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paddlepaddle--paddle/test/legacy_test/test_prod_op.py
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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 sys
import unittest
import numpy as np
from op_test import get_device_place, is_custom_device
sys.path.append("../../legacy_test")
from test_sum_op import TestReduceOPTensorAxisBase
from utils import dygraph_guard, static_guard
import paddle
from paddle.framework import core
class TestProdOp(unittest.TestCase):
def setUp(self):
self.input = np.random.random(size=(10, 10, 5)).astype(np.float32)
def run_imperative(self, place):
input = paddle.to_tensor(self.input, place=place)
out = paddle.prod(input)
expected_result = np.prod(self.input)
np.testing.assert_allclose(out.numpy(), expected_result, rtol=1e-05)
out = paddle.prod(input, axis=1)
expected_result = np.prod(self.input, axis=1)
np.testing.assert_allclose(out.numpy(), expected_result, rtol=1e-05)
out = paddle.prod(input, axis=-1)
expected_result = np.prod(self.input, axis=-1)
np.testing.assert_allclose(out.numpy(), expected_result, rtol=1e-05)
out = paddle.prod(input, axis=[0, 1])
expected_result = np.prod(self.input, axis=(0, 1))
np.testing.assert_allclose(
out.numpy(), expected_result, rtol=1e-05, atol=1e-8
)
out = paddle.prod(input, axis=1, keepdim=True)
expected_result = np.prod(self.input, axis=1, keepdims=True)
np.testing.assert_allclose(out.numpy(), expected_result, rtol=1e-05)
out = paddle.prod(input, axis=1, dtype='int64')
expected_result = np.prod(self.input, axis=1, dtype=np.int64)
np.testing.assert_allclose(out.numpy(), expected_result, rtol=1e-05)
out = paddle.prod(input, axis=1, keepdim=True, dtype='int64')
expected_result = np.prod(
self.input, axis=1, keepdims=True, dtype=np.int64
)
np.testing.assert_allclose(out.numpy(), expected_result, rtol=1e-05)
def run_static(self, use_gpu=False):
with paddle.static.program_guard(paddle.static.Program()):
input = paddle.static.data(
name='input', shape=[10, 10, 5], dtype='float32'
)
result0 = paddle.prod(input)
result1 = paddle.prod(input, axis=1)
result2 = paddle.prod(input, axis=-1)
result3 = paddle.prod(input, axis=[0, 1])
result4 = paddle.prod(input, axis=1, keepdim=True)
result5 = paddle.prod(input, axis=1, dtype='int64')
result6 = paddle.prod(input, axis=1, keepdim=True, dtype='int64')
place = get_device_place() if use_gpu else paddle.CPUPlace()
exe = paddle.static.Executor(place)
exe.run(paddle.static.default_startup_program())
static_result = exe.run(
feed={"input": self.input},
fetch_list=[
result0,
result1,
result2,
result3,
result4,
result5,
result6,
],
)
expected_result = np.prod(self.input)
np.testing.assert_allclose(
static_result[0], expected_result, rtol=1e-05
)
expected_result = np.prod(self.input, axis=1)
np.testing.assert_allclose(
static_result[1], expected_result, rtol=1e-05
)
expected_result = np.prod(self.input, axis=-1)
np.testing.assert_allclose(
static_result[2], expected_result, rtol=1e-05
)
expected_result = np.prod(self.input, axis=(0, 1))
np.testing.assert_allclose(
static_result[3], expected_result, rtol=1e-05, atol=1e-8
)
expected_result = np.prod(self.input, axis=1, keepdims=True)
np.testing.assert_allclose(
static_result[4], expected_result, rtol=1e-05
)
expected_result = np.prod(self.input, axis=1, dtype=np.int64)
np.testing.assert_allclose(
static_result[5], expected_result, rtol=1e-05
)
expected_result = np.prod(
self.input, axis=1, keepdims=True, dtype=np.int64
)
np.testing.assert_allclose(
static_result[6], expected_result, rtol=1e-05
)
def test_cpu(self):
with dygraph_guard():
self.run_imperative(place=paddle.CPUPlace())
with static_guard():
self.run_static()
def test_gpu(self):
if not (paddle.base.core.is_compiled_with_cuda() or is_custom_device()):
return
with dygraph_guard():
self.run_imperative(place=get_device_place())
with static_guard():
self.run_static()
@unittest.skipIf(
core.is_compiled_with_xpu(),
"Skip XPU for complex dtype is not fully supported",
)
class TestProdComplexOp(TestProdOp):
def setUp(self):
real = np.random.random(size=(10, 10, 5)).astype(np.float32)
imag = np.random.random(size=(10, 10, 5)).astype(np.float32)
self.input = real + 1j * imag
def run_imperative(self, place):
input = paddle.to_tensor(self.input, place=place)
out = paddle.prod(input)
