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

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Python

# Copyright (c) 2018 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 gradient_checker
import numpy as np
from decorator_helper import prog_scope
from op_test import (
OpTest,
convert_float_to_uint16,
get_device_place,
get_places,
is_custom_device,
skip_check_grad_ci,
)
import paddle
import paddle.distributed as dist
from paddle import base
from paddle.pir_utils import IrGuard
class TestConcatOp(OpTest):
def setUp(self):
self.op_type = "concat"
self.python_api = paddle.concat
self.public_python_api = paddle.concat
self.prim_op_type = "prim"
self.dtype = self.get_dtype()
self.init_test_data()
self.if_enable_cinn()
self.inputs = {'X': [('x0', self.x0), ('x1', self.x1), ('x2', self.x2)]}
self.attrs = {'axis': self.axis}
if self.axis < 0:
self.actual_axis = self.axis + len(self.x0.shape)
self.actual_axis = max(0, self.actual_axis)
else:
self.actual_axis = self.axis
self.outputs = {
'Out': np.concatenate(
(self.x0, self.x1, self.x2), axis=self.actual_axis
)
}
def get_dtype(self):
return "float64"
def test_check_output(self):
if self.dtype == np.uint16:
place = get_device_place()
self.check_output_with_place(place, check_pir=True)
else:
self.check_output(check_pir=True)
def test_check_grad(self):
if self.dtype == np.uint16:
place = get_device_place()
self.check_grad_with_place(
place,
['x0'],
'Out',
check_prim=True,
check_pir=True,
check_prim_pir=True,
)
self.check_grad_with_place(
place,
['x1'],
'Out',
check_prim=True,
check_pir=True,
check_prim_pir=True,
)
self.check_grad_with_place(
place,
['x2'],
'Out',
check_prim=True,
check_pir=True,
check_prim_pir=True,
)
else:
self.check_grad(
['x0'],
'Out',
check_prim=True,
check_pir=True,
check_prim_pir=True,
)
self.check_grad(
['x1'],
'Out',
check_prim=True,
check_pir=True,
check_prim_pir=True,
)
self.check_grad(
['x2'],
'Out',
check_prim=True,
check_pir=True,
check_prim_pir=True,
)
def init_test_data(self):
if self.dtype == np.uint16:
x0 = np.random.random((5, 1, 4, 5)).astype(np.float32)
self.x0 = convert_float_to_uint16(x0)
x1 = np.random.random((5, 2, 4, 5)).astype(np.float32)
self.x1 = convert_float_to_uint16(x1)
x2 = np.random.random((5, 3, 4, 5)).astype(np.float32)
self.x2 = convert_float_to_uint16(x2)
else:
self.x0 = np.random.random((5, 1, 4, 5)).astype(self.dtype)
self.x1 = np.random.random((5, 2, 4, 5)).astype(self.dtype)
self.x2 = np.random.random((5, 3, 4, 5)).astype(self.dtype)
self.axis = 1
def if_enable_cinn(self):
pass
class TestConcatOp2(TestConcatOp):
def init_test_data(self):
self.x0 = np.random.random((2, 3, 4, 5)).astype(self.dtype)
self.x1 = np.random.random((2, 3, 4, 5)).astype(self.dtype)
self.x2 = np.random.random((2, 3, 4, 5)).astype(self.dtype)
self.axis = 1
@skip_check_grad_ci(
reason="The function 'check_grad' for large inputs is too slow."
)
class TestConcatOp3(TestConcatOp):
def init_test_data(self):
self.x0 = np.random.random((1, 256, 170, 256)).astype(self.dtype)
self.x1 = np.random.random((1, 128, 170, 256)).astype(self.dtype)
self.x2 = np.random.random((1, 128, 170, 256)).astype(self.dtype)
self.axis = 1
def test_check_grad(self):
pass
@skip_check_grad_ci(
reason="This test will meet fetch error when there is a null grad. The detailed information is in PR#17015."
