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

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Python

# Copyright (c) 2023 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 utils import compare_legacy_with_pt
import paddle
data_5d = [
[[2, 3, 4, 5, 6], [0, 1, 2, 4], [0, 1, 2, -4], [3, 3, 4, -2]],
]
data_4d = [
[[2, 3, 4, 5], [0, 1, 2, 3], [0, 1, 2, -4], [3, 3, 4, -2]],
]
data_3d = [
[[4, 4, 5], [-3, -2, -1], [1, -3, 2], [3, 3, 4]],
[[4, 4, 5], [0, 1, 2], [0, 1, 2], [3, 3, 4]],
[[4, 4, 5], [-1], [0], [2]],
[[4, 4, 5], [0], [1], [2]],
[[4, 4, 5], [1], [2], [3]],
[[4, 4, 5], [1, 2], [2, 2], [3, 4]],
[[4, 4, 5], [0, 2], [2, 2], [3, 4]],
]
data_2d = [
[[3, 4], [0], [0], [2]],
[[3, 4], [1], [-3], [2]],
[[3, 4], [-2, -1], [-3, 0], [2, -1]],
[[78, 78], [0, -1], [32, 58], [-2, -1]],
]
devices = ['cpu']
if paddle.device.get_device() != "cpu":
devices.append(paddle.device.get_device())
class TestSparseSlice(unittest.TestCase):
"""
Test the API paddle.sparse.slice on some sparse tensors.
x: sparse, out: sparse
"""
def _check_result(self, np_x, axes, starts, ends, format='coo'):
for device in devices:
paddle.device.set_device(device)
self._check_result_with_place(np_x, axes, starts, ends, format)
def _check_result_with_place(self, np_x, axes, starts, ends, format='coo'):
x_shape = np_x.shape
dense_x = paddle.to_tensor(np_x)
dense_x.stop_gradient = False
dense_out = paddle.slice(dense_x, axes, starts, ends)
if format == 'coo':
sp_x = paddle.to_tensor(np_x).to_sparse_coo(len(x_shape))
else:
sp_x = paddle.to_tensor(np_x).to_sparse_csr()
sp_x.stop_gradient = False
sp_out = paddle.sparse.slice(sp_x, axes, starts, ends)
np.testing.assert_allclose(
sp_out.to_dense().numpy(), dense_out.numpy(), rtol=1e-5
)
dense_out.backward()
sp_out.backward()
np.testing.assert_allclose(
sp_x.grad.to_dense().numpy(),
dense_x.grad.numpy() * np_x.astype('bool').astype('int'),
rtol=1e-5,
)
def check_result_with_shape(
self, x_shape, axes, starts, ends, format='coo'
):
mask = np.random.randint(0, 2, x_shape)
np_x = np.random.randint(-100, 100, x_shape) * mask
self._check_result(np_x, axes, starts, ends, format)
def check_result_with_list(self, x, axes, starts, ends, format='coo'):
np_x = np.array(x)
self._check_result(np_x, axes, starts, ends, format)
def test_coo_5d(self):
for item in data_5d:
self.check_result_with_shape(*item, format='coo')
def test_coo_4d(self):
for item in data_4d:
self.check_result_with_shape(*item, format='coo')
def test_coo_3d(self):
for item in data_3d:
self.check_result_with_shape(*item, format='coo')
def test_coo_2d(self):
x = [[1, 2, 3, 4], [0, 1, 2, 0]]
self.check_result_with_list(x, [0, 1], [0, 1], [2, 3], format='coo')
for item in data_2d:
self.check_result_with_shape(*item, format='coo')
def test_coo_1d(self):
x = [-49, 55, -5, 0, 3, 0, 0, -60, -21, 0, 0, 0]
self.check_result_with_list(x, [0], [3], [5], format='coo')
def test_coo_1d_zero(self):
x = [-49, 55, -5, 0, 3, 0, 0, -60, -21, 0, 0, 0]
self.check_result_with_list(x, [0], [-3], [-1], format='coo')
