486 lines
16 KiB
Python
486 lines
16 KiB
Python
#
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# Copyright (c) 2025 Huawei Technologies Co., Ltd. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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import json
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from unittest.mock import MagicMock, patch
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import pytest
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import torch
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from torch import nn
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from vllm_ascend.model_loader.netloader.netloader import DRAFT_PORT_OFFSET, ModelNetLoaderElastic
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class DummyDeviceConfig:
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device = "cuda"
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device_type = "cuda"
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class DummyParallelConfig:
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tensor_parallel_size = 1
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pipeline_parallel_size = 1
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class DummyVllmConfig:
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device_config = DummyDeviceConfig()
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parallel_config = DummyParallelConfig()
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additional_config = None
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quant_config = None
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speculative_config: object | None = None
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class DummyModelConfig:
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model = "dummy-model"
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dtype = torch.float32
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runner_type: str | None = None
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class DummyDraftModelConfig(DummyModelConfig):
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model = "draft-model"
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runner_type = "draft"
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@pytest.fixture
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def default_load_config():
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class DummyLoadConfig:
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model_loader_extra_config = None
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load_format = "default"
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return DummyLoadConfig()
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def make_loader_with_config(extra):
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class DummyLoadConfig:
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model_loader_extra_config = extra
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load_format = "default"
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return ModelNetLoaderElastic(DummyLoadConfig())
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def test_init_with_extra_config_file(tmp_path, monkeypatch):
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# Generate test JSON file
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config_content = {
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"SOURCE": [{"device_id": 0}],
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"MODEL": "foo-model",
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"LISTEN_PORT": 5001,
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"INT8_CACHE": "hbm",
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"OUTPUT_PREFIX": str(tmp_path),
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}
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config_file = tmp_path / "config.json"
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config_file.write_text(json.dumps(config_content))
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dummy_logger = MagicMock()
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monkeypatch.setattr("vllm.logger.logger", dummy_logger)
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monkeypatch.setattr("vllm_ascend.model_loader.netloader.utils.is_valid_path_prefix", lambda x: True)
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extra = {"CONFIG_FILE": str(config_file)}
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loader = make_loader_with_config(extra)
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assert loader.model_path == "foo-model"
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assert loader.source == [{"device_id": 0}]
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assert loader.listen_port == 5001
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assert loader.int8_cache == "hbm"
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assert loader.output_prefix == str(tmp_path)
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def test_init_with_extra_config(monkeypatch):
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dummy_logger = MagicMock()
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monkeypatch.setattr("vllm.logger.logger", dummy_logger)
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monkeypatch.setattr("vllm_ascend.model_loader.netloader.utils.is_valid_path_prefix", lambda x: True)
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extra = {
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"SOURCE": [{"device_id": 0}],
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"MODEL": "foo",
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"LISTEN_PORT": "4000",
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"INT8_CACHE": "dram",
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"OUTPUT_PREFIX": "/tmp/",
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}
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loader = make_loader_with_config(extra)
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assert loader.model_path == "foo"
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assert loader.listen_port == 4000
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assert loader.int8_cache == "dram"
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assert loader.output_prefix == "/tmp/"
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assert loader.source == [{"device_id": 0}]
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def test_init_with_invalid_config(monkeypatch):
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dummy_logger = MagicMock()
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monkeypatch.setattr("vllm.logger.logger", dummy_logger)
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monkeypatch.setattr("vllm_ascend.model_loader.netloader.utils.is_valid_path_prefix", lambda x: False)
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# c
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extra = {
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"SOURCE": None,
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"MODEL": None,
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"LISTEN_PORT": None,
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"INT8_CACHE": "something",
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"OUTPUT_PREFIX": None,
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}
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loader = make_loader_with_config(extra)
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assert loader.model_path is None
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assert loader.listen_port is None
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assert loader.int8_cache == "no"
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assert loader.output_prefix is None
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def test_clear_static_forward_context_clears_current_vllm_config(monkeypatch):
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class DummyCompilationConfig:
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def __init__(self):
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self.static_forward_context = {}
