vllm/tests/v1/tpu/test_basic.py
Alexander Matveev c3f687ac22
[V1] TPU - Fix the chunked prompt bug (#15713)
Signed-off-by: Alexander Matveev <amatveev@redhat.com>
2025-03-28 20:19:04 +00:00

62 lines
1.8 KiB
Python

# SPDX-License-Identifier: Apache-2.0
"""A basic correctness check for TPUs
Run `pytest tests/v1/tpu/test_basic.py`.
"""
from __future__ import annotations
from typing import TYPE_CHECKING
import pytest
from vllm.platforms import current_platform
if TYPE_CHECKING:
from tests.conftest import VllmRunner
MODELS = [
"Qwen/Qwen2.5-1.5B-Instruct",
# TODO: Enable this models with v6e
# "Qwen/Qwen2-7B-Instruct",
# "meta-llama/Llama-3.1-8B",
]
TENSOR_PARALLEL_SIZES = [1]
# TODO: Enable when CI/CD will have a multi-tpu instance
# TENSOR_PARALLEL_SIZES = [1, 4]
@pytest.mark.skipif(not current_platform.is_tpu(),
reason="This is a basic test for TPU only")
@pytest.mark.parametrize("model", MODELS)
@pytest.mark.parametrize("max_tokens", [5])
@pytest.mark.parametrize("tensor_parallel_size", TENSOR_PARALLEL_SIZES)
def test_models(
vllm_runner: type[VllmRunner],
monkeypatch: pytest.MonkeyPatch,
model: str,
max_tokens: int,
tensor_parallel_size: int,
) -> None:
prompt = "The next numbers of the sequence " + ", ".join(
str(i) for i in range(1024)) + " are:"
example_prompts = [prompt]
with monkeypatch.context() as m:
m.setenv("VLLM_USE_V1", "1")
with vllm_runner(
model,
# Note: max_num_batched_tokens == 1024 is needed here to
# actually test chunked prompt
max_num_batched_tokens=1024,
max_model_len=8196,
gpu_memory_utilization=0.7,
max_num_seqs=16,
tensor_parallel_size=tensor_parallel_size) as vllm_model:
vllm_outputs = vllm_model.generate_greedy(example_prompts,
max_tokens)
output = vllm_outputs[0][1]
assert "1024" in output