def test_csr_3d(self):
for item in data_3d:
self.check_result_with_shape(*item, format='csr')
def test_csr_3d_zero(self):
x = [[[0, 0, 1, 2], [0, 0, 0, 2]]]
self.check_result_with_list(x, [1, 2], [0, 0], [2, 2], format='csr')
def test_csr_2d(self):
for item in data_2d:
self.check_result_with_shape(*item, format='csr')
def test_csr_2d_zero(self):
x = [[0, 0, 1, 2], [0, 0, 0, 1]]
self.check_result_with_list(x, [0, 1], [0, 0], [2, 2], format='csr')
class TestSparseCooSliceStatic(unittest.TestCase):
def _check_result_coo(self, np_x, axes, starts, ends):
for device in devices:
paddle.device.set_device(device)
self._check_result_coo_with_place(np_x, axes, starts, ends)
def _check_result_coo_with_place(self, np_x, axes, starts, ends):
x_shape = np_x.shape
dense_x = paddle.to_tensor(np_x)
dense_x.stop_gradient = False
dense_out = paddle.slice(dense_x, axes, starts, ends)
sp_x = paddle.to_tensor(
np_x,
).to_sparse_coo(len(x_shape))
indices_data = sp_x.detach().indices()
values_data = sp_x.detach().values()
paddle.enable_static()
mp = paddle.static.Program()
sp = paddle.static.Program()
with paddle.static.program_guard(mp, sp):
indices = paddle.static.data(
name='indices',
shape=indices_data.shape,
dtype=indices_data.dtype,
)
values = paddle.static.data(
name='values',
shape=values_data.shape,
dtype=values_data.dtype,
)
sp_x = paddle.sparse.sparse_coo_tensor(
indices,
values,
shape=dense_x.shape,
dtype=dense_x.dtype,
)
sp_out = paddle.sparse.slice(sp_x, axes, starts, ends)
sp_dense_out = sp_out.to_dense()
exe = paddle.static.Executor()
res = exe.run(
feed={
'indices': indices_data.numpy(),
'values': values_data.numpy(),
},
fetch_list=[sp_dense_out],
return_numpy=True,
)
np.testing.assert_allclose(
dense_out.numpy(),
res[0],
rtol=1e-5,
)
paddle.disable_static()
def check_result_with_shape(
self, x_shape, axes, starts, ends, format='coo'
):
mask = np.random.randint(0, 2, x_shape)
np_x = np.random.randint(-100, 100, x_shape) * mask
if format == 'coo':
self._check_result_coo(np_x, axes, starts, ends)
def check_result_with_list(self, x, axes, starts, ends, format='coo'):
np_x = np.array(x)
if format == 'coo':
self._check_result_coo(np_x, axes, starts, ends)
@compare_legacy_with_pt
def test_coo_5d(self):
for item in data_5d:
self.check_result_with_shape(*item, format='coo')
@compare_legacy_with_pt
def test_coo_4d(self):
for item in data_4d:
self.check_result_with_shape(*item, format='coo')
@compare_legacy_with_pt
def test_coo_3d(self):
for item in data_3d:
self.check_result_with_shape(*item, format='coo')
@compare_legacy_with_pt
def test_coo_2d(self):
for item in data_2d:
self.check_result_with_shape(*item, format='coo')
@compare_legacy_with_pt
def test_coo_1d(self):
x = [-49, 55, -5, 0, 3, 0, 0, -60, -21, 0, 0, 0]
self.check_result_with_list(x, [0], [3], [5], format='coo')
@compare_legacy_with_pt
def test_coo_1d_zero(self):
x = [-49, 55, -5, 0, 3, 0, 0, -60, -21, 0, 0, 0]
self.check_result_with_list(x, [0], [-3], [-1], format='coo')
if __name__ == "__main__":
unittest.main()