, bool):
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args.extend([arg_name, str(value)])
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# QPS test (sweep_index aligns with qps_list / num_prompt_list for this loop)
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for i, (qps, num_prompt) in enumerate(zip(qps_list, num_prompt_list)):
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args = args + ["--request-rate", str(qps), "--num-prompts", str(num_prompt)]
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result = run_benchmark(
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args=args,
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test_name=test_name,
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flow=qps,
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dataset_name=dataset_name,
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num_prompt=num_prompt,
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baseline_config=params.get("baseline"),
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sweep_index=i,
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request_rate=qps,
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max_concurrency=None,
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random_input_len=params.get("random_input_len"),
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random_output_len=params.get("random_output_len"),
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)
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assert_result(
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result,
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params,
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num_prompt=num_prompt,
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sweep_index=i,
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request_rate=qps,
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)
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# concurrency test (sweep_index aligns with max_concurrency_list for separate thresholds per concurrency)
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for i, (concurrency, num_prompt) in enumerate(zip(max_concurrency_list, num_prompt_list)):
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args = args + ["--max-concurrency", str(concurrency), "--num-prompts", str(num_prompt), "--request-rate", "inf"]
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result = run_benchmark(
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args=args,
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test_name=test_name,
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flow=concurrency,
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dataset_name=dataset_name,
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num_prompt=num_prompt,
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baseline_config=params.get("baseline"),
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sweep_index=i,
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request_rate=None,
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max_concurrency=concurrency,
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random_input_len=params.get("random_input_len"),
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random_output_len=params.get("random_output_len"),
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)
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assert_result(
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result,
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params,
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num_prompt=num_prompt,
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sweep_index=i,
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max_concurrency=concurrency,
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)
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