Files
xc-llm-ascend/tests/e2e/multicard/test_data_parallel_tp2.py
Nengjun Ma a3041cd78c [Bugfix] fix dp parallel + tp > 1 offline inference port conflict (#4539)
### What this PR does / why we need it?
fix dp parallel + tp > 1 offline inference port conflict

issue import PR:https://github.com/vllm-project/vllm-ascend/pull/429


- vLLM version: v0.11.2
- vLLM main: https://github.com/vllm-project/vllm/commit/v0.11.2

---------

Signed-off-by: leo-pony <nengjunma@outlook.com>
2025-11-29 18:37:11 +08:00

53 lines
1.2 KiB
Python

"""
Run `pytest tests/e2e/multicard/test_data_parallel_tp2.py`.
"""
import os
import subprocess
import sys
from unittest.mock import patch
import pytest
MODELS = ["Qwen/Qwen3-0.6B"]
@pytest.mark.parametrize("model", MODELS)
@pytest.mark.parametrize("max_tokens", [32])
@patch.dict(os.environ, {"ASCEND_RT_VISIBLE_DEVICES": "0,1,2,3"})
def test_data_parallel_inference(model, max_tokens):
script = "examples/offline_data_parallel.py"
env = os.environ.copy()
cmd = [
sys.executable,
script,
"--model",
model,
"--dp-size",
"2",
"--tp-size",
"2",
"--node-size",
"1",
"--node-rank",
"0",
"--trust-remote-code",
]
print(f"Running subprocess: {' '.join(cmd)}")
proc = subprocess.run(cmd,
env=env,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
timeout=600)
output = proc.stdout.decode()
print(output)
assert "DP rank 0 needs to process" in output
assert "DP rank 1 needs to process" in output
assert "Generated text:" in output
assert proc.returncode == 0