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Paddle/python/paddle/fluid/tests/unittests/test_concat_op.py

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# 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.
from __future__ import print_function
import unittest
import numpy as np
from op_test import OpTest, skip_check_grad_ci
import paddle.fluid as fluid
from paddle.fluid import compiler, Program, program_guard, core
import paddle
class TestConcatOp(OpTest):
def setUp(self):
self.op_type = "concat"
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 = self.actual_axis if self.actual_axis > 0 else 0
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):
self.check_output()
def test_check_grad(self):
self.check_grad(['x0'], 'Out')
self.check_grad(['x1'], 'Out')
self.check_grad(['x2'], 'Out')
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 = 1
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.init_test_data()
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 = self.actual_axis if self.actual_axis > 0 else 0
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 test_check_output(self):
self.check_output(check_dygraph=False)
def test_check_grad(self):
self.check_grad(['x0'], 'Out', check_dygraph=False)
self.check_grad(['x1'], 'Out', check_dygraph=False)
self.check_grad(['x2'], 'Out', check_dygraph=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
def create_test_AxisTensor(parent):
class TestConcatAxisTensor(parent):
def setUp(self):
self.op_type = "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 = self.actual_axis if self.actual_axis > 0 else 0
else:
self.actual_axis = self.axis
self.outputs = {
'Out': np.concatenate(
(self.x0, self.x1, self.x2), axis=self.actual_axis)
}
cls_name = "{0}_{1}".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 get_dtype(self):
return np.float16
cls_name = "{0}_{1}".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)
class TestConcatOpError(unittest.TestCase):
def test_errors(self):
with program_guard(Program(), Program()):
# The input type of concat_op should be list.
x1 = fluid.layers.data(shape=[4], dtype='int32', name='x1')
fluid.layers.concat(x1)
# The item in input must be Variable.
x2 = fluid.create_lod_tensor(
np.array([[-1]]), [[1]], fluid.CPUPlace())
x3 = fluid.create_lod_tensor(
np.array([[-1]]), [[1]], fluid.CPUPlace())
self.assertRaises(TypeError, fluid.layers.concat, [x2])
# The input dtype of concat_op must be float16, float32, float64, int32, int64.
x4 = fluid.layers.data(shape=[4], dtype='uint8', name='x4')
x5 = fluid.layers.data(shape=[4], dtype='uint8', name='x5')
self.assertRaises(TypeError, fluid.layers.concat, [x4, x5])
x6 = fluid.layers.data(shape=[4], dtype='float16', name='x6')
x7 = fluid.layers.data(shape=[4], dtype='float16', name='x7')
x8 = fluid.layers.data(shape=[4], dtype='float32', name='x8')
fluid.layers.concat([x6, x7])
# The type of axis in concat_op should be int or Variable.
def test_axis_type():
fluid.layers.concat([x6, x7], 3.2)
self.assertRaises(TypeError, test_axis_type)
def test_input_same_dtype():
fluid.layers.concat([x7, x8])
self.assertRaises(TypeError, test_input_same_dtype)
class TestConcatAPI(unittest.TestCase):
def test_fluid_api(self):
paddle.enable_static()
x_1 = fluid.data(shape=[None, 1, 4, 5], dtype='int32', name='x_1')
fluid.layers.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 = fluid.data(shape=[2, 1, 4, 5], dtype='int32', name='x_2')
x_3 = fluid.data(shape=[2, 2, 4, 5], dtype='int32', name='x_3')
positive_1_int32 = fluid.layers.fill_constant([1], "int32", 1)
positive_1_int64 = fluid.layers.fill_constant([1], "int64", 1)
out_1 = fluid.layers.concat(input=[x_2, x_3], axis=1)
out_2 = fluid.layers.concat(input=[x_2, x_3], axis=positive_1_int32)
