mindspore/tests/st/control/test_partial_eliminate.py

55 lines
1.7 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.
# ============================================================================
""" test_partial_eliminate """
from mindspore.nn import Cell
from mindspore.common import Tensor, dtype, Parameter
import mindspore.ops.functional as F
import numpy as np
import pytest
class Net(Cell):
def __init__(self):
super().__init__()
self.w = Parameter(Tensor([(- 1)], dtype.float32), name='w')
self.b = Parameter(Tensor([(- 1)], dtype.float32), name='b')
def construct(self, x, y):
for s in range(2):
if s > y:
self.b = x + y
elif self.b <= 2:
return self.w
else:
return y
return x + y
@pytest.mark.level0
@pytest.mark.platform_x86_gpu_training
@pytest.mark.env_onecard
def test_switch_partial_eliminate():
"""
Feature: control flow
Description: Eliminate partial node of pass: SwitchPartialEliminater
Expectation: No exception.
"""
x = np.array([3], np.float32)
y = np.array([1], np.float32)
net1 = Net()
grad_net = F.grad(net1, grad_position=(0, 1))
grad_net(Tensor(x), Tensor(y))