)
class TestConcatOp4(TestConcatOp):
def init_test_data(self):
self.x0 = np.random.random((2, 3, 4, 5)).astype(self.dtype)
self.x1 = np.random.random((2, 3, 4, 5)).astype(self.dtype)
self.x2 = np.random.random((0, 3, 4, 5)).astype(self.dtype)
self.axis = 0
def test_check_grad(self):
pass
class TestConcatOp5(TestConcatOp):
def init_test_data(self):
self.x0 = np.random.random((5, 1, 4, 5)).astype(self.dtype)
self.x1 = np.random.random((5, 2, 4, 5)).astype(self.dtype)
self.x2 = np.random.random((5, 3, 4, 5)).astype(self.dtype)
self.axis = -3
class TestConcatOp6(TestConcatOp):
def setUp(self):
self.op_type = "concat"
self.dtype = self.get_dtype()
self.python_api = paddle.concat
self.public_python_api = paddle.concat
self.init_test_data()
self.if_enable_cinn()
self.lod = [[20, 80]]
self.out_lod = [[20, 80, 20, 80, 20, 80]]
self.inputs = {
'X': [
('x0', (self.x0, self.lod)),
('x1', (self.x1, self.lod)),
('x2', (self.x2, self.lod)),
]
}
self.attrs = {'axis': self.axis}
if self.axis < 0:
self.actual_axis = self.axis + len(self.x0.shape)
self.actual_axis = max(0, self.actual_axis)
else:
self.actual_axis = self.axis
out = np.concatenate((self.x0, self.x1, self.x2), axis=self.actual_axis)
self.outputs = {'Out': (out, self.out_lod)}
def if_enable_cinn(self):
pass
def test_check_output(self):
self.check_output(check_pir=False)
def test_check_grad(self):
self.check_grad(['x0'], 'Out', check_pir=False)
self.check_grad(['x1'], 'Out', check_pir=False)
self.check_grad(['x2'], 'Out', check_pir=False)
def init_test_data(self):
self.x0 = np.random.random([100]).astype(self.dtype)
self.x1 = np.random.random([100]).astype(self.dtype)
self.x2 = np.random.random([100]).astype(self.dtype)
self.axis = 0
class TestConcatOp7(TestConcatOp):
def setUp(self):
self.op_type = "concat"
self.python_api = paddle.concat
self.public_python_api = paddle.concat
self.prim_op_type = "prim"
self.if_enable_cinn()
self.dtype = self.get_dtype()
self.init_test_data()
self.inputs = {'X': [('x0', self.x0), ('x1', self.x1), ('x2', self.x2)]}
self.attrs = {'axis': self.axis}
if self.axis < 0:
self.actual_axis = self.axis + len(self.x0.shape)
self.actual_axis = max(0, self.actual_axis)
else:
self.actual_axis = self.axis
self.outputs = {
'Out': np.concatenate(
(self.x0, self.x1, self.x2), axis=self.actual_axis
)
}
def if_enable_cinn(self):
pass
def get_dtype(self):
return "float64"
def test_check_output(self):
self.check_output(check_pir=True)
def test_check_grad(self):
self.check_grad(
['x0'],
'Out',
check_prim=True,
check_pir=True,
check_prim_pir=True,
)
self.check_grad(
['x1'],
'Out',
check_prim=True,
check_pir=True,
check_prim_pir=True,
)
self.check_grad(
['x2'],
'Out',
check_prim=True,
check_pir=True,
check_prim_pir=True,
)
def init_test_data(self):
if self.dtype == np.uint16:
x0 = np.random.random((5, 1, 4, 5)).astype(np.float32)
self.x0 = convert_float_to_uint16(x0)
x1 = np.random.random((5, 2, 4, 5)).astype(np.float32)
self.x1 = convert_float_to_uint16(x1)
x2 = np.random.random((5, 3, 4, 5)).astype(np.float32)
self.x2 = convert_float_to_uint16(x2)
else:
self.x0 = np.random.random((5, 1, 4, 5)).astype(self.dtype)
self.x1 = np.random.random((5, 2, 4, 5)).astype(self.dtype)
self.x2 = np.random.random((5, 3, 4, 5)).astype(self.dtype)
self.axis = 1
class TestConcatOp0Size(TestConcatOp):
def setUp(self):
self.op_type = "concat"
self.python_api = paddle.concat
self.public_python_api = paddle.concat
self.prim_op_type = "prim"
self.if_enable_cinn()
self.dtype = self.get_dtype()
self.init_test_data()
self.inputs = {'X': [('x0', self.x0), ('x1', self.x1), ('x2', self.x2)]}
self.attrs = {'axis': self.axis}
if self.axis < 0:
self.actual_axis = self.axis + len(self.x0.shape)
self.actual_axis = max(0, self.actual_axis)
else:
self.actual_axis = self.axis
self.outputs = {