out_3 = fluid.layers.concat(input=[x_2, x_3], axis=positive_1_int64)
exe = fluid.Executor(place=fluid.CPUPlace())
[res_1, res_2, res_3] = exe.run(
fluid.default_main_program(),
feed={"x_1": input_2,
"x_2": input_2,
"x_3": input_3},
fetch_list=[out_1, out_2, out_3])
assert np.array_equal(res_1, np.concatenate((input_2, input_3), axis=1))
assert np.array_equal(res_2, np.concatenate((input_2, input_3), axis=1))
assert np.array_equal(res_3, np.concatenate((input_2, input_3), axis=1))
def test_api(self):
paddle.enable_static()
x_1 = paddle.fluid.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 = fluid.data(shape=[2, 1, 4, 5], dtype='int32', name='x_2')
x_3 = fluid.data(shape=[2, 2, 4, 5], dtype='int32', name='x_3')
positive_1_int32 = paddle.fluid.layers.fill_constant([1], "int32", 1)
positive_1_int64 = paddle.fluid.layers.fill_constant([1], "int64", 1)
negative_int64 = paddle.fluid.layers.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])
assert np.array_equal(res_1, np.concatenate((input_2, input_3), axis=1))
assert np.array_equal(res_2, np.concatenate((input_2, input_3), axis=1))
assert np.array_equal(res_3, np.concatenate((input_2, input_3), axis=1))
assert np.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 = fluid.layers.concat(input=[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 program_guard(Program(), Program()):
# The item in input must be Variable.
x2 = fluid.create_lod_tensor(
np.array([[-1]]), [[1]], fluid.CPUPlace())
x3 = fluid.create_lod_tensor(
np.array([[-1]]), [[1]], fluid.CPUPlace())
self.assertRaises(TypeError, paddle.concat, [x2])
# The input dtype of concat_op must be float16, float32, float64, int32, int64.
x4 = paddle.fluid.data(shape=[4], dtype='uint8', name='x4')
x5 = paddle.fluid.data(shape=[4], dtype='uint8', name='x5')
self.assertRaises(TypeError, fluid.layers.concat, [x4, x5])
# The type of axis in concat_op should be int or Variable.
x6 = fluid.layers.data(shape=[4], dtype='float16', name='x6')
x7 = fluid.layers.data(shape=[4], dtype='float16', name='x7')
x8 = fluid.layers.data(shape=[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 TestConcatAPIWithLoDTensorArray(unittest.TestCase):
"""
Test concat api when the input(x) is a LoDTensorArray.
"""
def setUp(self):
self.axis = 1
self.iter_num = 3
self.input_shape = [2, 3]
self.x = np.random.random(self.input_shape).astype("float32")
self.place = fluid.CUDAPlace(0) \
if fluid.is_compiled_with_cuda() else fluid.CPUPlace()
def set_program(self, use_fluid_api):
paddle.enable_static()
if use_fluid_api:
self.program = fluid.Program()
with fluid.program_guard(self.program):
input = fluid.layers.assign(self.x)
tensor_array = fluid.layers.create_array(dtype='float32')
zero = fluid.layers.fill_constant(
shape=[1], value=0, dtype="int64")
for i in range(self.iter_num):
fluid.layers.array_write(input, zero + i, tensor_array)
self.out_var = fluid.layers.concat(tensor_array, axis=self.axis)
else:
self.program = paddle.static.Program()
with paddle.static.program_guard(self.program):
input = paddle.assign(self.x)
tensor_array = fluid.layers.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.
fluid.layers.array_write(input, zero + i, tensor_array)
self.out_var = paddle.concat(tensor_array, axis=self.axis)
def test_fluid_api(self):
self._run_static_mode(use_fluid_api=True)
def test_paddle_api(self):
self._run_static_mode(use_fluid_api=False)
def _run_static_mode(self, use_fluid_api):
self.set_program(use_fluid_api)
self.assertTrue(self.out_var.shape[self.axis] == -1)
exe = fluid.Executor(self.place)
res = exe.run(self.program, fetch_list=self.out_var)
self.assertTrue(
np.array_equal(
res[0],
np.concatenate(
[self.x] * self.iter_num, axis=self.axis)))
if __name__ == '__main__':
unittest.main()