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[Bugfix] Fix auto dtype casting for BatchFeature (#19316)

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Signed-off-by: Isotr0py <2037008807@qq.com>
Signed-off-by: Isotr0py <mozf@mail2.sysu.edu.cn>
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Isotr0py 2025-06-14 23:13:08 +08:00 committed by GitHub
parent 6fa718a460
commit 2db9044ab6
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7 changed files with 85 additions and 57 deletions
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25
tests/v1/engine/test_async_llm.py
View File

@ -15,6 +15,7 @@ from vllm.engine.arg_utils import AsyncEngineArgs
from vllm.inputs import PromptType
from vllm.platforms import current_platform
from vllm.sampling_params import RequestOutputKind
from vllm.utils import set_default_torch_num_threads
from vllm.v1.engine.async_llm import AsyncLLM
from vllm.v1.metrics.loggers import LoggingStatLogger
@ -107,7 +108,8 @@ async def test_load(
with monkeypatch.context() as m, ExitStack() as after:
m.setenv("VLLM_USE_V1", "1")
engine = AsyncLLM.from_engine_args(engine_args)
with set_default_torch_num_threads(1):
engine = AsyncLLM.from_engine_args(engine_args)
after.callback(engine.shutdown)
NUM_REQUESTS = 100
@ -154,7 +156,8 @@ async def test_abort(
with monkeypatch.context() as m, ExitStack() as after:
m.setenv("VLLM_USE_V1", "1")
engine = AsyncLLM.from_engine_args(engine_args)
with set_default_torch_num_threads(1):
engine = AsyncLLM.from_engine_args(engine_args)
after.callback(engine.shutdown)
NUM_REQUESTS = 100
@ -226,7 +229,8 @@ async def test_finished_flag(
with monkeypatch.context() as m, ExitStack() as after:
m.setenv("VLLM_USE_V1", "1")
engine = AsyncLLM.from_engine_args(engine_args)
with set_default_torch_num_threads(1):
engine = AsyncLLM.from_engine_args(engine_args)
after.callback(engine.shutdown)
sampling_params = SamplingParams(
@ -260,7 +264,8 @@ async def test_mid_stream_cancellation(monkeypatch: pytest.MonkeyPatch,
with monkeypatch.context() as m, ExitStack() as after:
m.setenv("VLLM_USE_V1", "1")
engine = AsyncLLM.from_engine_args(engine_args)
with set_default_torch_num_threads(1):
engine = AsyncLLM.from_engine_args(engine_args)
after.callback(engine.shutdown)
NUM_REQUESTS = 100
@ -322,10 +327,11 @@ async def test_customize_loggers(monkeypatch):
with monkeypatch.context() as m, ExitStack() as after:
m.setenv("VLLM_USE_V1", "1")
engine = AsyncLLM.from_engine_args(
TEXT_ENGINE_ARGS,
stat_loggers=[MockLoggingStatLogger],
)
with set_default_torch_num_threads(1):
engine = AsyncLLM.from_engine_args(
TEXT_ENGINE_ARGS,
stat_loggers=[MockLoggingStatLogger],
)
after.callback(engine.shutdown)
await engine.do_log_stats()
@ -340,7 +346,8 @@ async def test_dp_rank_argument(monkeypatch: pytest.MonkeyPatch):
with monkeypatch.context() as m, ExitStack() as after:
m.setenv("VLLM_USE_V1", "1")
engine = AsyncLLM.from_engine_args(TEXT_ENGINE_ARGS)
with set_default_torch_num_threads(1):
engine = AsyncLLM.from_engine_args(TEXT_ENGINE_ARGS)
after.callback(engine.shutdown)
sampling_params = SamplingParams(max_tokens=100,

