wehub-resource-sync
53 lines
1.6 KiB
Python
53 lines
1.6 KiB
Python
# Copyright (c) 2023 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 unittest
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import paddle
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from paddle.distributed.fleet.utils.tensor_fusion_helper import (
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HOOK_ACTION,
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FusedCommBuffer,
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)
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class TestFusedCommBufferGradChecker(unittest.TestCase):
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def test_fused_comm_buffer_grad_checker(self):
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linear = paddle.nn.Linear(10, 10)
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w = linear.weight
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b = linear.bias
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w.main_grad = None
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b.main_grad = None
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buffer = FusedCommBuffer(
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id=0,
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params=[w, b],
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comm_group=None,
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acc_steps=10,
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act=HOOK_ACTION.ALL_REDUCE,
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)
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assert buffer.use_main_grad
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buffer.add_grad(w)
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buffer.add_grad(b)
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w.main_grad = paddle.to_tensor([1], stop_gradient=True, dtype="float32")
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try:
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buffer.add_grad(w)
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raise AssertionError(
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"Above add_grad should raise value error, this assertion should be unreachable."
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)
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except ValueError:
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pass
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if __name__ == "__main__":
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unittest.main()
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