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2026-07-13 12:40:42 +08:00

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# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
#
# 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 unittest
import numpy as np
from op_test import check_out_dtype, get_device_place, is_custom_device
import paddle
import paddle.nn.functional as F
from paddle import base
from paddle.base import core
def adaptive_start_index(index, input_size, output_size):
return int(np.floor(index * input_size / output_size))
def adaptive_end_index(index, input_size, output_size):
return int(np.ceil((index + 1) * input_size / output_size))
def adaptive_pool3d_forward(
x, output_size, adaptive=True, data_format='NCDHW', pool_type='max'
):
N = x.shape[0]
C, D, H, W = (
[x.shape[1], x.shape[2], x.shape[3], x.shape[4]]
if data_format == 'NCDHW'
else [x.shape[4], x.shape[1], x.shape[2], x.shape[3]]
)
if isinstance(output_size, int) or output_size is None:
H_out = output_size
W_out = output_size
D_out = output_size
output_size = [D_out, H_out, W_out]
else:
D_out, H_out, W_out = output_size
if output_size[0] is None:
output_size[0] = D
D_out = D
if output_size[1] is None:
output_size[1] = H
H_out = H
if output_size[2] is None:
output_size[2] = W
W_out = W
out = (
np.zeros((N, C, D_out, H_out, W_out))
if data_format == 'NCDHW'
else np.zeros((N, D_out, H_out, W_out, C))
)
if x.size == 0:
return out
for k in range(D_out):
d_start = adaptive_start_index(k, D, output_size[0])
d_end = adaptive_end_index(k, D, output_size[0])
for i in range(H_out):
h_start = adaptive_start_index(i, H, output_size[1])
h_end = adaptive_end_index(i, H, output_size[1])
for j in range(W_out):
w_start = adaptive_start_index(j, W, output_size[2])
w_end = adaptive_end_index(j, W, output_size[2])
if data_format == 'NCDHW':
x_masked = x[
:, :, d_start:d_end, h_start:h_end, w_start:w_end
]
if pool_type == 'avg':
field_size = (
(d_end - d_start)
* (h_end - h_start)
* (w_end - w_start)
)
out[:, :, k, i, j] = (
np.sum(x_masked, axis=(2, 3, 4)) / field_size
)
elif pool_type == 'max':
out[:, :, k, i, j] = np.max(x_masked, axis=(2, 3, 4))
elif data_format == 'NDHWC':
x_masked = x[
:, d_start:d_end, h_start:h_end, w_start:w_end, :
]
if pool_type == 'avg':
field_size = (
(d_end - d_start)
* (h_end - h_start)
* (w_end - w_start)
)
out[:, k, i, j, :] = (
np.sum(x_masked, axis=(1, 2, 3)) / field_size
)
elif pool_type == 'max':
out[:, k, i, j, :] = np.max(x_masked, axis=(1, 2, 3))
return out
class TestAdaptiveMaxPool3DAPI(unittest.TestCase):
def setUp(self):
self.x_np = np.random.random([2, 3, 5, 7, 7]).astype("float32")
self.res_1_np = adaptive_pool3d_forward(
x=self.x_np, output_size=[3, 3, 3], pool_type="max"
)
self.res_2_np = adaptive_pool3d_forward(
x=self.x_np, output_size=5, pool_type="max"
)
self.res_3_np = adaptive_pool3d_forward(
x=self.x_np, output_size=[2, 3, 5], pool_type="max"
)
self.res_4_np = adaptive_pool3d_forward(
x=self.x_np,
output_size=[3, 3, 3],
pool_type="max",
data_format="NDHWC",
)
self.res_5_np = adaptive_pool3d_forward(
x=self.x_np, output_size=[None, 3, None], pool_type="max"
)
def test_static_graph(self):
for use_cuda in (
[False, True]
if (core.is_compiled_with_cuda() or is_custom_device())
else [False]
):
place = get_device_place() if use_cuda else paddle.CPUPlace()
paddle.enable_static()
x = paddle.static.data(
name="x", shape=[2, 3, 5, 7, 7], dtype="float32"
)
out_1 = paddle.nn.functional.adaptive_max_pool3d(
x=x, output_size=[3, 3, 3]
)
out_2 = paddle.nn.functional.adaptive_max_pool3d(x=x, output_size=5)