expected_result = np.prod(self.input)
np.testing.assert_allclose(out.numpy(), expected_result, rtol=1e-05)
out = paddle.prod(input, axis=1)
expected_result = np.prod(self.input, axis=1)
np.testing.assert_allclose(out.numpy(), expected_result, rtol=1e-05)
out = paddle.prod(input, axis=[0, 1])
expected_result = np.prod(self.input, axis=(0, 1))
np.testing.assert_allclose(
out.numpy(), expected_result, rtol=1e-05, atol=1e-8
)
out = paddle.prod(input, axis=1, keepdim=True)
expected_result = np.prod(self.input, axis=1, keepdims=True)
np.testing.assert_allclose(out.numpy(), expected_result, rtol=1e-05)
def run_static(self, use_gpu=False):
with paddle.static.program_guard(paddle.static.Program()):
input = paddle.static.data(
name='input', shape=[10, 10, 5], dtype='complex64'
)
result0 = paddle.prod(input)
result1 = paddle.prod(input, axis=1)
result2 = paddle.prod(input, axis=-1)
result3 = paddle.prod(input, axis=[0, 1])
result4 = paddle.prod(input, axis=1, keepdim=True)
place = get_device_place() if use_gpu else paddle.CPUPlace()
exe = paddle.static.Executor(place)
exe.run(paddle.static.default_startup_program())
static_complex_result = exe.run(
feed={"input": self.input},
fetch_list=[
result0,
result1,
result2,
result3,
result4,
],
)
expected_result = np.prod(self.input)
np.testing.assert_allclose(
static_complex_result[0], expected_result, rtol=1e-05
)
expected_result = np.prod(self.input, axis=1)
np.testing.assert_allclose(
static_complex_result[1], expected_result, rtol=1e-05
)
expected_result = np.prod(self.input, axis=-1)
np.testing.assert_allclose(
static_complex_result[2], expected_result, rtol=1e-05
)
expected_result = np.prod(self.input, axis=(0, 1))
np.testing.assert_allclose(
static_complex_result[3], expected_result, rtol=1e-05, atol=1e-8
)
expected_result = np.prod(self.input, axis=1, keepdims=True)
np.testing.assert_allclose(
static_complex_result[4], expected_result, rtol=1e-05
)
def test_cpu(self):
with dygraph_guard():
self.run_imperative(place=paddle.CPUPlace())
with static_guard():
self.run_static()
def test_gpu(self):
if not (paddle.base.core.is_compiled_with_cuda() or is_custom_device()):
return
with dygraph_guard():
self.run_imperative(place=get_device_place())
with static_guard():
self.run_static()
class TestProdOpError(unittest.TestCase):
def test_error(self):
with (
static_guard(),
paddle.static.program_guard(
paddle.static.Program(), paddle.static.Program()
),
):
x = paddle.static.data(name='x', shape=[2, 2, 4], dtype='float32')
bool_x = paddle.static.data(
name='bool_x', shape=[2, 2, 4], dtype='bool'
)
# The argument x should be a Tensor
self.assertRaises(TypeError, paddle.prod, [1])
# The data type of x should be float32, float64, int32, int64
self.assertRaises(TypeError, paddle.prod, bool_x)
# The argument axis's type should be int ,list or tuple
self.assertRaises(TypeError, paddle.prod, x, 1.5)
# The argument dtype of prod_op should be float32, float64, int32 or int64.
self.assertRaises(TypeError, paddle.prod, x, 'bool')
class TestProdWithTensorAxis1(TestReduceOPTensorAxisBase):
def init_data(self):
self.pd_api = paddle.prod
self.np_api = np.prod
self.x = paddle.randn([10, 5, 9, 9], dtype='float64')
self.np_axis = np.array([1, 2], dtype='int64')
self.tensor_axis = paddle.to_tensor([1, 2], dtype='int64')
class TestProdWithTensorAxis2(TestReduceOPTensorAxisBase):
def init_data(self):
self.pd_api = paddle.prod
self.np_api = np.prod
self.x = paddle.randn([10, 10, 9, 9], dtype='float64')
self.np_axis = np.array([0, 1, 2], dtype='int64')
self.tensor_axis = [
0,
paddle.to_tensor([1], 'int64'),
paddle.to_tensor([2], 'int64'),
]
class TestProdOp_ZeroSize(unittest.TestCase):
def setUp(self):
self.input = np.random.random(size=(10, 0, 5)).astype(np.float32)
def run_imperative(self, place):
input = paddle.to_tensor(self.input, place=place)
input.stop_gradient = False
out = paddle.prod(input)
expected_result = np.prod(self.input)
np.testing.assert_allclose(out.numpy(), expected_result, rtol=1e-05)
out.sum().backward()
np.testing.assert_allclose(input.grad.shape, input.shape)
def test_cpu(self):
with dygraph_guard():
self.run_imperative(place=paddle.CPUPlace())
def test_gpu(self):
if not (paddle.base.core.is_compiled_with_cuda() or is_custom_device()):
return
with dygraph_guard():
self.run_imperative(place=get_device_place())