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class ConfigWithCompilation:
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def __init__(self):
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self.compilation_config = DummyCompilationConfig()
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passed_config = ConfigWithCompilation()
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current_config = ConfigWithCompilation()
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passed_config.compilation_config.static_forward_context["passed.layer"] = object()
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current_config.compilation_config.static_forward_context["current.layer"] = object()
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monkeypatch.setattr(
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"vllm_ascend.model_loader.netloader.netloader.get_current_vllm_config",
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lambda: current_config,
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)
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ModelNetLoaderElastic._clear_static_forward_context(passed_config)
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assert passed_config.compilation_config.static_forward_context == {}
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assert current_config.compilation_config.static_forward_context == {}
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@patch("vllm_ascend.model_loader.netloader.netloader.logger")
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def test_load_model_elastic_success(mock_logger, monkeypatch, tmp_path):
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monkeypatch.setattr("torch.distributed.get_rank", lambda: 0)
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class FakeContext:
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def __enter__(self):
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pass
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def __exit__(self, a, b, c):
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pass
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monkeypatch.setattr("torch.device", lambda d: FakeContext())
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# patch deep copy
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monkeypatch.setattr("vllm_ascend.model_loader.netloader.netloader.deepcopy", lambda x: x)
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# patch set_default_torch_dtype
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monkeypatch.setattr(
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"vllm_ascend.model_loader.netloader.netloader.set_default_torch_dtype", lambda dtype: FakeContext()
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)
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# patch initialize_model
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dummy_model = MagicMock(spec=nn.Module)
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dummy_model.eval.return_value = dummy_model
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monkeypatch.setattr("vllm_ascend.model_loader.netloader.netloader.initialize_model", lambda **kwargs: dummy_model)
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# patch elastic_load
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monkeypatch.setattr("vllm_ascend.model_loader.netloader.netloader.elastic_load", lambda **kwargs: dummy_model)
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# patch process_weights_after_loading
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monkeypatch.setattr(
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"vllm_ascend.model_loader.netloader.netloader.process_weights_after_loading", lambda *a, **k: None
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)
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# patch get_ip
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monkeypatch.setattr("vllm.utils.network_utils.get_ip", lambda: "127.0.0.1")
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# patch find_free_port
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monkeypatch.setattr("vllm_ascend.model_loader.netloader.netloader.find_free_port", lambda: 8888)
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# patch ElasticServer
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class DummyElasticServer:
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def __init__(*a, **k):
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pass
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def start(self):
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pass
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monkeypatch.setattr("vllm_ascend.model_loader.netloader.netloader.ElasticServer", DummyElasticServer)
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# write output_prefix to the temporary directory
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extra = {
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"SOURCE": [{"device_id": 0}],
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"MODEL": "foo",
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"LISTEN_PORT": 5555,
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"OUTPUT_PREFIX": str(tmp_path) + "/output_",
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"INT8_CACHE": "no",
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}
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loader = make_loader_with_config(extra)
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vllm_config = DummyVllmConfig()
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model_config = DummyModelConfig()
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result = loader.load_model(vllm_config, model_config)
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assert isinstance(result, nn.Module)
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# Check file
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written_file = tmp_path / "output_0.txt"
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assert written_file.exists()
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def _patch_loader_common(monkeypatch):
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monkeypatch.setattr("torch.distributed.get_rank", lambda: 0)
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class FakeContext:
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def __enter__(self):
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pass
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def __exit__(self, a, b, c):
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pass
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monkeypatch.setattr("torch.device", lambda d: FakeContext())
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monkeypatch.setattr("vllm_ascend.model_loader.netloader.netloader.deepcopy", lambda x: x)
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monkeypatch.setattr(
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"vllm_ascend.model_loader.netloader.netloader.set_default_torch_dtype", lambda dtype: FakeContext()
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)
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dummy_model = MagicMock(spec=nn.Module)
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dummy_model.eval.return_value = dummy_model
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monkeypatch.setattr("vllm_ascend.model_loader.netloader.netloader.initialize_model", lambda **kwargs: dummy_model)
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monkeypatch.setattr(
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"vllm_ascend.model_loader.netloader.netloader.process_weights_after_loading", lambda *a, **k: None
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)
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monkeypatch.setattr("vllm.utils.network_utils.get_ip", lambda: "127.0.0.1")
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monkeypatch.setattr("vllm_ascend.model_loader.netloader.netloader.find_free_port", lambda: 8888)
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return dummy_model
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@patch("vllm_ascend.model_loader.netloader.netloader.logger")