out_3 = paddle.nn.functional.adaptive_max_pool3d(
x=x, output_size=[2, 3, 5]
)
# out_4 = paddle.nn.functional.adaptive_max_pool3d(
# x=x, output_size=[3, 3, 3], data_format="NDHWC")
out_5 = paddle.nn.functional.adaptive_max_pool3d(
x=x, output_size=[None, 3, None]
)
exe = paddle.static.Executor(place=place)
[res_1, res_2, res_3, res_5] = exe.run(
base.default_main_program(),
feed={"x": self.x_np},
fetch_list=[out_1, out_2, out_3, out_5],
)
np.testing.assert_allclose(res_1, self.res_1_np)
np.testing.assert_allclose(res_2, self.res_2_np)
np.testing.assert_allclose(res_3, self.res_3_np)
# np.testing.assert_allclose(res_4, self.res_4_np)
np.testing.assert_allclose(res_5, self.res_5_np)
def test_dynamic_graph(self):
for use_cuda in (
[False, True]
if (core.is_compiled_with_cuda() or is_custom_device())
else [False]
):
place = get_device_place() if use_cuda else paddle.CPUPlace()
paddle.disable_static(place=place)
x = paddle.to_tensor(self.x_np)
out_1 = paddle.nn.functional.adaptive_max_pool3d(
x=x, output_size=[3, 3, 3]
)
out_2 = paddle.nn.functional.adaptive_max_pool3d(x=x, output_size=5)
out_3 = paddle.nn.functional.adaptive_max_pool3d(
x=x, output_size=[2, 3, 5]
)
# out_4 = paddle.nn.functional.adaptive_max_pool3d(
# x=x, output_size=[3, 3, 3], data_format="NDHWC")
out_5 = paddle.nn.functional.adaptive_max_pool3d(
x=x, output_size=[None, 3, None]
)
# test @param_two_alias(["x", "input"], ["return_mask", "return_indices"])
out_6 = paddle.nn.functional.adaptive_max_pool3d(
input=x, output_size=[None, 3, None], return_indices=False
)
np.testing.assert_allclose(out_1.numpy(), self.res_1_np)
np.testing.assert_allclose(out_2.numpy(), self.res_2_np)
np.testing.assert_allclose(out_3.numpy(), self.res_3_np)
# np.testing.assert_allclose(out_4.numpy(), self.res_4_np)
np.testing.assert_allclose(out_5.numpy(), self.res_5_np)
np.testing.assert_allclose(out_6.numpy(), self.res_5_np)
class TestAdaptiveMaxPool3DClassAPI(unittest.TestCase):
def setUp(self):
self.x_np = np.random.random([2, 3, 5, 7, 7]).astype("float32")
self.res_1_np = adaptive_pool3d_forward(
x=self.x_np, output_size=[3, 3, 3], pool_type="max"
)
self.res_2_np = adaptive_pool3d_forward(
x=self.x_np, output_size=5, pool_type="max"
)
self.res_3_np = adaptive_pool3d_forward(
x=self.x_np, output_size=[2, 3, 5], pool_type="max"
)
# self.res_4_np = adaptive_pool3d_forward(
# x=self.x_np,
# output_size=[3, 3, 3],
# pool_type="max",
# data_format="NDHWC")
self.res_5_np = adaptive_pool3d_forward(
x=self.x_np, output_size=[None, 3, None], pool_type="max"
)
def test_static_graph(self):
for use_cuda in (
[False, True]
if (core.is_compiled_with_cuda() or is_custom_device())
else [False]
):
place = get_device_place() if use_cuda else paddle.CPUPlace()
paddle.enable_static()
x = paddle.static.data(
name="x", shape=[2, 3, 5, 7, 7], dtype="float32"
)
adaptive_max_pool = paddle.nn.AdaptiveMaxPool3D(
output_size=[3, 3, 3]
)
out_1 = adaptive_max_pool(x=x)
adaptive_max_pool = paddle.nn.AdaptiveMaxPool3D(output_size=5)
out_2 = adaptive_max_pool(x=x)
adaptive_max_pool = paddle.nn.AdaptiveMaxPool3D(
output_size=[2, 3, 5]
)
out_3 = adaptive_max_pool(x=x)
# adaptive_max_pool = paddle.nn.AdaptiveMaxPool3D(
# output_size=[3, 3, 3], data_format="NDHWC")
# out_4 = adaptive_max_pool(x=x)
adaptive_max_pool = paddle.nn.AdaptiveMaxPool3D(
output_size=[None, 3, None]
)
out_5 = adaptive_max_pool(x=x)
exe = paddle.static.Executor(place=place)
[res_1, res_2, res_3, res_5] = exe.run(
base.default_main_program(),
feed={"x": self.x_np},
