385 lines
12 KiB
Python
385 lines
12 KiB
Python
import sys
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import subprocess
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import contextlib
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import pytest
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import asyncio
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import os
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import docker
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import json
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import math
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import time
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import random
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from docker.errors import NotFound
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from typing import Optional, List, Dict
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from syrupy.extensions.json import JSONSnapshotExtension
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from aiohttp import ClientConnectorError, ClientOSError, ServerDisconnectedError
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from text_generation import AsyncClient
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from text_generation.types import Response, Details, InputToken, Token, BestOfSequence
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DOCKER_IMAGE = os.getenv("DOCKER_IMAGE", None)
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HUGGING_FACE_HUB_TOKEN = os.getenv("HUGGING_FACE_HUB_TOKEN", None)
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DOCKER_VOLUME = os.getenv("DOCKER_VOLUME", "/data")
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class ResponseComparator(JSONSnapshotExtension):
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rtol = 0.2
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def serialize(
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self,
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data,
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*,
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exclude=None,
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matcher=None,
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):
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if isinstance(data, List):
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data = [d.dict() for d in data]
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data = self._filter(
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data=data, depth=0, path=(), exclude=exclude, matcher=matcher
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)
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return json.dumps(data, indent=2, ensure_ascii=False, sort_keys=False) + "\n"
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def matches(
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self,
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*,
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serialized_data,
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snapshot_data,
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) -> bool:
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def convert_data(data):
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data = json.loads(data)
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if isinstance(data, Dict):
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return Response(**data)
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if isinstance(data, List):
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return [Response(**d) for d in data]
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raise NotImplementedError
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def eq_token(token: Token, other: Token) -> bool:
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return (
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token.id == other.id
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and token.text == other.text
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and math.isclose(token.logprob, other.logprob, rel_tol=self.rtol)
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and token.special == other.special
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)
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def eq_prefill_token(prefill_token: InputToken, other: InputToken) -> bool:
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try:
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return (
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prefill_token.id == other.id
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and prefill_token.text == other.text
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and (
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math.isclose(
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prefill_token.logprob, other.logprob, rel_tol=self.rtol
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)
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if prefill_token.logprob is not None
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else prefill_token.logprob == other.logprob
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)
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)
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except TypeError:
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return False
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def eq_best_of(details: BestOfSequence, other: BestOfSequence) -> bool:
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return (
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details.finish_reason == other.finish_reason
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and details.generated_tokens == other.generated_tokens
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and details.seed == other.seed
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and len(details.prefill) == len(other.prefill)
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and all(
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[
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eq_prefill_token(d, o)
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for d, o in zip(details.prefill, other.prefill)
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]
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)
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and len(details.tokens) == len(other.tokens)
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and all([eq_token(d, o) for d, o in zip(details.tokens, other.tokens)])
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)
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def eq_details(details: Details, other: Details) -> bool:
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return (
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details.finish_reason == other.finish_reason
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and details.generated_tokens == other.generated_tokens
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and details.seed == other.seed
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and len(details.prefill) == len(other.prefill)
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and all(
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[
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eq_prefill_token(d, o)
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for d, o in zip(details.prefill, other.prefill)
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]
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)
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and len(details.tokens) == len(other.tokens)
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and all([eq_token(d, o) for d, o in zip(details.tokens, other.tokens)])
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and (
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len(details.best_of_sequences)
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if details.best_of_sequences is not None
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else 0
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)
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== (
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len(other.best_of_sequences)
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if other.best_of_sequences is not None
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else 0
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)
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and (
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all(
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[
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eq_best_of(d, o)
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for d, o in zip(
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details.best_of_sequences, other.best_of_sequences
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)
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]
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)
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if details.best_of_sequences is not None
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else details.best_of_sequences == other.best_of_sequences
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)
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)
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def eq_response(response: Response, other: Response) -> bool:
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return response.generated_text == other.generated_text and eq_details(
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response.details, other.details
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)
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serialized_data = convert_data(serialized_data)
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snapshot_data = convert_data(snapshot_data)
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if not isinstance(serialized_data, List):
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serialized_data = [serialized_data]
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if not isinstance(snapshot_data, List):
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snapshot_data = [snapshot_data]
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return len(snapshot_data) == len(serialized_data) and all(
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[eq_response(r, o) for r, o in zip(serialized_data, snapshot_data)]
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)
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class GenerousResponseComparator(ResponseComparator):
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# Needed for GPTQ with exllama which has serious numerical fluctuations.
