mindspore/tests/st/ops/gpu/test_roll_op.py

73 lines
2.3 KiB
Python

# Copyright 2022 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.ops import composite as C
from mindspore import Tensor
context.set_context(mode=context.GRAPH_MODE, device_target="GPU")
class Roll(nn.Cell):
def __init__(self, shift, axis):
super(Roll, self).__init__()
self.shift = shift
self.axis = axis
self.roll = nn.Roll(self.shift, self.axis)
def construct(self, x):
return self.roll(x)
class RollGrad(nn.Cell):
def __init__(self, network):
super(RollGrad, self).__init__()
self.grad = C.GradOperation(get_all=True, sens_param=True)
self.network = network
def construct(self, input_data, grad_np):
gout = self.grad(self.network)(input_data, grad_np)
return gout
@pytest.mark.level1
@pytest.mark.platform_x86_gpu_training
@pytest.mark.env_onecard
def test_roll_1d():
"""
Feature: RightShift gpu TEST.
Description: 1d test case for RightShift
Expectation: the result match to numpy
"""
x_np = np.array([-1, -5, -3, -14, 64]).astype(np.int8)
x_grad_np = np.array([-1, -5, -3, -14, 64]).astype(np.int8)
except_output = np.array([-5, -3, -14, 64, -1]).astype(np.int8)
shift = 4
axis = 0
x_ms = Tensor(x_np)
net = Roll(shift, axis)
grad_net = RollGrad(net)
output_grad_ms = grad_net(Tensor(x_np), Tensor(x_grad_np))
except_grad_output = np.array([64, -1, -5, -3, -14]).astype(np.int8)
output_ms = net(x_ms)
assert np.allclose(except_output, output_ms.asnumpy())
assert np.allclose(except_grad_output, output_grad_ms[0].asnumpy())