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gongweibao
a6351dea0b
* init * init * fix format * add * add files * add ut * fix some * add ut * add more * add * fix pre-commit * fix pre-commit * fix cover * skip long seq * add * add * fix * remove not need * fix set attr * fix comments * fix comments * fix failed tests --------- Co-authored-by: gongweibao <gognweibao@baidu.com>
78 lines
3.1 KiB
Python
78 lines
3.1 KiB
Python
# Copyright (c) 2025 PaddlePaddle Authors. 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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Tests for CustomAllreduce._initialized guard (aff1eae8).
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Behavior under test:
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- should_custom_ar() returns False when _initialized is False.
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- Construction with custom_ar=True but no distributed environment
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leaves _initialized=False (world_size=1 early return).
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Why mock:
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- paddle.distributed.get_rank / get_world_size are distributed communication
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primitives that require a real multi-GPU NCCL group. We mock them at the
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external system boundary so the test runs on a single process.
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"""
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import unittest
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from unittest.mock import MagicMock, patch
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import paddle
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from fastdeploy.distributed.custom_all_reduce.custom_all_reduce import (
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CustomAllreduce,
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custom_ar,
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)
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class TestCustomAllreduceInitializedGuard(unittest.TestCase):
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"""Behavior: should_custom_ar returns False when not fully initialized."""
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@unittest.skipUnless(custom_ar, "custom allreduce library not available")
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@patch("paddle.distributed.get_world_size", return_value=1)
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@patch("paddle.distributed.get_rank", return_value=0)
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def test_single_gpu_not_initialized(self, _mock_rank, _mock_ws):
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"""world_size=1 → constructor returns early → _initialized stays False."""
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fake_group = MagicMock()
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ar = CustomAllreduce(group=fake_group, max_size=8192 * 1024)
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self.assertFalse(ar._initialized)
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@unittest.skipUnless(custom_ar, "custom allreduce library not available")
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@patch("paddle.distributed.get_world_size", return_value=1)
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@patch("paddle.distributed.get_rank", return_value=0)
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def test_should_custom_ar_false_when_not_initialized(self, _mock_rank, _mock_ws):
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"""should_custom_ar must return False when _initialized is False."""
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fake_group = MagicMock()
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ar = CustomAllreduce(group=fake_group, max_size=8192 * 1024)
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inp = paddle.zeros([4, 1024], dtype=paddle.float16)
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self.assertFalse(ar.should_custom_ar(inp))
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@unittest.skipUnless(custom_ar, "custom allreduce library not available")
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@patch("paddle.distributed.get_world_size", return_value=3)
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@patch("paddle.distributed.get_rank", return_value=0)
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def test_unsupported_world_size_not_initialized(self, _mock_rank, _mock_ws):
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"""world_size=3 (not in SUPPORTED_WORLD_SIZES) → _initialized stays False."""
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fake_group = MagicMock()
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ar = CustomAllreduce(group=fake_group, max_size=8192 * 1024)
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self.assertFalse(ar._initialized)
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inp = paddle.zeros([4, 1024], dtype=paddle.float16)
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self.assertFalse(ar.should_custom_ar(inp))
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if __name__ == "__main__":
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unittest.main()
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