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def test_target_model_waits_for_all_netloader_ranks_before_draft(mock_logger, monkeypatch):
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dummy_model = _patch_loader_common(monkeypatch)
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monkeypatch.setattr("vllm_ascend.model_loader.netloader.netloader.elastic_load", lambda **kwargs: dummy_model)
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class DummyElasticServer:
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def __init__(*a, **k):
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pass
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def start(self):
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pass
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barrier_calls = []
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monkeypatch.setattr("vllm_ascend.model_loader.netloader.netloader.ElasticServer", DummyElasticServer)
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monkeypatch.setattr("torch.distributed.is_available", lambda: True)
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monkeypatch.setattr("torch.distributed.is_initialized", lambda: True)
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monkeypatch.setattr("torch.distributed.barrier", lambda: barrier_calls.append("barrier"))
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extra = {
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"SOURCE": [{"device_id": 0, "sources": ["127.0.0.1:5000"]}],
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"MODEL": "dummy-model",
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"LISTEN_PORT": 5555,
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"INT8_CACHE": "dram",
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}
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loader = make_loader_with_config(extra)
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vllm_config = DummyVllmConfig()
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vllm_config.speculative_config = object()
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loader.load_model(vllm_config, DummyModelConfig())
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assert barrier_calls == ["barrier"]
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@patch("vllm_ascend.model_loader.netloader.netloader.logger")
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def test_failed_target_model_participates_in_barrier_before_error(mock_logger, monkeypatch):
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_patch_loader_common(monkeypatch)
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monkeypatch.setattr("vllm_ascend.model_loader.netloader.netloader.elastic_load", lambda **kwargs: None)
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monkeypatch.setattr(
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ModelNetLoaderElastic,
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"revert_to_default",
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lambda self, *args, **kwargs: (None, False),
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)
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barrier_calls = []
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monkeypatch.setattr("torch.distributed.is_available", lambda: True)
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monkeypatch.setattr("torch.distributed.is_initialized", lambda: True)
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monkeypatch.setattr("torch.distributed.barrier", lambda: barrier_calls.append("barrier"))
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extra = {
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"SOURCE": [{"device_id": 0, "sources": ["127.0.0.1:5000"]}],
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"MODEL": "dummy-model",
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"LISTEN_PORT": 5555,
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"INT8_CACHE": "dram",
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}
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loader = make_loader_with_config(extra)
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vllm_config = DummyVllmConfig()
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vllm_config.speculative_config = object()
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with pytest.raises(RuntimeError, match="NetLoader elastic loads model fails"):
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loader.load_model(vllm_config, DummyModelConfig())
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assert barrier_calls == ["barrier"]
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@patch("vllm_ascend.model_loader.netloader.netloader.logger")
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def test_draft_model_does_not_wait_for_target_netloader_barrier(mock_logger, monkeypatch):
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dummy_model = _patch_loader_common(monkeypatch)
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monkeypatch.setattr("vllm_ascend.model_loader.netloader.netloader.elastic_load", lambda **kwargs: dummy_model)
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class DummyElasticServer:
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def __init__(*a, **k):
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pass
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def start(self):
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pass
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barrier_calls = []
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monkeypatch.setattr("vllm_ascend.model_loader.netloader.netloader.ElasticServer", DummyElasticServer)
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monkeypatch.setattr("torch.distributed.is_available", lambda: True)
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monkeypatch.setattr("torch.distributed.is_initialized", lambda: True)
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monkeypatch.setattr("torch.distributed.barrier", lambda: barrier_calls.append("barrier"))
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extra = {
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"SOURCE": [{"device_id": 0, "sources": ["127.0.0.1:5000"]}],
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"MODEL": "draft-model",
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"LISTEN_PORT": 5555,
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"INT8_CACHE": "dram",
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}
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loader = make_loader_with_config(extra)
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vllm_config = DummyVllmConfig()
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vllm_config.speculative_config = object()
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loader.load_model(vllm_config, DummyDraftModelConfig())
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assert barrier_calls == []
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@patch("vllm_ascend.model_loader.netloader.netloader.logger")
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def test_load_draft_model_elastic_success(mock_logger, monkeypatch, tmp_path):
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dummy_model = _patch_loader_common(monkeypatch)
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monkeypatch.setattr("vllm_ascend.model_loader.netloader.netloader.elastic_load", lambda **kwargs: dummy_model)
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elastic_server_instances = []
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class DummyElasticServer:
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def __init__(self, *args, **kwargs):
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elastic_server_instances.append(self)
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self.int8_cache = args[7]
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self.group_name = kwargs.get("group_name")
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def start(self):
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pass
