test_slice_var.py 2.3 KB
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#   Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# 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
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

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import math
import unittest
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from paddle.fluid.transpiler.distribute_transpiler import slice_variable
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import paddle.fluid as fluid
import paddle.fluid.core as core
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import random


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class TestSliceVar(unittest.TestCase):
    def check_slice_output(self, shapes, expected_sizes, min_size):
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        var_list = []
        program = fluid.Program()
        for shape in shapes:
            var = program.global_block().create_var(
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                name=str(random.randint(10000, 99999)),
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                persistable=True,
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                # dtype=core.VarDesc.VarType.LOD_TENSOR,
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                shape=shape)
            var_list.append(var)
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        blocks = slice_variable(var_list, 10, min_size)
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        all_sizes = []
        for s in expected_sizes:
            for s2 in s:
                all_sizes.append(s2)
        for i, block_str in enumerate(blocks):
            varname, block_id, size = block_str.split(":")
            self.assertEqual(int(size), all_sizes[i])

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    def test_1k(self):
        shapes = [[3, 5], [1024], [28, 784], [8, 1020], [800, 10]]
        expected_sizes = [
            [15], [1024],
            [2352, 2352, 2352, 2352, 2352, 2352, 2352, 2352, 2352, 784],
            [2040, 2040, 2040, 2040],
            [1150, 1150, 1150, 1150, 1150, 1150, 1100]
        ]

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        self.check_slice_output(shapes, expected_sizes, 1024)
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    def test_check_output_8k(self):
        shapes = [[3, 5], [1024], [28, 784], [8, 1020], [800, 10],
                  [6, 33, 33, 33]]
        expected_sizes = [[15], [1024], [10976, 10976], [8160], [8000],
                          [35937, 35937, 35937, 35937, 35937, 35937]]

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        self.check_slice_output(shapes, expected_sizes, 8192)
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if __name__ == '__main__':
    unittest.main()