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mindspore/tests/st/ops/graph_kernel/test_sigmoid.py

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# Copyright 2021 Huawei Technologies Co., Ltd
#
# 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
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# 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.
# ============================================================================
import numpy as np
import pytest
import mindspore.context as context
import mindspore.nn as nn
from mindspore import Tensor
from mindspore.ops import operations as P
from mindspore.ops.operations import _grad_ops as G
class NetSigmoid(nn.Cell):
def __init__(self):
super(NetSigmoid, self).__init__()
self.sigmoid = P.Sigmoid()
def construct(self, x):
return self.sigmoid(x)
class NetSigmoidGrad(nn.Cell):
def __init__(self):
super(NetSigmoidGrad, self).__init__()
self.sigmoid_grad = G.SigmoidGrad()
def construct(self, y, dy):
return self.sigmoid_grad(y, dy)
@pytest.mark.level0
@pytest.mark.platform_x86_gpu_training
@pytest.mark.env_onecard
def test_sigmoid():
x = Tensor(np.array([[[[-1, 1, 10],
[1, -1, 1],
[10, 1, -1]]]]).astype(np.float32))
error = np.ones(shape=[1, 1, 3, 3]) * 1.0e-6
context.set_context(mode=context.GRAPH_MODE,
enable_graph_kernel=True, device_target="GPU")
net = NetSigmoid()
result_open_gk = net(x)
context.set_context(mode=context.GRAPH_MODE,
enable_graph_kernel=False, device_target="GPU")
net_beta = NetSigmoid()
result_close_gk = net_beta(x)
diff = result_open_gk.asnumpy() - result_close_gk.asnumpy()
assert np.all(abs(diff) < error)
@pytest.mark.level0
@pytest.mark.platform_x86_gpu_training
@pytest.mark.env_onecard
def test_sigmoid_grad():
y = Tensor(np.array([[[[-1, 1, 2],
[1, -1, 1],
[2, 1, -1]]]]).astype(np.float32))
dy = Tensor(np.array([[[[-11, 2, 4],
[-1, 1, -1],
[-4, 4, -4]]]]).astype(np.float32))
error = np.ones(shape=[1, 1, 3, 3]) * 1.0e-6
context.set_context(mode=context.GRAPH_MODE,
enable_graph_kernel=True, device_target="GPU")
net = NetSigmoidGrad()
result_open_gk = net(y, dy)
context.set_context(mode=context.GRAPH_MODE,
enable_graph_kernel=False, device_target="GPU")
net_beta = NetSigmoidGrad()
result_close_gk = net_beta(y, dy)
diff = result_open_gk.asnumpy() - result_close_gk.asnumpy()
assert np.all(abs(diff) < error)