forked from mindspore-Ecosystem/mindspore
83 lines
2.5 KiB
Python
83 lines
2.5 KiB
Python
# Copyright 2021 Huawei Technologies Co., Ltd
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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 numpy as np
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import pytest
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import mindspore.context as context
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import mindspore.nn as nn
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from mindspore import Tensor
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from mindspore.ops import operations as P
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from mindspore.ops.composite import GradOperation
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class Grad(nn.Cell):
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def __init__(self, network):
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super(Grad, self).__init__()
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self.grad = GradOperation(get_all=True, sens_param=True)
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self.network = network
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def construct(self, input_x, dout):
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return self.grad(self.network)(input_x, dout)
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class Net(nn.Cell):
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def __init__(self):
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super(Net, self).__init__()
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self.hswish = P.HSwish()
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def construct(self, x):
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return self.hswish(x)
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def expect_hswish_forward_result(x):
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return np.where(x <= -3, 0, np.where(x >= 3, x, x * (x + 3) / 6))
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def expect_hswish_backward_result(x, dout):
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return np.where(x <= -3, 0, np.where(x >= 3, 1, x / 3 + 0.5)) * dout
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def judge_result_correct(result, expect):
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assert result.dtype == expect.dtype
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assert result.shape == expect.shape
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assert np.allclose(result, expect)
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def generate_test_cases(np_type, mode):
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context.set_context(mode=mode, device_target="GPU")
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x = np.array([-1, -2, 0, 4, 5]).astype(np_type)
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net = Net()
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output = net(Tensor(x))
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expect = expect_hswish_forward_result(x)
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judge_result_correct(output.asnumpy(), expect)
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sens = np.array([-1.45, 0.63, 0.34, 6.43, 34.6]).astype(np_type)
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backward_net = Grad(Net())
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output = backward_net(Tensor(x), Tensor(sens))
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expect = expect_hswish_backward_result(x, sens)
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judge_result_correct(output[0].asnumpy(), expect)
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@pytest.mark.level1
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@pytest.mark.platform_x86_gpu_training
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@pytest.mark.env_onecard
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def test_hswish_forward_and_backward():
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modes = (context.GRAPH_MODE, context.PYNATIVE_MODE)
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dtypes = (np.float32, np.float16)
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for mode in modes:
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for dtype in dtypes:
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generate_test_cases(dtype, mode)
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