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rtol = 0.75
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class LauncherHandle:
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def __init__(self, port: int):
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self.client = AsyncClient(f"http://localhost:{port}")
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def _inner_health(self):
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raise NotImplementedError
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async def health(self, timeout: int = 60):
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assert timeout > 0
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for _ in range(timeout):
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if not self._inner_health():
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raise RuntimeError("Launcher crashed")
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try:
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await self.client.generate("test")
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return
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except (ClientConnectorError, ClientOSError, ServerDisconnectedError) as e:
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time.sleep(1)
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raise RuntimeError("Health check failed")
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class ContainerLauncherHandle(LauncherHandle):
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def __init__(self, docker_client, container_name, port: int):
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super(ContainerLauncherHandle, self).__init__(port)
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self.docker_client = docker_client
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self.container_name = container_name
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def _inner_health(self) -> bool:
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container = self.docker_client.containers.get(self.container_name)
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return container.status in ["running", "created"]
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class ProcessLauncherHandle(LauncherHandle):
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def __init__(self, process, port: int):
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super(ProcessLauncherHandle, self).__init__(port)
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self.process = process
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def _inner_health(self) -> bool:
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return self.process.poll() is None
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@pytest.fixture
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def response_snapshot(snapshot):
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return snapshot.use_extension(ResponseComparator)
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@pytest.fixture
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def generous_response_snapshot(snapshot):
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return snapshot.use_extension(GenerousResponseComparator)
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@pytest.fixture(scope="module")
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def event_loop():
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loop = asyncio.get_event_loop()
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yield loop
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loop.close()
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@pytest.fixture(scope="module")
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def launcher(event_loop):
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@contextlib.contextmanager
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def local_launcher(
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model_id: str,
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num_shard: Optional[int] = None,
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quantize: Optional[str] = None,
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trust_remote_code: bool = False,
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use_flash_attention: bool = True,
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dtype: Optional[str] = None,
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):
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port = random.randint(8000, 10_000)
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master_port = random.randint(10_000, 20_000)
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shard_uds_path = (
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f"/tmp/tgi-tests-{model_id.split('/')[-1]}-{num_shard}-{quantize}-server"
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)
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args = [
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"text-generation-launcher",
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"--model-id",
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model_id,
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"--port",
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str(port),
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"--master-port",
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str(master_port),
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"--shard-uds-path",
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shard_uds_path,
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]
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env = os.environ
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if num_shard is not None:
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args.extend(["--num-shard", str(num_shard)])
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if quantize is not None:
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args.append("--quantize")
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args.append(quantize)
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if dtype is not None:
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args.append("--dtype")
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args.append(dtype)
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if trust_remote_code:
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args.append("--trust-remote-code")
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env["LOG_LEVEL"] = "info,text_generation_router=debug"
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if not use_flash_attention:
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env["USE_FLASH_ATTENTION"] = "false"
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with subprocess.Popen(
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args, stdout=subprocess.PIPE, stderr=subprocess.PIPE, env=env
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) as process:
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yield ProcessLauncherHandle(process, port)
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process.terminate()
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process.wait(60)
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launcher_output = process.stdout.read().decode("utf-8")
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print(launcher_output, file=sys.stderr)
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process.stdout.close()
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process.stderr.close()
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if not use_flash_attention:
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del env["USE_FLASH_ATTENTION"]
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@contextlib.contextmanager
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def docker_launcher(
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model_id: str,
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num_shard: Optional[int] = None,
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quantize: Optional[str] = None,
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trust_remote_code: bool = False,
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use_flash_attention: bool = True,
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dtype: Optional[str] = None,
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):
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port = random.randint(8000, 10_000)
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args = ["--model-id", model_id, "--env"]
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if num_shard is not None:
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args.extend(["--num-shard", str(num_shard)])
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if quantize is not None:
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args.append("--quantize")
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args.append(quantize)
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if dtype is not None:
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args.append("--dtype")
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args.append(dtype)
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if trust_remote_code:
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args.append("--trust-remote-code")
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client = docker.from_env()
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container_name = f"tgi-tests-{model_id.split('/')[-1]}-{num_shard}-{quantize}"
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try:
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container = client.containers.get(container_name)
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container.stop()
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container.wait()
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except NotFound:
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pass
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gpu_count = num_shard if num_shard is not None else 1
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env = {
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"LOG_LEVEL": "info,text_generation_router=debug",
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"ENABLE_CUDA_GRAPHS": "true",
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}
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if not use_flash_attention:
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env["USE_FLASH_ATTENTION"] = "false"
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if HUGGING_FACE_HUB_TOKEN is not None:
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env["HUGGING_FACE_HUB_TOKEN"] = HUGGING_FACE_HUB_TOKEN
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volumes = []
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if DOCKER_VOLUME:
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volumes = [f"{DOCKER_VOLUME}:/data"]
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container = client.containers.run(
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DOCKER_IMAGE,
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command=args,
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name=container_name,
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environment=env,
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auto_remove=False,
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detach=True,
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device_requests=[
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docker.types.DeviceRequest(count=gpu_count, capabilities=[["gpu"]])
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],
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volumes=volumes,
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ports={"80/tcp": port},
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shm_size="1G",
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)
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yield ContainerLauncherHandle(client, container.name, port)
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if not use_flash_attention:
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del env["USE_FLASH_ATTENTION"]
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try:
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container.stop()
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container.wait()
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except NotFound:
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pass
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container_output = container.logs().decode("utf-8")
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print(container_output, file=sys.stderr)
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container.remove()
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if DOCKER_IMAGE is not None:
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return docker_launcher
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return local_launcher
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@pytest.fixture(scope="module")
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def generate_load():
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async def generate_load_inner(
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client: AsyncClient, prompt: str, max_new_tokens: int, n: int
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) -> List[Response]:
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futures = [
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client.generate(
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prompt, max_new_tokens=max_new_tokens, decoder_input_details=True
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)
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for _ in range(n)
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]
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return await asyncio.gather(*futures)
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return generate_load_inner
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