'Out': np.concatenate(
(self.x0, self.x1, self.x2), axis=self.actual_axis
)
}
def if_enable_cinn(self):
pass
def get_dtype(self):
return "float64"
def test_check_output(self):
self.check_output(check_pir=True)
def test_check_grad(self):
self.check_grad(
['x0'],
'Out',
check_prim=True,
check_pir=True,
check_prim_pir=True,
)
self.check_grad(
['x1'],
'Out',
check_prim=True,
check_pir=True,
check_prim_pir=True,
)
self.check_grad(
['x2'],
'Out',
check_prim=True,
check_pir=True,
check_prim_pir=True,
)
def init_test_data(self):
if self.dtype == np.uint16:
x0 = np.random.random((5, 1, 4, 5)).astype(np.float32)
self.x0 = convert_float_to_uint16(x0)
x1 = np.random.random((5, 0, 4, 5)).astype(np.float32)
self.x1 = convert_float_to_uint16(x1)
x2 = np.random.random((5, 3, 4, 5)).astype(np.float32)
self.x2 = convert_float_to_uint16(x2)
else:
self.x0 = np.random.random((5, 1, 4, 5)).astype(self.dtype)
self.x1 = np.random.random((5, 0, 4, 5)).astype(self.dtype)
self.x2 = np.random.random((5, 3, 4, 5)).astype(self.dtype)
self.axis = 1
def create_test_AxisTensor(parent):
class TestConcatAxisTensor(parent):
def setUp(self):
self.op_type = "concat"
self.python_api = paddle.concat
self.public_python_api = paddle.concat
self.dtype = self.get_dtype()
self.init_test_data()
self.inputs = {
'X': [('x0', self.x0), ('x1', self.x1), ('x2', self.x2)],
'AxisTensor': np.array([self.axis]).astype("int32"),
}
self.attrs = {}
if self.axis < 0:
self.actual_axis = self.axis + len(self.x0.shape)
self.actual_axis = max(0, self.actual_axis)
else:
self.actual_axis = self.axis
self.outputs = {
'Out': np.concatenate(
(self.x0, self.x1, self.x2), axis=self.actual_axis
)
}
def test_check_output(self):
if self.dtype == np.uint16:
place = get_device_place()
self.check_output_with_place(
place, check_pir=True, check_symbol_infer=False
)
else:
self.check_output(check_pir=True, check_symbol_infer=False)
def test_check_grad(self):
if (
parent.__name__ == 'TestConcatOp4'
or parent.__name__ == 'TestConcatOp3'
):
return
if self.dtype == np.uint16:
place = get_device_place()
self.check_grad_with_place(place, ['x0'], 'Out', check_pir=True)
self.check_grad_with_place(place, ['x1'], 'Out', check_pir=True)
self.check_grad_with_place(place, ['x2'], 'Out', check_pir=True)
else:
self.check_grad(['x0'], 'Out', check_pir=True)
self.check_grad(['x1'], 'Out', check_pir=True)
self.check_grad(['x2'], 'Out', check_pir=True)
cls_name = "{}_{}".format(parent.__name__, "AxisTensor")
TestConcatAxisTensor.__name__ = cls_name
globals()[cls_name] = TestConcatAxisTensor
create_test_AxisTensor(TestConcatOp)
create_test_AxisTensor(TestConcatOp2)
create_test_AxisTensor(TestConcatOp3)
create_test_AxisTensor(TestConcatOp4)
create_test_AxisTensor(TestConcatOp5)
create_test_AxisTensor(TestConcatOp6)
# ----------------Concat Fp16----------------
def create_test_fp16(parent):
class TestConcatFp16(parent):
def setUp(self):
self.op_type = "concat"
self.prim_op_type = "prim"
self.python_api = paddle.concat
self.public_python_api = paddle.concat
self.enable_cinn = False
self.dtype = self.get_dtype()
self.init_test_data()
self.inputs = {
'X': [('x0', self.x0), ('x1', self.x1), ('x2', self.x2)]
}
self.attrs = {'axis': self.axis}
if self.axis < 0:
self.actual_axis = self.axis + len(self.x0.shape)
self.actual_axis = max(0, self.actual_axis)
else:
self.actual_axis = self.axis
self.outputs = {
'Out': np.concatenate(
(self.x0, self.x1, self.x2), axis=self.actual_axis
)
}
def test_check_grad(self):
if (
parent.__name__ == 'TestConcatOp4'
or parent.__name__ == 'TestConcatOp3'
):
return
if self.dtype == np.uint16:
place = get_device_place()
self.check_grad_with_place(
place,
['x0'],
'Out',
check_pir=True,
check_prim=True,
check_prim_pir=True,
)
self.check_grad_with_place(
place,
['x1'],
'Out',
check_pir=True,
