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test_disaggregation_pp.py 2.35 KB
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import time
import unittest
from types import SimpleNamespace

from sglang.test.few_shot_gsm8k import run_eval
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from sglang.test.test_disaggregation_utils import TestDisaggregationBase
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from sglang.test.test_utils import (
    DEFAULT_MODEL_NAME_FOR_TEST,
    DEFAULT_TIMEOUT_FOR_SERVER_LAUNCH,
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    popen_launch_pd_server,
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)


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class TestDisaggregationPPAccuracy(TestDisaggregationBase):
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    @classmethod
    def setUpClass(cls):
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        super().setUpClass()
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        cls.model = DEFAULT_MODEL_NAME_FOR_TEST

        # Non blocking start servers
        cls.start_prefill()
        cls.start_decode()

        # Block until both
        cls.wait_server_ready(cls.prefill_url + "/health")
        cls.wait_server_ready(cls.decode_url + "/health")

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        cls.launch_lb()
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    @classmethod
    def start_prefill(cls):
        prefill_args = [
            "--trust-remote-code",
            "--disaggregation-mode",
            "prefill",
            "--tp-size",
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            "2",
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            "--pp-size",
            "2",
            "--disable-overlap-schedule",
        ]
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        prefill_args += cls.transfer_backend + cls.rdma_devices
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        cls.process_prefill = popen_launch_pd_server(
            cls.model,
            cls.prefill_url,
            timeout=DEFAULT_TIMEOUT_FOR_SERVER_LAUNCH,
            other_args=prefill_args,
        )

    @classmethod
    def start_decode(cls):
        decode_args = [
            "--trust-remote-code",
            "--disaggregation-mode",
            "decode",
            "--tp",
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            "2",
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            "--base-gpu-id",
            "4",
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        ]
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        decode_args += cls.transfer_backend + cls.rdma_devices
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        cls.process_decode = popen_launch_pd_server(
            cls.model,
            cls.decode_url,
            timeout=DEFAULT_TIMEOUT_FOR_SERVER_LAUNCH,
            other_args=decode_args,
        )

    def test_gsm8k(self):
        args = SimpleNamespace(
            num_shots=5,
            data_path=None,
            num_questions=200,
            max_new_tokens=512,
            parallel=128,
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            host=f"http://{self.base_host}",
            port=int(self.lb_port),
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        )
        metrics = run_eval(args)
        print(f"{metrics=}")

        self.assertGreater(metrics["accuracy"], 0.24)
        # Wait a little bit so that the memory check happens.
        time.sleep(5)


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