test_bench_serving.py

import sys
import unittest

from sglang.test.test_utils import (
    DEFAULT_FP8_MODEL_NAME_FOR_TEST,
    DEFAULT_MODEL_NAME_FOR_TEST,
    DEFAULT_MOE_MODEL_NAME_FOR_TEST,
    is_in_ci,
    run_bench_serving,
)


class TestBenchServing(unittest.TestCase):

    def test_offline_throughput_default(self):
        res = run_bench_serving(
            model=DEFAULT_MODEL_NAME_FOR_TEST,
            num_prompts=500,
            request_rate=float("inf"),
            other_server_args=[],
        )

        if is_in_ci():
            assert res["output_throughput"] > 2830

    def test_offline_throughput_non_stream_small_batch_size(self):
        res = run_bench_serving(
            model=DEFAULT_MODEL_NAME_FOR_TEST,
            num_prompts=200,
            request_rate=float("inf"),
            other_server_args=["--max-running-requests", "10"],
            dataset_name="sharegpt",
            random_input_len=None,
            random_output_len=None,
            disable_stream=True,
        )

        if is_in_ci():
            print(
                f"Output throughput: {res['output_throughput']}, Is greater than 1000: {res['output_throughput'] > 1000}",
                file=sys.stderr,
            )
            # TODO(zhyncs) fix this
            # assert res["output_throughput"] > 1000

    def test_offline_throughput_without_radix_cache(self):
        res = run_bench_serving(
            model=DEFAULT_MODEL_NAME_FOR_TEST,
            num_prompts=500,
            request_rate=float("inf"),
            other_server_args=["--disable-radix-cache"],
        )

        if is_in_ci():
            assert res["output_throughput"] > 2880

    def test_offline_throughput_without_chunked_prefill(self):
        res = run_bench_serving(
            model=DEFAULT_MODEL_NAME_FOR_TEST,
            num_prompts=500,
            request_rate=float("inf"),
            other_server_args=["--chunked-prefill-size", "-1"],
        )

        if is_in_ci():
            assert res["output_throughput"] > 2600

    def test_offline_throughput_with_triton_attention_backend(self):
        res = run_bench_serving(
            model=DEFAULT_MODEL_NAME_FOR_TEST,
            num_prompts=500,
            request_rate=float("inf"),
            other_server_args=[
                "--attention-backend",
                "triton",
                "--context-length",
                "8192",
            ],
        )

        if is_in_ci():
            assert res["output_throughput"] > 2930

    def test_offline_throughput_default_fp8(self):
        res = run_bench_serving(
            model=DEFAULT_FP8_MODEL_NAME_FOR_TEST,
            num_prompts=500,
            request_rate=float("inf"),
            other_server_args=[],
        )

        if is_in_ci():
            assert res["output_throughput"] > 3100

    def test_online_latency_default(self):
        res = run_bench_serving(
            model=DEFAULT_MODEL_NAME_FOR_TEST,
            num_prompts=100,
            request_rate=1,
            other_server_args=[],
        )

        if is_in_ci():
            assert res["median_e2e_latency_ms"] < 12000
            assert res["median_ttft_ms"] < 80
            assert res["median_itl_ms"] < 12

    def test_moe_offline_throughput_default(self):
        res = run_bench_serving(
            model=DEFAULT_MOE_MODEL_NAME_FOR_TEST,
            num_prompts=300,
            request_rate=float("inf"),
            other_server_args=["--tp", "2"],
        )

        if is_in_ci():
            assert res["output_throughput"] > 1850

    def test_moe_offline_throughput_without_radix_cache(self):
        res = run_bench_serving(
            model=DEFAULT_MOE_MODEL_NAME_FOR_TEST,
            num_prompts=300,
            request_rate=float("inf"),
            other_server_args=["--tp", "2", "--disable-radix-cache"],
        )

        if is_in_ci():
            assert res["output_throughput"] > 1950


if __name__ == "__main__":
    unittest.main()