check_prim=True,
check_prim_pir=True,
)
self.check_grad_with_place(
place,
['x2'],
'Out',
check_pir=True,
check_prim=True,
check_prim_pir=True,
)
else:
self.check_grad(
['x0'],
'Out',
check_pir=True,
check_prim=True,
check_prim_pir=True,
)
self.check_grad(
['x1'],
'Out',
check_pir=True,
check_prim=True,
check_prim_pir=True,
)
self.check_grad(
['x2'],
'Out',
check_pir=True,
check_prim=True,
check_prim_pir=True,
)
def get_dtype(self):
return np.float16
cls_name = "{}_{}".format(parent.__name__, "Fp16")
TestConcatFp16.__name__ = cls_name
globals()[cls_name] = TestConcatFp16
create_test_fp16(TestConcatOp)
create_test_fp16(TestConcatOp2)
create_test_fp16(TestConcatOp3)
create_test_fp16(TestConcatOp4)
create_test_fp16(TestConcatOp5)
create_test_fp16(TestConcatOp6)
# ----------------Concat Bf16----------------
def create_test_bf16(parent):
@unittest.skipIf(
not (paddle.is_compiled_with_cuda() or is_custom_device()),
"core is not compiled with CUDA",
)
class TestConcatBf16(parent):
def setUp(self):
self.op_type = "concat"
self.prim_op_type = "prim"
self.python_api = paddle.concat
self.public_python_api = paddle.concat
self.enable_cinn = False
self.dtype = self.get_dtype()
self.init_test_data()
self.inputs = {
'X': [('x0', self.x0), ('x1', self.x1), ('x2', self.x2)]
}
self.attrs = {'axis': self.axis}
if self.axis < 0:
self.actual_axis = self.axis + len(self.x0.shape)
self.actual_axis = max(0, self.actual_axis)
else:
self.actual_axis = self.axis
self.outputs = {
'Out': np.concatenate(
(self.x0, self.x1, self.x2), axis=self.actual_axis
)
}
def test_check_grad(self):
if (
parent.__name__ == 'TestConcatOp4'
or parent.__name__ == 'TestConcatOp3'
):
return
if self.dtype == np.uint16:
place = get_device_place()
self.check_grad_with_place(
place,
['x0'],
'Out',
check_pir=True,
check_prim=True,
check_prim_pir=True,
)
self.check_grad_with_place(
place,
['x1'],
'Out',
check_pir=True,
check_prim=True,
check_prim_pir=True,
)
self.check_grad_with_place(
place,
['x2'],
'Out',
check_pir=True,
check_prim=True,
check_prim_pir=True,
)
else:
self.check_grad(
['x0'],
'Out',
check_pir=True,
check_prim=True,
check_prim_pir=True,
)
self.check_grad(
['x1'],
'Out',
check_pir=True,
check_prim=True,
check_prim_pir=True,
)
self.check_grad(
['x2'],
'Out',
check_pir=True,
check_prim=True,
check_prim_pir=True,
)
def get_dtype(self):
return np.uint16
def if_enable_cinn(self):
self.enable_cinn = False
cls_name = "{}_{}".format(parent.__name__, "Bf16")
TestConcatBf16.__name__ = cls_name
globals()[cls_name] = TestConcatBf16
# add all unit test maybe timeout.
create_test_bf16(TestConcatOp)
create_test_bf16(TestConcatOp2)
# create_test_bf16(TestConcatOp3)
create_test_bf16(TestConcatOp4)
# create_test_bf16(TestConcatOp5)
# create_test_bf16(TestConcatOp6)
class TestConcatOpError(unittest.TestCase):
def test_errors(self):
paddle.enable_static()
with paddle.base.program_guard(
paddle.base.Program(), paddle.base.Program()
):
# The input type of concat_op should be list.
x1 = paddle.static.data(shape=[-1, 4], dtype='int32', name='x1')
paddle.concat(x1)
# The item in input must be Variable.
x2 = base.create_lod_tensor(
np.array([[-1]]), [[1]], base.CPUPlace()
)
x3 = base.create_lod_tensor(
np.array([[-1]]), [[1]], base.CPUPlace()
)
self.assertRaises(TypeError, paddle.concat, [x2])
# The input dtype of concat_op must be float16, float32, float64, int32, int64.
x4 = paddle.static.data(shape=[-1, 4], dtype='uint8', name='x4')
x5 = paddle.static.data(shape=[-1, 4], dtype='uint8', name='x5')
self.assertRaises(TypeError, paddle.concat, [x4, x5])
x6 = paddle.static.data(shape=[-1, 4], dtype='float16', name='x6')
x7 = paddle.static.data(shape=[-1, 4], dtype='float16', name='x7')
x8 = paddle.static.data(shape=[-1, 4], dtype='float32', name='x8')
paddle.concat([x6, x7])
