49 lines
2.0 KiB
Python
49 lines
2.0 KiB
Python
# Copyright (c) 2022 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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import legacy_test.test_collective_api_base as test_base
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import paddle
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from paddle import base
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class TestCollectiveAllgatherObjectAPI(test_base.TestCollectiveAPIRunnerBase):
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def __init__(self):
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self.global_ring_id = 0
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def get_model(self, main_prog, startup_program, rank, indata=None):
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with base.program_guard(main_prog, startup_program):
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# Run the collective twice, once per supported initialization
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# style, and assert the results match. This locks in the
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# alignment with torch.distributed.all_gather_object: both an
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# empty list (Paddle legacy) and a pre-allocated [None]*world_size
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# (PyTorch) must produce identical output. Doubles the comm cost
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# for this test but stays well inside the 120s timeout.
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paddle_style = []
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paddle.distributed.all_gather_object(paddle_style, indata)
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world_size = paddle.distributed.get_world_size()
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torch_style = [None for _ in range(world_size)]
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paddle.distributed.all_gather_object(torch_style, indata)
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assert paddle_style == torch_style, (
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f"all_gather_object initialization styles disagree: "
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f"empty-list {paddle_style!r} vs pre-allocated {torch_style!r}"
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)
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return torch_style
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if __name__ == "__main__":
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test_base.runtime_main(TestCollectiveAllgatherObjectAPI, "allgather_object")
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