fetch_list=[out_1, out_2, out_3, out_5],
)
np.testing.assert_allclose(res_1, self.res_1_np)
np.testing.assert_allclose(res_2, self.res_2_np)
np.testing.assert_allclose(res_3, self.res_3_np)
# assert np.allclose(res_4, self.res_4_np)
np.testing.assert_allclose(res_5, self.res_5_np)
def test_dynamic_graph(self):
for use_cuda in (
[False, True]
if (core.is_compiled_with_cuda() or is_custom_device())
else [False]
):
place = get_device_place() if use_cuda else paddle.CPUPlace()
paddle.disable_static(place=place)
x = paddle.to_tensor(self.x_np)
adaptive_max_pool = paddle.nn.AdaptiveMaxPool3D(
output_size=[3, 3, 3]
)
out_1 = adaptive_max_pool(x=x)
adaptive_max_pool = paddle.nn.AdaptiveMaxPool3D(output_size=5)
out_2 = adaptive_max_pool(x=x)
adaptive_max_pool = paddle.nn.AdaptiveMaxPool3D(
output_size=[2, 3, 5]
)
out_3 = adaptive_max_pool(x=x)
# adaptive_max_pool = paddle.nn.AdaptiveMaxPool3D(
# output_size=[3, 3, 3], data_format="NDHWC")
# out_4 = adaptive_max_pool(x=x)
adaptive_max_pool = paddle.nn.AdaptiveMaxPool3D(
output_size=[None, 3, None]
)
out_5 = adaptive_max_pool(x=x)
adaptive_max_pool = paddle.nn.AdaptiveMaxPool3d(
output_size=[3, 3, 3],
return_indices=True,
)
self.assertEqual(adaptive_max_pool.return_indices, True)
adaptive_max_pool.return_indices = False
out_6 = adaptive_max_pool(input=x)
np.testing.assert_allclose(out_1.numpy(), self.res_1_np)
np.testing.assert_allclose(out_2.numpy(), self.res_2_np)
np.testing.assert_allclose(out_3.numpy(), self.res_3_np)
# assert np.allclose(out_4.numpy(), self.res_4_np)
np.testing.assert_allclose(out_5.numpy(), self.res_5_np)
np.testing.assert_allclose(out_6.numpy(), self.res_1_np)
class TestOutDtype(unittest.TestCase):
def test_max_pool(self):
api_fn = F.adaptive_max_pool3d
shape = [1, 3, 32, 32, 32]
check_out_dtype(
api_fn,
in_specs=[(shape,)],
expect_dtypes=['float32', 'float64'],
output_size=16,
)
class TestAdaptiveMaxPool3D_ZeroSize(unittest.TestCase):
def setUp(self):
self.x_np = np.random.random([0, 3, 5, 7, 7]).astype("float32")
self.res_1_np = adaptive_pool3d_forward(
x=self.x_np, output_size=[3, 3, 3], pool_type="max"
)
def test_static_graph(self):
for use_cuda in (
[False, True]
if (core.is_compiled_with_cuda() or is_custom_device())
else [False]
):
place = get_device_place() if use_cuda else paddle.CPUPlace()
paddle.enable_static()
x = paddle.static.data(
name="x", shape=[0, 3, 5, 7, 7], dtype="float32"
)
out_1 = paddle.nn.functional.adaptive_max_pool3d(
x=x, output_size=[3, 3, 3]
)
exe = paddle.static.Executor(place=place)
[
res_1,
] = exe.run(
base.default_main_program(),
feed={"x": self.x_np},
fetch_list=[
out_1,
],
)
np.testing.assert_allclose(res_1, self.res_1_np)
def test_dynamic_graph(self):
for use_cuda in (
[False, True]
if (core.is_compiled_with_cuda() or is_custom_device())
else [False]
):
place = get_device_place() if use_cuda else paddle.CPUPlace()
paddle.disable_static(place=place)
x = paddle.to_tensor(self.x_np)
out_1 = paddle.nn.functional.adaptive_max_pool3d(
x=x, output_size=[3, 3, 3]
)
np.testing.assert_allclose(out_1.numpy(), self.res_1_np)
def test_grad(self):
for use_cuda in (
[False, True]
if (core.is_compiled_with_cuda() or is_custom_device())
else [False]
):
place = get_device_place() if use_cuda else paddle.CPUPlace()
paddle.disable_static(place=place)
x = paddle.to_tensor(self.x_np)
x.stop_gradient = False
out_1 = paddle.nn.functional.adaptive_max_pool3d(
x=x, output_size=[3, 3, 3]
)
loss = paddle.sum(out_1)
loss.backward()
np.testing.assert_allclose(x.grad.shape, x.shape)
if __name__ == '__main__':
unittest.main()