# The type of axis in concat_op should be int or Variable.
def test_axis_type():
paddle.concat([x6, x7], 3.2)
self.assertRaises(TypeError, test_axis_type)
def test_input_same_dtype():
paddle.concat([x7, x8])
self.assertRaises(TypeError, test_input_same_dtype)
paddle.disable_static()
class TestConcatAPI(unittest.TestCase):
def test_base_api(self):
paddle.enable_static()
with paddle.base.program_guard(paddle.base.Program()):
x_1 = paddle.static.data(
shape=[None, 1, 4, 5], dtype='int32', name='x_1'
)
paddle.concat([x_1, x_1], 0)
input_2 = np.random.random([2, 1, 4, 5]).astype("int32")
input_3 = np.random.random([2, 2, 4, 5]).astype("int32")
x_2 = paddle.static.data(
shape=[2, 1, 4, 5], dtype='int32', name='x_2'
)
x_3 = paddle.static.data(
shape=[2, 2, 4, 5], dtype='int32', name='x_3'
)
positive_1_int32 = paddle.tensor.fill_constant([1], "int32", 1)
positive_1_int64 = paddle.tensor.fill_constant([1], "int64", 1)
out_1 = paddle.concat([x_2, x_3], axis=1)
out_2 = paddle.concat([x_2, x_3], axis=positive_1_int32)
out_3 = paddle.concat([x_2, x_3], axis=positive_1_int64)
exe = base.Executor(place=base.CPUPlace())
[res_1, res_2, res_3] = exe.run(
paddle.static.default_main_program(),
feed={"x_1": input_2, "x_2": input_2, "x_3": input_3},
fetch_list=[out_1, out_2, out_3],
)
np.testing.assert_array_equal(
res_1, np.concatenate((input_2, input_3), axis=1)
)
np.testing.assert_array_equal(
res_2, np.concatenate((input_2, input_3), axis=1)
)
np.testing.assert_array_equal(
res_3, np.concatenate((input_2, input_3), axis=1)
)
def test_api(self):
paddle.enable_static()
with paddle.base.program_guard(paddle.base.Program()):
x_1 = paddle.static.data(
shape=[None, 1, 4, 5], dtype='int32', name='x_1'
)
paddle.concat([x_1, x_1], 0)
input_2 = np.random.random([2, 1, 4, 5]).astype("int32")
input_3 = np.random.random([2, 2, 4, 5]).astype("int32")
x_2 = paddle.static.data(
shape=[2, 1, 4, 5], dtype='int32', name='x_2'
)
x_3 = paddle.static.data(
shape=[2, 2, 4, 5], dtype='int32', name='x_3'
)
positive_1_int32 = paddle.tensor.fill_constant([1], "int32", 1)
positive_1_int64 = paddle.tensor.fill_constant([1], "int64", 1)
negative_int64 = paddle.tensor.fill_constant([1], "int64", -3)
out_1 = paddle.concat(x=[x_2, x_3], axis=1)
out_2 = paddle.concat(x=[x_2, x_3], axis=positive_1_int32)
out_3 = paddle.concat(x=[x_2, x_3], axis=positive_1_int64)
out_4 = paddle.concat(x=[x_2, x_3], axis=negative_int64)
exe = paddle.static.Executor(place=paddle.CPUPlace())
[res_1, res_2, res_3, res_4] = exe.run(
paddle.static.default_main_program(),
feed={"x_1": input_2, "x_2": input_2, "x_3": input_3},
fetch_list=[out_1, out_2, out_3, out_4],
)
np.testing.assert_array_equal(
res_1, np.concatenate((input_2, input_3), axis=1)
)
np.testing.assert_array_equal(
res_2, np.concatenate((input_2, input_3), axis=1)
)
np.testing.assert_array_equal(
res_3, np.concatenate((input_2, input_3), axis=1)
)
np.testing.assert_array_equal(
res_4, np.concatenate((input_2, input_3), axis=1)
)
def test_imperative(self):
in1 = np.array([[1, 2, 3], [4, 5, 6]])
in2 = np.array([[11, 12, 13], [14, 15, 16]])
in3 = np.array([[21, 22], [23, 24]])
paddle.disable_static()
x1 = paddle.to_tensor(in1)
x2 = paddle.to_tensor(in2)
x3 = paddle.to_tensor(in3)
out1 = paddle.concat([x1, x2, x3], axis=-1)
out2 = paddle.concat(x=[x1, x2], axis=0)
np_out1 = np.concatenate([in1, in2, in3], axis=-1)
np_out2 = np.concatenate([in1, in2], axis=0)
paddle.enable_static()
self.assertEqual((out1.numpy() == np_out1).all(), True)
self.assertEqual((out2.numpy() == np_out2).all(), True)
def test_errors(self):
with paddle.base.program_guard(
paddle.base.Program(), paddle.base.Program()
):
# The item in input must be Variable.
x2 = base.create_lod_tensor(
np.array([[-1]]), [[1]], base.CPUPlace()
)
x3 = base.create_lod_tensor(
np.array([[-1]]), [[1]], base.CPUPlace()
)
self.assertRaises(TypeError, paddle.concat, [x2])