22
tests/v1/engine/test_engine_core.py
View File

@ -12,6 +12,7 @@ from transformers import AutoTokenizer
from vllm import SamplingParams
from vllm.engine.arg_utils import EngineArgs
from vllm.platforms import current_platform
from vllm.utils import set_default_torch_num_threads
from vllm.v1.engine import EngineCoreRequest
from vllm.v1.engine.core import EngineCore
from vllm.v1.executor.abstract import Executor, UniProcExecutor
@ -56,9 +57,10 @@ def test_engine_core(monkeypatch: pytest.MonkeyPatch):
vllm_config = engine_args.create_engine_config()
executor_class = Executor.get_class(vllm_config)
engine_core = EngineCore(vllm_config=vllm_config,
executor_class=executor_class,
log_stats=True)
with set_default_torch_num_threads(1):
engine_core = EngineCore(vllm_config=vllm_config,
executor_class=executor_class,
log_stats=True)
"""Test basic request lifecycle."""
# First request.
@ -190,9 +192,10 @@ def test_engine_core_advanced_sampling(monkeypatch: pytest.MonkeyPatch):
vllm_config = engine_args.create_engine_config()
executor_class = Executor.get_class(vllm_config)
engine_core = EngineCore(vllm_config=vllm_config,
executor_class=executor_class,
log_stats=True)
with set_default_torch_num_threads(1):
engine_core = EngineCore(vllm_config=vllm_config,
executor_class=executor_class,
log_stats=True)
"""Test basic request lifecycle."""
# First request.
request: EngineCoreRequest = make_request()
@ -286,9 +289,10 @@ def test_engine_core_concurrent_batches(monkeypatch: pytest.MonkeyPatch):
enforce_eager=True,
)
vllm_config = engine_args.create_engine_config()
engine_core = EngineCore(vllm_config=vllm_config,
log_stats=False,
executor_class=DummyExecutor)
with set_default_torch_num_threads(1):
engine_core = EngineCore(vllm_config=vllm_config,
log_stats=False,
executor_class=DummyExecutor)
assert engine_core.batch_queue is not None
# Add two requests in a row. Each request have 12 prompt tokens.

63
tests/v1/engine/test_engine_core_client.py
View File

@ -19,6 +19,7 @@ from vllm.distributed.kv_events import (BlockStored, KVEventBatch,
from vllm.engine.arg_utils import EngineArgs
from vllm.platforms import current_platform
from vllm.usage.usage_lib import UsageContext
from vllm.utils import set_default_torch_num_threads
from vllm.v1.engine import EngineCoreRequest
from vllm.v1.engine.core import EngineCore
from vllm.v1.engine.core_client import (AsyncMPClient, EngineCoreClient,
@ -138,13 +139,15 @@ def test_engine_core_client(monkeypatch: pytest.MonkeyPatch,
vllm_config = engine_args.create_engine_config(
UsageContext.UNKNOWN_CONTEXT)
executor_class = Executor.get_class(vllm_config)
client = EngineCoreClient.make_client(
multiprocess_mode=multiprocessing_mode,
asyncio_mode=False,
vllm_config=vllm_config,
executor_class=executor_class,
log_stats=False,
)
with set_default_torch_num_threads(1):
client = EngineCoreClient.make_client(
multiprocess_mode=multiprocessing_mode,
asyncio_mode=False,
vllm_config=vllm_config,
executor_class=executor_class,
log_stats=False,
)
MAX_TOKENS = 20
params = SamplingParams(max_tokens=MAX_TOKENS)
@ -223,13 +226,15 @@ async def test_engine_core_client_asyncio(monkeypatch: pytest.MonkeyPatch):
vllm_config = engine_args.create_engine_config(
usage_context=UsageContext.UNKNOWN_CONTEXT)
executor_class = Executor.get_class(vllm_config)
client = EngineCoreClient.make_client(
multiprocess_mode=True,
asyncio_mode=True,
vllm_config=vllm_config,
executor_class=executor_class,
log_stats=True,
)
with set_default_torch_num_threads(1):
client = EngineCoreClient.make_client(
multiprocess_mode=True,
asyncio_mode=True,
vllm_config=vllm_config,
executor_class=executor_class,
log_stats=True,
)
try:
MAX_TOKENS = 20
@ -312,13 +317,14 @@ def test_kv_cache_events(
UsageContext.UNKNOWN_CONTEXT)
executor_class = Executor.get_class(vllm_config)
client = EngineCoreClient.make_client(
multiprocess_mode=multiprocessing_mode,
asyncio_mode=False,
vllm_config=vllm_config,
executor_class=executor_class,
log_stats=False,
)
with set_default_torch_num_threads(1):
client = EngineCoreClient.make_client(
multiprocess_mode=multiprocessing_mode,
asyncio_mode=False,
vllm_config=vllm_config,
executor_class=executor_class,
log_stats=False,
)
endpoint = publisher_config.endpoint.replace("*", "127.0.0.1")
subscriber = MockSubscriber(endpoint,
topic=publisher_config.topic,
@ -394,13 +400,14 @@ async def test_kv_cache_events_dp(
UsageContext.UNKNOWN_CONTEXT)
executor_class = Executor.get_class(vllm_config)
client = EngineCoreClient.make_client(
multiprocess_mode=multiprocessing_mode,
asyncio_mode=True,
vllm_config=vllm_config,
executor_class=executor_class,
log_stats=False,
)
with set_default_torch_num_threads(1):
client = EngineCoreClient.make_client(
multiprocess_mode=multiprocessing_mode,
asyncio_mode=True,
vllm_config=vllm_config,
executor_class=executor_class,
log_stats=False,
)
await asyncio.sleep(1)
# Build endpoints for all DP ranks

