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paddlepaddle--paddle/test/legacy_test/test_fmax_op.py
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2026-07-13 12:40:42 +08:00

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# Copyright (c) 2021 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 (
OpTest,
convert_float_to_uint16,
get_device_place,
is_custom_device,
)
import paddle
from paddle.base import core
class ApiFMaxTest(unittest.TestCase):
"""ApiFMaxTest"""
def setUp(self):
"""setUp"""
if core.is_compiled_with_cuda() or is_custom_device():
self.place = get_device_place()
else:
self.place = core.CPUPlace()
self.input_x = np.random.rand(10, 15).astype("float32")
self.input_y = np.random.rand(10, 15).astype("float32")
self.input_z = np.random.rand(15).astype("float32")
self.input_a = np.array([0, np.nan, np.nan]).astype('int64')
self.input_b = np.array([2, np.inf, -np.inf]).astype('int64')
self.input_c = np.array([4, 1, 3]).astype('int64')
self.np_expected1 = np.fmax(self.input_x, self.input_y)
self.np_expected2 = np.fmax(self.input_x, self.input_z)
self.np_expected3 = np.fmax(self.input_a, self.input_c)
self.np_expected4 = np.fmax(self.input_b, self.input_c)
def test_static_api(self):
"""test_static_api"""
paddle.enable_static()
with paddle.static.program_guard(
paddle.static.Program(), paddle.static.Program()
):
data_x = paddle.static.data("x", shape=[10, 15], dtype="float32")
data_y = paddle.static.data("y", shape=[10, 15], dtype="float32")
result_fmax = paddle.fmax(data_x, data_y)
exe = paddle.static.Executor(self.place)
(res,) = exe.run(
feed={"x": self.input_x, "y": self.input_y},
fetch_list=[result_fmax],
)
np.testing.assert_allclose(res, self.np_expected1, rtol=1e-05)
with paddle.static.program_guard(
paddle.static.Program(), paddle.static.Program()
):
data_x = paddle.static.data("x", shape=[10, 15], dtype="float32")
data_z = paddle.static.data("z", shape=[15], dtype="float32")
result_fmax = paddle.fmax(data_x, data_z)
exe = paddle.static.Executor(self.place)
(res,) = exe.run(
feed={"x": self.input_x, "z": self.input_z},
fetch_list=[result_fmax],
)
np.testing.assert_allclose(res, self.np_expected2, rtol=1e-05)
with paddle.static.program_guard(
paddle.static.Program(), paddle.static.Program()
):
data_a = paddle.static.data("a", shape=[3], dtype="int64")
data_c = paddle.static.data("c", shape=[3], dtype="int64")
result_fmax = paddle.fmax(data_a, data_c)
exe = paddle.static.Executor(self.place)
(res,) = exe.run(
feed={"a": self.input_a, "c": self.input_c},
fetch_list=[result_fmax],
)
np.testing.assert_allclose(res, self.np_expected3, rtol=1e-05)
with paddle.static.program_guard(
paddle.static.Program(), paddle.static.Program()
):
data_b = paddle.static.data("b", shape=[3], dtype="int64")
data_c = paddle.static.data("c", shape=[3], dtype="int64")
result_fmax = paddle.fmax(data_b, data_c)
exe = paddle.static.Executor(self.place)
(res,) = exe.run(
feed={"b": self.input_b, "c": self.input_c},
fetch_list=[result_fmax],
)
np.testing.assert_allclose(res, self.np_expected4, rtol=1e-05)
def test_dynamic_api(self):
"""test_dynamic_api"""
paddle.disable_static()
x = paddle.to_tensor(self.input_x)
y = paddle.to_tensor(self.input_y)
z = paddle.to_tensor(self.input_z)
a = paddle.to_tensor(self.input_a)
b = paddle.to_tensor(self.input_b)
c = paddle.to_tensor(self.input_c)
res = paddle.fmax(x, y)
res = res.numpy()
np.testing.assert_allclose(res, self.np_expected1, rtol=1e-05)
# test broadcast
res = paddle.fmax(x, z)
res = res.numpy()
np.testing.assert_allclose(res, self.np_expected2, rtol=1e-05)
res = paddle.fmax(a, c)
res = res.numpy()
np.testing.assert_allclose(res, self.np_expected3, rtol=1e-05)
res = paddle.fmax(b, c)
res = res.numpy()
np.testing.assert_allclose(res, self.np_expected4, rtol=1e-05)
class TestElementwiseFmaxOp(OpTest):
"""TestElementwiseFmaxOp"""
def setUp(self):
"""setUp"""
self.op_type = "elementwise_fmax"
self.prim_op_type = "prim"