# The input dtype of concat_op must be float16, float32, float64, int32, int64.
x4 = paddle.static.data(shape=[4], dtype='uint8', name='x4')
x5 = paddle.static.data(shape=[4], dtype='uint8', name='x5')
self.assertRaises(TypeError, paddle.concat, [x4, x5])
# The type of axis in concat_op should be int or Variable.
x6 = paddle.static.data(shape=[-1, 4], dtype='float16', name='x6')
x7 = paddle.static.data(shape=[-1, 4], dtype='float16', name='x7')
x8 = paddle.static.data(shape=[-1, 4], dtype='float32', name='x8')
def test_axis_type():
paddle.concat([x6, x7], 3.2)
self.assertRaises(TypeError, test_axis_type)
def test_input_same_dtype():
paddle.concat([x7, x8])
self.assertRaises(TypeError, test_input_same_dtype)
class TestConcatAPIWithDenseTensorArray(unittest.TestCase):
"""
Test concat api when the input(x) is a DenseTensorArray.
"""
def setUp(self):
self.axis = 1
self.python = paddle.concat
self.iter_num = 3
self.input_shape = [2, 3]
self.x = np.random.random(self.input_shape).astype("float32")
self.place = (
get_device_place()
if (base.is_compiled_with_cuda() or is_custom_device())
else base.CPUPlace()
)
def set_program(self, use_base_api):
paddle.enable_static()
if use_base_api:
self.program = paddle.base.Program()
with paddle.base.program_guard(self.program):
input = paddle.assign(self.x)
tensor_array = paddle.tensor.create_array(dtype='float32')
zero = paddle.tensor.fill_constant(
shape=[1], value=0, dtype="int64"
)
for i in range(self.iter_num):
paddle.tensor.array_write(input, zero + i, tensor_array)
self.out_var = paddle.concat(tensor_array, axis=self.axis)
else:
self.program = paddle.base.Program()
with paddle.base.program_guard(self.program):
input = paddle.assign(self.x)
tensor_array = paddle.tensor.create_array(
dtype='float32'
) # Api create_array is not supported in paddle 2.0 yet.
zero = paddle.zeros(shape=[1], dtype="int64")
for i in range(self.iter_num):
# Api array_write is not supported in paddle 2.0 yet.
paddle.tensor.array_write(input, zero + i, tensor_array)
self.out_var = paddle.concat(tensor_array, axis=self.axis)
def test_base_api(self):
self._run_static_mode(use_base_api=True)
def test_paddle_api(self):
self._run_static_mode(use_base_api=False)
def _run_static_mode(self, use_base_api):
self.set_program(use_base_api)
self.assertTrue(self.out_var.shape[self.axis] == -1)
exe = base.Executor(self.place)
res = exe.run(self.program, fetch_list=self.out_var)
np.testing.assert_array_equal(
res[0], np.concatenate([self.x] * self.iter_num, axis=self.axis)
)
class TestConcatDoubleGradCheck(unittest.TestCase):
def concat_wrapper(self, x):
return paddle.concat(x)
@prog_scope()
def func(self, place):
# the shape of input variable should be clearly specified, not include -1.
eps = 0.005
dtype = np.float32
data1 = paddle.static.data('data1', [2, 3], dtype)
data1.persistable = True
data1.stop_gradient = False
data2 = paddle.static.data('data2', [2, 3], dtype)
data2.persistable = True
data2.stop_gradient = False
out = paddle.concat([data1, data2])
data1_arr = np.random.uniform(-1, 1, data1.shape).astype(dtype)
data2_arr = np.random.uniform(-1, 1, data2.shape).astype(dtype)
gradient_checker.double_grad_check(
[data1, data2],
out,
x_init=[data1_arr, data2_arr],
place=place,
eps=eps,
)
gradient_checker.double_grad_check_for_dygraph(
self.concat_wrapper,
[data1, data2],
out,
x_init=[data1_arr, data2_arr],
place=place,
)
def test_grad(self):
paddle.enable_static()
for p in get_places():
self.func(p)
class TestConcatTripleGradCheck(unittest.TestCase):
def concat_wrapper(self, x):
return paddle.concat(x, 1)
@prog_scope()
def func(self, place):
