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

96 lines
3.3 KiB
Python

# Copyright 2020-2021 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
from mindspore.common.tensor import Tensor
from mindspore.ops import operations as P
@pytest.mark.level0
@pytest.mark.platform_x86_gpu_training
@pytest.mark.env_onecard
def test_broadcast():
context.set_context(mode=context.GRAPH_MODE, device_target='GPU')
shape = (3, 4, 5, 6)
x_np = np.random.rand(3, 1, 5, 1).astype(np.float32)
output = P.BroadcastTo(shape)(Tensor(x_np))
expect = np.broadcast_to(x_np, shape)
assert np.allclose(output.asnumpy(), expect)
x1_np = np.random.rand(3, 1, 5, 1).astype(np.float16)
output = P.BroadcastTo(shape)(Tensor(x1_np))
expect = np.broadcast_to(x1_np, shape)
assert np.allclose(output.asnumpy(), expect)
shape = (2, 3, 4, 5)
x1_np = np.random.rand(4, 5).astype(np.float32)
output = P.BroadcastTo(shape)(Tensor(x1_np))
expect = np.broadcast_to(x1_np, shape)
assert np.allclose(output.asnumpy(), expect)
@pytest.mark.level0
@pytest.mark.platform_x86_gpu_training
@pytest.mark.env_onecard
def test_broadcast_dyn_init():
"""
Test running the op with -1's in the init shape to support varied inputs.
"""
context.set_context(mode=context.GRAPH_MODE, device_target='GPU')
ms_shape = (-1, -1, 5, 6)
np_shape = (3, 4, 5, 6)
x_np = np.random.rand(3, 1, 5, 1).astype(np.float32)
output = P.BroadcastTo(ms_shape)(Tensor(x_np))
expect = np.broadcast_to(x_np, np_shape)
assert np.allclose(output.asnumpy(), expect)
x1_np = np.random.rand(3, 1, 5, 1).astype(np.float16)
output = P.BroadcastTo(ms_shape)(Tensor(x1_np))
expect = np.broadcast_to(x1_np, np_shape)
assert np.allclose(output.asnumpy(), expect)
ms_shape = (2, 3, -1, -1)
np_shape = (2, 3, 4, 5)
x1_np = np.random.rand(4, 5).astype(np.float32)
output = P.BroadcastTo(ms_shape)(Tensor(x1_np))
expect = np.broadcast_to(x1_np, np_shape)
assert np.allclose(output.asnumpy(), expect)
@pytest.mark.level0
@pytest.mark.platform_x86_gpu_training
@pytest.mark.env_onecard
def test_broadcast_dyn_invalid_init():
"""
Test running the op with -1's in the init shape in incorrect positions.
Expected to fail.
"""
context.set_context(mode=context.GRAPH_MODE, device_target='GPU')
ms_shape = (2, -1, 4, 5)
x_np = np.random.rand(4, 5).astype(np.float32)
with pytest.raises(ValueError):
P.BroadcastTo(ms_shape)(Tensor(x_np))
context.set_context(mode=context.GRAPH_MODE, device_target='GPU')
ms_shape = (-1, 1, -1, -1)
x_np = np.random.rand(4, 5).astype(np.float32)
with pytest.raises(ValueError):
P.BroadcastTo(ms_shape)(Tensor(x_np))