self.python_api = paddle.fmax
self.public_python_api = paddle.fmax
# If x and y have the same value, the max() is not differentiable.
# So we generate test data by the following method
# to avoid them being too close to each other.
self.init_shape()
x = np.random.uniform(0.1, 1, self.shape).astype("float64")
sgn = np.random.choice([-1, 1], self.shape).astype("float64")
y = x + sgn * np.random.uniform(0.1, 1, self.shape).astype("float64")
self.inputs = {'X': x, 'Y': y}
self.outputs = {'Out': np.fmax(self.inputs['X'], self.inputs['Y'])}
def init_shape(self):
self.shape = [13, 17]
def test_check_output(self):
"""test_check_output"""
self.check_output(check_pir=True, check_symbol_infer=False)
def test_check_grad_normal(self):
"""test_check_grad_normal"""
self.check_grad(['X', 'Y'], 'Out', check_pir=True, check_prim_pir=True)
def test_check_grad_ignore_x(self):
"""test_check_grad_ignore_x"""
self.check_grad(
['Y'],
'Out',
max_relative_error=0.005,
no_grad_set=set("X"),
check_pir=True,
)
def test_check_grad_ignore_y(self):
"""test_check_grad_ignore_y"""
self.check_grad(
['X'],
'Out',
max_relative_error=0.005,
no_grad_set=set('Y'),
check_pir=True,
)
class TestElementwiseFmax2Op(OpTest):
"""TestElementwiseFmax2Op"""
def setUp(self):
"""setUp"""
self.op_type = "elementwise_fmax"
self.prim_op_type = "prim"
self.python_api = paddle.fmax
self.public_python_api = paddle.fmax
# If x and y have the same value, the max() is not differentiable.
# So we generate test data by the following method
# to avoid them being too close to each other.
x = np.random.uniform(0.1, 1, [13, 17]).astype("float64")
sgn = np.random.choice([-1, 1], [13, 17]).astype("float64")
y = x + sgn * np.random.uniform(0.1, 1, [13, 17]).astype("float64")
y[2, 10:] = np.nan
self.inputs = {'X': x, 'Y': y}
self.outputs = {'Out': np.fmax(self.inputs['X'], self.inputs['Y'])}
def test_check_output(self):
"""test_check_output"""
self.check_output(check_pir=True, check_symbol_infer=False)
def test_check_grad_normal(self):
"""test_check_grad_normal"""
self.check_grad(['X', 'Y'], 'Out', check_pir=True, check_prim_pir=True)
def test_check_grad_ignore_x(self):
"""test_check_grad_ignore_x"""
self.check_grad(
['Y'],
'Out',
max_relative_error=0.005,
no_grad_set=set("X"),
check_pir=True,
)
def test_check_grad_ignore_y(self):
"""test_check_grad_ignore_y"""
self.check_grad(
['X'],
'Out',
max_relative_error=0.005,
no_grad_set=set('Y'),
check_pir=True,
)
class TestElementwiseFmax3Op(OpTest):
"""TestElementwiseFmax3Op"""
def setUp(self):
"""setUp"""
self.op_type = "elementwise_fmax"
self.prim_op_type = "prim"