# the shape of input variable should be clearly specified, not include -1.
eps = 0.005
dtype = np.float32
data1 = paddle.static.data('data1', [2, 3, 4], dtype)
data1.persistable = True
data1.stop_gradient = False
data2 = paddle.static.data('data2', [2, 3, 4], dtype)
data2.persistable = True
data2.stop_gradient = False
out = paddle.concat([data1, data2], 1)
data1_arr = np.random.uniform(-1, 1, data1.shape).astype(dtype)
data2_arr = np.random.uniform(-1, 1, data2.shape).astype(dtype)
gradient_checker.triple_grad_check(
[data1, data2],
out,
x_init=[data1_arr, data2_arr],
place=place,
eps=eps,
)
gradient_checker.triple_grad_check_for_dygraph(
self.concat_wrapper,
[data1, data2],
out,
x_init=[data1_arr, data2_arr],
place=place,
)
def test_grad(self):
paddle.enable_static()
for p in get_places():
self.func(p)
class TestConcatOpAutoParallel(OpTest):
def setUp(self):
self.op_type = "concat"
self.python_api = paddle.concat
self.public_python_api = paddle.concat
self.prim_op_type = "prim"
self.dtype = self.get_dtype()
self.init_test_data()
self.if_enable_cinn()
self.init_inputs()
self.attrs = {'axis': self.axis}
if self.axis < 0:
self.actual_axis = self.axis + len(self.x0.shape)
self.actual_axis = max(0, self.actual_axis)
else:
self.actual_axis = self.axis
self.outputs = {
'Out': np.concatenate(
(self.x0, self.x1, self.x2), axis=self.actual_axis
)
}
def get_dtype(self):
return "float64"
def init_inputs(self):
self.inputs = {'X': [('x0', self.x0), ('x1', self.x1), ('x2', self.x2)]}
self.placements = {
'X': [
('x0', [dist.Shard(2)]),
('x1', [dist.Shard(2)]),
('x2', [dist.Shard(2)]),
]
}
def test_check_grad(self):
self.check_grad(
['x0'],
'Out',
check_auto_parallel=True,
)
self.check_grad(
['x0', 'x1', 'x2'],
'Out',
check_auto_parallel=True,
)
def init_test_data(self):
if self.dtype == np.uint16:
x0 = np.random.random((16, 4, 4)).astype(np.float32)
self.x0 = convert_float_to_uint16(x0)
x1 = np.random.random((64, 4, 4)).astype(np.float32)
self.x1 = convert_float_to_uint16(x1)
x2 = np.random.random((16, 4, 4)).astype(np.float32)
self.x2 = convert_float_to_uint16(x2)
else:
self.x0 = np.random.random((16, 4, 4)).astype(self.dtype)
self.x1 = np.random.random((64, 4, 4)).astype(self.dtype)
self.x2 = np.random.random((16, 4, 4)).astype(self.dtype)
self.axis = 0
def if_enable_cinn(self):
pass
class TestConcatOpErrorWithPir(unittest.TestCase):
def test_errors_with_pir(self):
paddle.enable_static()
with paddle.base.program_guard(
paddle.base.Program(), paddle.base.Program()
):
# The type of axis in concat_op should be int or Variable.
x6 = paddle.static.data(shape=[-1, 4], dtype='float32', name='x6')
x7 = paddle.static.data(shape=[-1, 4], dtype='float32', name='x7')
x8 = paddle.static.data(shape=[-1, 4], dtype='float64', name='x8')
def test_axis_type():
paddle.concat([x6, x7], 3.2)
self.assertRaises(TypeError, test_axis_type)
# The input dtype must be same.
def test_input_same_dtype():
paddle.concat([x7, x8])
self.assertRaises(TypeError, test_input_same_dtype)
def test_empty_inputs_dygraph(self):
paddle.disable_static()
with self.assertRaisesRegex(ValueError, "but got empty list"):
paddle.concat([])
def test_empty_inputs_static(self):
with (
IrGuard(),
paddle.base.program_guard(
paddle.base.Program(), paddle.base.Program()
),
self.assertRaisesRegex(ValueError, "but got empty list"),
):
paddle.concat([], axis=0)
class TestConcatOpZeroSize1(TestConcatOp):
def init_test_data(self):
self.x0 = np.random.random((2, 0, 4, 5)).astype(self.dtype)
self.x1 = np.random.random((2, 3, 4, 5)).astype(self.dtype)
self.x2 = np.random.random((2, 3, 4, 5)).astype(self.dtype)
self.axis = 1
class TestConcatOpZeroSize2(TestConcatOp):
def init_test_data(self):
self.x0 = np.random.random((2, 0, 1, 5)).astype(self.dtype)
self.x1 = np.random.random((2, 0, 2, 5)).astype(self.dtype)
self.x2 = np.random.random((2, 0, 4, 5)).astype(self.dtype)
self.axis = 2
