Files
2026-07-13 13:17:40 +08:00

61 lines
1.5 KiB
Python

import pytest
import ray
from ray.data.llm import build_processor, vLLMEngineProcessorConfig
@pytest.fixture(autouse=True)
def cleanup_ray_resources():
"""Automatically cleanup Ray resources between tests to prevent conflicts."""
yield
ray.shutdown()
@pytest.mark.parametrize(
"tp_size,pp_size",
[
(2, 4),
(4, 2),
],
)
def test_vllm_multi_node(tp_size, pp_size):
config = vLLMEngineProcessorConfig(
model_source="facebook/opt-1.3b",
engine_kwargs=dict(
enable_prefix_caching=True,
enable_chunked_prefill=True,
max_num_batched_tokens=4096,
pipeline_parallel_size=pp_size,
tensor_parallel_size=tp_size,
distributed_executor_backend="ray",
),
tokenize_stage=False,
detokenize_stage=False,
concurrency=1,
batch_size=64,
chat_template_stage=False,
)
processor = build_processor(
config,
preprocess=lambda row: dict(
prompt=f"You are a calculator. {row['id']} ** 3 = ?",
sampling_params=dict(
temperature=0.3,
max_tokens=20,
detokenize=True,
),
),
postprocess=lambda row: dict(
resp=row["generated_text"],
),
)
ds = ray.data.range(60)
ds = processor(ds)
ds = ds.materialize()
outs = ds.take_all()
assert len(outs) == 60
assert all("resp" in out for out in outs)