self.python_api = paddle.fmax
self.public_python_api = paddle.fmax
# If x and y have the same value, the max() is not differentiable.
# So we generate test data by the following method
# to avoid them being too close to each other.
x = np.random.uniform(0.1, 1, [13, 17]).astype("float16")
sgn = np.random.choice([-1, 1], [13, 17]).astype("float16")
y = x + sgn * np.random.uniform(0.1, 1, [13, 17]).astype("float16")
self.inputs = {'X': x, 'Y': y}
self.outputs = {'Out': np.fmax(self.inputs['X'], self.inputs['Y'])}
def test_check_output(self):
"""test_check_output"""
self.check_output(check_pir=True, check_symbol_infer=False)
def test_check_grad_normal(self):
"""test_check_grad_normal"""
self.check_grad(['X', 'Y'], 'Out', check_pir=True, check_prim_pir=True)
@unittest.skipIf(
not (core.is_compiled_with_cuda() or is_custom_device())
or not core.is_bfloat16_supported(get_device_place()),
"core is not compiled with CUDA and not support the bfloat16",
)
class TestFmaxBF16OP(OpTest):
def setUp(self):
self.op_type = "elementwise_fmax"
self.prim_op_type = "prim"
self.python_api = paddle.fmax
self.public_python_api = paddle.fmax
self.dtype = np.uint16
x = np.random.uniform(0.1, 1, [13, 17]).astype("float32")
sgn = np.random.choice([-1, 1], [13, 17]).astype("float32")
y = x + sgn * np.random.uniform(0.1, 1, [13, 17]).astype("float32")
out = np.fmax(x, y)
self.inputs = {
'X': convert_float_to_uint16(x),
'Y': convert_float_to_uint16(y),
}
self.outputs = {'Out': convert_float_to_uint16(out)}
def test_check_output(self):
place = get_device_place()
self.check_output_with_place(
place, check_pir=True, check_symbol_infer=False
)
def test_check_grad(self):
place = get_device_place()
self.check_grad_with_place(
place, ['X', 'Y'], 'Out', check_pir=True, check_prim_pir=True
)
class TestElementwiseFmaxOpZeroSize(TestElementwiseFmaxOp):
def init_shape(self):
self.shape = [0, 15]
class TestElementwiseFmaxOpZeroSize1(TestElementwiseFmaxOp):
def init_shape(self):
self.shape = [0, 15, 0]
class ApiFMaxTestZeroSize(unittest.TestCase):
"""ApiFMaxTest"""
def setUp(self):
"""setUp"""
if core.is_compiled_with_cuda() or is_custom_device():
self.place = get_device_place()
else:
self.place = core.CPUPlace()
self.input_x = np.random.rand(0, 15).astype("float32")
self.input_y = np.random.rand(0, 15).astype("float32")
self.input_z = np.random.rand(1, 15).astype("float32")
self.input_a = np.random.rand(15, 0).astype('int64')
self.input_b = np.random.rand(15, 0, 1).astype('int64')
self.input_c = np.random.rand(15, 0, 2).astype('int64')
self.np_expected1 = np.fmax(self.input_x, self.input_y)
self.np_expected2 = np.fmax(self.input_x, self.input_z)
self.np_expected3 = np.fmax(self.input_a, self.input_c)
self.np_expected4 = np.fmax(self.input_b, self.input_c)
@unittest.skipIf(
not (core.is_compiled_with_cuda() or is_custom_device()),
"core is not compiled with CUDA",
)
class TestElementwiseFmaxOp_Stride(OpTest):
no_need_check_grad = True
def setUp(self):
self.op_type = "elementwise_fmax"
self.python_api = paddle.fmax
self.public_python_api = paddle.fmax
self.transpose_api = paddle.transpose
self.as_stride_api = paddle.as_strided
self.init_dtype()
self.init_input_output()
self.inputs_stride = {
'X': OpTest.np_dtype_to_base_dtype(self.x),
'Y': OpTest.np_dtype_to_base_dtype(self.y_trans),
}
self.inputs = {