class TestConcatOpZeroSize3(TestConcatOp):
def init_test_data(self):
self.x0 = np.random.random((0, 0, 0, 0)).astype(self.dtype)
self.x1 = np.random.random((0, 0, 0, 0)).astype(self.dtype)
self.x2 = np.random.random((0, 0, 0, 0)).astype(self.dtype)
self.axis = 2
class TestConcatOpZeroSize4(TestConcatOp):
def init_test_data(self):
self.x0 = np.random.random((0, 1, 2, 3)).astype(self.dtype)
self.x1 = np.random.random((0, 1, 2, 3)).astype(self.dtype)
self.x2 = np.random.random((0, 1, 2, 3)).astype(self.dtype)
self.axis = 2
class TestConcatOpZeroSize5(TestConcatOp):
def init_test_data(self):
self.x0 = np.random.random((0, 1, 2, 3)).astype(self.dtype)
self.x1 = np.random.random((0, 1, 2, 3)).astype(self.dtype)
self.x2 = np.random.random((0, 1, 2, 3)).astype(self.dtype)
self.axis = 2
class TestConcatOutAndParaDecorator(unittest.TestCase):
def setUp(self):
paddle.disable_static()
self.apis = [
paddle.concat,
paddle.cat,
paddle.concatenate,
]
self.test_types = [
"decorator1",
"decorator2",
"out",
"out_decorator",
]
def do_test(self, api, test_type):
single_shape = [2, 3, 4]
out_shape = [2, 3, 12]
x = paddle.arange(np.prod(single_shape), dtype="float32").reshape(
single_shape
)
y = paddle.arange(np.prod(single_shape), dtype="float32").reshape(
single_shape
)
z = paddle.arange(np.prod(single_shape), dtype="float32").reshape(
single_shape
)
x.stop_gradient = y.stop_gradient = z.stop_gradient = False
inputs = [x, y, z]
axis = -1
out = paddle.randn(out_shape, dtype="float32")
out.stop_gradient = False
if test_type == "raw":
res = api(inputs, axis)
loss = res.mean()
loss.backward()
x_grad, y_grad, z_grad = x.grad, y.grad, z.grad
return res, x_grad, y_grad, z_grad
elif test_type == "decorator1":
res = api(inputs, axis, out=out)
loss = res.mean()
loss.backward()
x_grad, y_grad, z_grad = x.grad, y.grad, z.grad
return res, x_grad, y_grad, z_grad
elif test_type == "decorator2":
res = api(inputs, dim=axis)
loss = res.mean()
loss.backward()
x_grad, y_grad, z_grad = x.grad, y.grad, z.grad
return res, x_grad, y_grad, z_grad
elif test_type == "out":
res = api(inputs, axis, out=out)
loss = out.mean()
loss.backward()
x_grad, y_grad, z_grad = x.grad, y.grad, z.grad
return out, x_grad, y_grad, z_grad
elif test_type == "out_decorator":
res = api(inputs, dim=axis, out=out)
loss = out.mean()
loss.backward()
x_grad, y_grad, z_grad = x.grad, y.grad, z.grad
return out, x_grad, y_grad, z_grad
else:
raise NotImplementedError(
f"Test type {test_type} is not implemented."
)
def test_concat_out_and_para_decorator(self):
res_std, x_grad_std, y_grad_std, z_grad_std = self.do_test(
paddle.concat, "raw"
)
for api in self.apis:
for test_type in self.test_types:
res, x_grad, y_grad, z_grad = self.do_test(api, test_type)
np.testing.assert_allclose(
res_std.numpy(), res.numpy(), rtol=1e-20, atol=1e-20
)
np.testing.assert_allclose(
x_grad_std.numpy(), x_grad.numpy(), rtol=1e-20, atol=1e-20
)
np.testing.assert_allclose(
y_grad_std.numpy(), y_grad.numpy(), rtol=1e-20, atol=1e-20
)
np.testing.assert_allclose(
z_grad_std.numpy(), z_grad.numpy(), rtol=1e-20, atol=1e-20
)
class TestConcatOpAlias(unittest.TestCase):
def setUp(self):
paddle.disable_static()
def test_check_output(self):
"""
Test the alias of concat function.
``concat(tensors=x, dim=axis)`` is equivalent to ``concat(x=x, axis=axis)``
"""
shape_cases = [
[2],
[2, 4],
[2, 4, 8],
]
axis_cases = [0, -1]
for shape in shape_cases:
for axis in axis_cases:
x1 = paddle.rand(shape)
x2 = paddle.rand(shape)
combinations = [
{"x": [x1, x2], "axis": axis},
{"x": [x1, x2], "dim": axis},
{"tensors": [x1, x2], "axis": axis},
{"tensors": [x1, x2], "dim": axis},
]
# Get baseline result
baseline = paddle.concat(x=[x1, x2], axis=axis)
expected = baseline.numpy()
for params in combinations:
out = paddle.concat(**params)
np.testing.assert_array_equal(out.numpy(), expected)
if __name__ == '__main__':
paddle.enable_static()
unittest.main()