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monkeypatch.setattr("vllm_ascend.model_loader.netloader.netloader.ElasticServer", DummyElasticServer)
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extra = {
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"SOURCE": [{"device_id": 0, "sources": ["127.0.0.1:5000"]}],
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"MODEL": "draft-model",
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"LISTEN_PORT": 5555,
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"OUTPUT_PREFIX": str(tmp_path) + "/output_",
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"INT8_CACHE": "no",
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}
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loader = make_loader_with_config(extra)
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result = loader.load_model(DummyVllmConfig(), DummyDraftModelConfig())
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assert isinstance(result, nn.Module)
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assert loader._draft_elastic_server is elastic_server_instances[0]
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assert loader._draft_elastic_server.int8_cache == "no"
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assert loader._draft_elastic_server.group_name == "netloader_draft"
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assert not (tmp_path / "output_0.txt").exists()
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@patch("vllm_ascend.model_loader.netloader.netloader.logger")
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def test_load_draft_model_uses_hbm_when_int8_cache_is_dram(mock_logger, monkeypatch):
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dummy_model = _patch_loader_common(monkeypatch)
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monkeypatch.setattr("vllm_ascend.model_loader.netloader.netloader.elastic_load", lambda **kwargs: dummy_model)
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captured = {}
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class DummyElasticServer:
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def __init__(self, *args, **kwargs):
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captured["int8_cache"] = args[7]
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captured["group_name"] = kwargs.get("group_name")
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def start(self):
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pass
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monkeypatch.setattr("vllm_ascend.model_loader.netloader.netloader.ElasticServer", DummyElasticServer)
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extra = {
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"SOURCE": [{"device_id": 0, "sources": ["127.0.0.1:5000"]}],
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"MODEL": "draft-model",
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"LISTEN_PORT": 5555,
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"INT8_CACHE": "dram",
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}
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loader = make_loader_with_config(extra)
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loader.load_model(DummyVllmConfig(), DummyDraftModelConfig())
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assert captured["int8_cache"] == "hbm"
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assert captured["group_name"] == "netloader_draft"
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@patch("vllm_ascend.model_loader.netloader.netloader.logger")
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def test_load_draft_model_port_offset_and_group_name(mock_logger, monkeypatch, tmp_path):
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dummy_model = _patch_loader_common(monkeypatch)
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captured = {}
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def capture_elastic_load(**kwargs):
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captured.update(kwargs)
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return dummy_model
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monkeypatch.setattr("vllm_ascend.model_loader.netloader.netloader.elastic_load", capture_elastic_load)
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class DummyElasticServer:
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def __init__(*a, **k):
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pass
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def start(self):
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pass
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monkeypatch.setattr("vllm_ascend.model_loader.netloader.netloader.ElasticServer", DummyElasticServer)
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extra = {
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"SOURCE": [{"device_id": 0, "sources": ["127.0.0.1:5000", "10.0.0.1:6000"]}],
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"MODEL": "draft-model",
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"LISTEN_PORT": 5555,
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"INT8_CACHE": "no",
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}
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loader = make_loader_with_config(extra)
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loader.load_model(DummyVllmConfig(), DummyDraftModelConfig())
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assert captured["group_name"] == "netloader_draft"
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assert captured["model_path"] == "draft-model"
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assert captured["sources"] == [
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{
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"device_id": 0,
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"sources": [
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f"127.0.0.1:{5000 + DRAFT_PORT_OFFSET}",
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f"10.0.0.1:{6000 + DRAFT_PORT_OFFSET}",
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],
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}
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]
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assert loader.listen_port == 5555 + DRAFT_PORT_OFFSET
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@patch("vllm_ascend.model_loader.netloader.netloader.logger")
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def test_load_draft_model_skips_invalid_source_addresses(mock_logger, monkeypatch):
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dummy_model = _patch_loader_common(monkeypatch)
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captured = {}
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def capture_elastic_load(**kwargs):
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captured.update(kwargs)
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return dummy_model
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monkeypatch.setattr("vllm_ascend.model_loader.netloader.netloader.elastic_load", capture_elastic_load)
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class DummyElasticServer:
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def __init__(*a, **k):
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pass
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def start(self):
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pass
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monkeypatch.setattr("vllm_ascend.model_loader.netloader.netloader.ElasticServer", DummyElasticServer)
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extra = {
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"SOURCE": [{"device_id": 0, "sources": ["127.0.0.1:5000", "invalid", "10.0.0.1:not_port"]}],
|
|
"MODEL": "draft-model",
|
|
"LISTEN_PORT": 5555,
|
|
"INT8_CACHE": "no",
|
|
}
|
|
loader = make_loader_with_config(extra)
|
|
loader.load_model(DummyVllmConfig(), DummyDraftModelConfig())
|
|
|
|
assert captured["sources"] == [
|
|
{"device_id": 0, "sources": [f"127.0.0.1:{5000 + DRAFT_PORT_OFFSET}"]},
|
|
]
|
|
|
|
|
|
if __name__ == "__main__":
|
|
pytest.main()
|