4
vllm/inputs/registry.py
View File

@ -168,10 +168,12 @@ class InputProcessingContext(InputContext):
try:
output = hf_processor(**data, **merged_kwargs, return_tensors="pt")
# this emulates output.to(dtype=self.model_config.dtype)
cast_output = json_map_leaves(maybe_cast_dtype, output)
if isinstance(output, BatchFeature):
cast_output = json_map_leaves(maybe_cast_dtype, output.data)
return BatchFeature(cast_output)
cast_output = json_map_leaves(maybe_cast_dtype, output)
logger.warning_once(
f"{type(hf_processor).__name__} did not return `BatchFeature`. "
"Make sure to match the behaviour of `ProcessorMixin` when "

9
vllm/model_executor/models/qwen2_5_vl.py
View File

@ -965,9 +965,9 @@ class Qwen2_5_VLForConditionalGeneration(nn.Module, SupportsMultiModal,
grid_thw_list = grid_thw.tolist()
if image_input["type"] == "image_embeds":
image_embeds = image_input["image_embeds"].type(self.visual.dtype)
image_embeds = image_input["image_embeds"]
else:
pixel_values = image_input["pixel_values"].type(self.visual.dtype)
pixel_values = image_input["pixel_values"]
image_embeds = self.visual(pixel_values, grid_thw=grid_thw_list)
# Split concatenated embeddings for each image item.
@ -985,10 +985,9 @@ class Qwen2_5_VLForConditionalGeneration(nn.Module, SupportsMultiModal,
grid_thw_list = grid_thw.tolist()
if video_input["type"] == "video_embeds":
video_embeds = video_input["video_embeds"].type(self.visual.dtype)
video_embeds = video_input["video_embeds"]
else:
pixel_values_videos = video_input["pixel_values_videos"].type(
self.visual.dtype)
pixel_values_videos = video_input["pixel_values_videos"]
video_embeds = self.visual(pixel_values_videos,
grid_thw=grid_thw_list)

9
vllm/model_executor/models/qwen2_vl.py
View File

@ -1208,9 +1208,9 @@ class Qwen2VLForConditionalGeneration(nn.Module, SupportsMultiModal,
assert grid_thw.ndim == 2
if image_input["type"] == "image_embeds":
image_embeds = image_input["image_embeds"].type(self.visual.dtype)
image_embeds = image_input["image_embeds"]
else:
pixel_values = image_input["pixel_values"].type(self.visual.dtype)
pixel_values = image_input["pixel_values"]
image_embeds = self.visual(pixel_values, grid_thw=grid_thw)
# Split concatenated embeddings for each image item.
@ -1226,10 +1226,9 @@ class Qwen2VLForConditionalGeneration(nn.Module, SupportsMultiModal,
assert grid_thw.ndim == 2
if video_input["type"] == "video_embeds":
video_embeds = video_input["video_embeds"].type(self.visual.dtype)
video_embeds = video_input["video_embeds"]
else:
pixel_values_videos = video_input["pixel_values_videos"].type(
self.visual.dtype)
pixel_values_videos = video_input["pixel_values_videos"]
video_embeds = self.visual(pixel_values_videos, grid_thw=grid_thw)
# Split concatenated embeddings for each video item.

10
vllm/utils.py
View File

@ -190,6 +190,16 @@ TORCH_DTYPE_TO_NUMPY_DTYPE = {
torch.int64: np.int64,
}
@contextlib.contextmanager
def set_default_torch_num_threads(num_threads: int):
"""Sets the default number of threads for PyTorch to the given value."""
old_num_threads = torch.get_num_threads()
torch.set_num_threads(num_threads)
yield
torch.set_num_threads(old_num_threads)
P = ParamSpec('P')
T = TypeVar("T")
U = TypeVar("U")