Files
enginex-mlu370-vllm/vllm-v0.6.2/ray_mlu/test_mlu.py
2026-02-04 17:22:39 +08:00

93 lines
3.6 KiB
Python
Executable File

import os
import sys
import pytest
from unittest.mock import patch
import ray
from ray._private.accelerators import MLUAcceleratorManager as Accelerator
@patch("glob.glob")
@patch("os.listdir")
def test_autodetect_num_mlus(mock_list, mock_glob):
mock_glob.return_value = [f"/dev/davinci{i}" for i in range(4)]
# mock_list.return_value = []
assert Accelerator.get_current_node_num_accelerators() == 4
@patch("glob.glob")
@patch("os.listdir")
def test_autodetect_num_mlus_without_devices(mock_list, mock_glob):
mock_glob.side_effect = Exception
# mock_list.return_value = []
assert Accelerator.get_current_node_num_accelerators() == 0
def test_mlu_accelerator_manager_api():
assert Accelerator.get_resource_name() == "MLU"
assert Accelerator.get_visible_accelerator_ids_env_var() == "MLU_VISIBLE_DEVICES"
assert Accelerator.validate_resource_request_quantity(0.5) == (True, None)
assert Accelerator.validate_resource_request_quantity(1) == (True, None)
def test_visible_mlu_type(monkeypatch, shutdown_only):
with patch.object(
Accelerator, "get_current_node_num_accelerators", return_value=4
), patch.object(
Accelerator, "get_current_node_accelerator_type", return_value="MLU370"
):
monkeypatch.setenv("MLU_VISIBLE_DEVICES", "0,1,2")
manager = ray._private.accelerators.get_accelerator_manager_for_resource("MLU")
assert manager.get_current_node_accelerator_type() == "MLU370"
@pytest.mark.skipif(sys.platform == "win32", reason="Not supported mock on Windows")
def test_visible_mlu_ids(monkeypatch, shutdown_only):
monkeypatch.setenv("MLU_VISIBLE_DEVICES", "0,1,2")
with patch.object(Accelerator, "get_current_node_num_accelerators", return_value=4):
ray.init()
manager = ray._private.accelerators.get_accelerator_manager_for_resource("MLU")
assert manager.get_current_node_num_accelerators() == 4
assert manager.__name__ == "MLUAcceleratorManager"
assert ray.available_resources()["MLU"] == 3
def test_get_current_process_visible_accelerator_ids(monkeypatch, shutdown_only):
monkeypatch.setenv("MLU_VISIBLE_DEVICES", "0,1,2")
assert Accelerator.get_current_process_visible_accelerator_ids() == ["0", "1", "2"]
monkeypatch.delenv("MLU_VISIBLE_DEVICES")
assert Accelerator.get_current_process_visible_accelerator_ids() is None
monkeypatch.setenv("MLU_VISIBLE_DEVICES", "")
assert Accelerator.get_current_process_visible_accelerator_ids() == []
monkeypatch.setenv("MLU_VISIBLE_DEVICES", "NoDevFiles")
assert Accelerator.get_current_process_visible_accelerator_ids() == []
def test_set_current_process_visible_accelerator_ids(shutdown_only):
Accelerator.set_current_process_visible_accelerator_ids(["0"])
assert os.environ["MLU_VISIBLE_DEVICES"] == "0"
Accelerator.set_current_process_visible_accelerator_ids(["0", "1"])
assert os.environ["MLU_VISIBLE_DEVICES"] == "0,1"
Accelerator.set_current_process_visible_accelerator_ids(["0", "1", "2"])
assert os.environ["MLU_VISIBLE_DEVICES"] == "0,1,2"
@pytest.mark.skipif(sys.platform == "win32", reason="Not supported mock on Windows")
def test_auto_detected_more_than_visible(monkeypatch, shutdown_only):
with patch.object(Accelerator, "get_current_node_num_accelerators", return_value=4):
# If more MLUs are detected than visible.
monkeypatch.setenv("MLU_VISIBLE_DEVICES", "0,1,2")
ray.init()
assert ray.available_resources()["MLU"] == 3
if __name__ == "__main__":
if os.environ.get("PARALLEL_CI"):
sys.exit(pytest.main(["-n", "auto", "--boxed", "-vs", __file__]))
else:
sys.exit(pytest.main(["-sv", __file__]))