'X': OpTest.np_dtype_to_base_dtype(self.x),
'Y': OpTest.np_dtype_to_base_dtype(self.y),
}
self.outputs = {'Out': self.out}
def init_dtype(self):
self.dtype = np.float64
self.val_dtype = np.float64
def test_check_output(self):
place = get_device_place()
self.check_strided_forward = True
self.check_output(
place,
)
def init_input_output(self):
self.strided_input_type = "transpose"
self.x = np.random.uniform(0.1, 1, [13, 17]).astype(self.dtype)
self.y = np.random.uniform(0.1, 1, [13, 17]).astype(self.dtype)
self.out = np.fmax(self.x, self.y)
self.perm = [1, 0]
self.y_trans = np.transpose(self.y, self.perm)
def test_check_gradient(self):
pass
class TestElementwiseFmaxOp_Stride1(TestElementwiseFmaxOp_Stride):
def init_input_output(self):
self.strided_input_type = "transpose"
self.x = np.random.uniform(0.1, 1, [20, 2, 13, 17]).astype(self.dtype)
self.y = np.random.uniform(0.1, 1, [20, 2, 13, 17]).astype(self.dtype)
self.out = np.fmax(self.x, self.y)
self.perm = [0, 1, 3, 2]
self.y_trans = np.transpose(self.y, self.perm)
class TestElementwiseFmaxOp_Stride2(TestElementwiseFmaxOp_Stride):
def init_input_output(self):
self.strided_input_type = "transpose"
self.x = np.random.uniform(0.1, 1, [20, 2, 13, 17]).astype(self.dtype)
self.y = np.random.uniform(0.1, 1, [20, 2, 13, 17]).astype(self.dtype)
self.out = np.fmax(self.x, self.y)
self.perm = [0, 2, 1, 3]
self.y_trans = np.transpose(self.y, self.perm)
class TestElementwiseFmaxOp_Stride3(TestElementwiseFmaxOp_Stride):
def init_input_output(self):
self.strided_input_type = "transpose"
self.x = np.random.uniform(0.1, 1, [20, 2, 13, 17]).astype(self.dtype)
self.y = np.random.uniform(0.1, 1, [20, 2, 13, 1]).astype(self.dtype)
self.out = np.fmax(self.x, self.y)
self.perm = [0, 1, 3, 2]
self.y_trans = np.transpose(self.y, self.perm)
class TestElementwiseFmaxOp_Stride4(TestElementwiseFmaxOp_Stride):
def init_input_output(self):
self.strided_input_type = "transpose"
self.x = np.random.uniform(0.1, 1, [1, 2, 13, 17]).astype(self.dtype)
self.y = np.random.uniform(0.1, 1, [20, 2, 13, 1]).astype(self.dtype)
self.out = np.fmax(self.x, self.y)
self.perm = [1, 0, 2, 3]
self.y_trans = np.transpose(self.y, self.perm)
class TestElementwiseFmaxOp_Stride5(TestElementwiseFmaxOp_Stride):
def init_input_output(self):
self.strided_input_type = "as_stride"
self.x = np.random.uniform(0.1, 1, [23, 10, 1, 17]).astype(self.dtype)
self.y = np.random.uniform(0.1, 1, [23, 2, 13, 20]).astype(self.dtype)
self.y_trans = self.y
self.y = self.y[:, 0:1, :, 0:1]
self.out = np.fmax(self.x, self.y)
self.shape_param = [23, 1, 13, 1]
self.stride_param = [520, 260, 20, 1]
class TestElementwiseFmaxOp_Stride_ZeroDim1(TestElementwiseFmaxOp_Stride):
def init_input_output(self):
self.strided_input_type = "transpose"
self.x = np.random.uniform(0.1, 1, []).astype(self.dtype)
self.y = np.random.uniform(0.1, 1, [13, 17]).astype(self.dtype)
self.out = np.fmax(self.x, self.y)
self.perm = [1, 0]
self.y_trans = np.transpose(self.y, self.perm)
class TestElementwiseFmaxOp_Stride_ZeroSize1(TestElementwiseFmaxOp_Stride):
def init_data(self):
self.strided_input_type = "transpose"
self.x = np.random.rand(1, 0, 2).astype('float32')
self.y = np.random.rand(3, 0, 1).astype('float32')
self.out = np.fmax(self.x, self.y)
self.perm = [2, 1, 0]
self.y_trans = np.transpose(self.y, self.perm)
if __name__ == "__main__":
unittest.main()