class TestProdOp_ZeroSize2(TestProdOp_ZeroSize):
def setUp(self):
self.input = np.random.random(size=(10, 1, 5)).astype(np.float32)
def run_imperative(self, place):
input = paddle.to_tensor(self.input, place=place)
out = paddle.prod(input, paddle.randn([0]).astype(paddle.int32))
np.testing.assert_allclose(out.numpy(), input.numpy())
class TestProdAliasOp(unittest.TestCase):
def setUp(self):
self.input = np.random.random(size=(10, 10, 5)).astype(np.float32)
def run_imperative(self, place):
input = paddle.to_tensor(self.input, place=place)
out = paddle.prod(input=input)
expected_result = np.prod(self.input)
np.testing.assert_allclose(out.numpy(), expected_result, rtol=1e-05)
out = paddle.prod(input, dim=1)
expected_result = np.prod(self.input, axis=1)
np.testing.assert_allclose(out.numpy(), expected_result, rtol=1e-05)
out = paddle.prod(input=input, dim=-1)
expected_result = np.prod(self.input, axis=-1)
np.testing.assert_allclose(out.numpy(), expected_result, rtol=1e-05)
out = paddle.prod(input, dim=[0, 1])
expected_result = np.prod(self.input, axis=(0, 1))
np.testing.assert_allclose(
out.numpy(), expected_result, rtol=1e-05, atol=1e-8
)
out = paddle.prod(input, dim=1, keepdim=True)
expected_result = np.prod(self.input, axis=1, keepdims=True)
np.testing.assert_allclose(out.numpy(), expected_result, rtol=1e-05)
out = paddle.prod(input=input, dim=1, dtype='int64')
expected_result = np.prod(self.input, axis=1, dtype=np.int64)
np.testing.assert_allclose(out.numpy(), expected_result, rtol=1e-05)
out = paddle.prod(input=input, dim=1, keepdim=True, dtype='int64')
expected_result = np.prod(
self.input, axis=1, keepdims=True, dtype=np.int64
)
np.testing.assert_allclose(out.numpy(), expected_result, rtol=1e-05)
paddle_out2 = paddle.empty(expected_result.shape, dtype='int64')
paddle_out1 = paddle.prod(
input=input, dim=1, keepdim=True, dtype='int64', out=paddle_out2
)
np.testing.assert_allclose(
paddle_out1.numpy(), expected_result, rtol=1e-05
)
np.testing.assert_allclose(
paddle_out2.numpy(), expected_result, rtol=1e-05
)
def run_static(self, use_gpu=False):
with paddle.static.program_guard(paddle.static.Program()):
input = paddle.static.data(
name='input', shape=[10, 10, 5], dtype='float32'
)
expected_result = np.prod(self.input)
result0 = paddle.prod(input=input)
result1 = paddle.prod(input, dim=1)
result2 = paddle.prod(input=input, dim=-1)
result3 = paddle.prod(input, dim=[0, 1])
result4 = paddle.prod(input, dim=1, keepdim=True)
result5 = paddle.prod(input=input, dim=1, dtype='int64')
result6 = paddle.prod(input, dim=1, keepdim=True, dtype='int64')
result7 = paddle.zeros(shape=expected_result.shape, dtype="int64")
paddle.prod(input, dim=1, keepdim=True, dtype='int64', out=result7)
result8 = paddle.zeros(shape=expected_result.shape, dtype="int64")
result9 = paddle.prod(
input, dim=1, keepdim=True, dtype='int64', out=result8
)
place = get_device_place() if use_gpu else paddle.CPUPlace()
exe = paddle.static.Executor(place)
exe.run(paddle.static.default_startup_program())
static_result = exe.run(
feed={"input": self.input},
fetch_list=[
result0,
result1,
result2,
result3,
result4,
result5,
result6,
result7,
result8,
result9,
],
)
np.testing.assert_allclose(
static_result[0], expected_result, rtol=1e-05
)
expected_result = np.prod(self.input, axis=1)
np.testing.assert_allclose(
static_result[1], expected_result, rtol=1e-05
)
expected_result = np.prod(self.input, axis=-1)
np.testing.assert_allclose(
static_result[2], expected_result, rtol=1e-05
)
expected_result = np.prod(self.input, axis=(0, 1))
np.testing.assert_allclose(
static_result[3], expected_result, rtol=1e-05, atol=1e-8
)
expected_result = np.prod(self.input, axis=1, keepdims=True)
np.testing.assert_allclose(
static_result[4], expected_result, rtol=1e-05
)
expected_result = np.prod(self.input, axis=1, dtype=np.int64)
np.testing.assert_allclose(
static_result[5], expected_result, rtol=1e-05
)
expected_result = np.prod(
self.input, axis=1, keepdims=True, dtype=np.int64
)
np.testing.assert_allclose(
static_result[6], expected_result, rtol=1e-05
)
np.testing.assert_allclose(
static_result[7], expected_result, rtol=1e-05
)
np.testing.assert_allclose(
static_result[8], expected_result, rtol=1e-05
)
np.testing.assert_allclose(
static_result[9], expected_result, rtol=1e-05
)
def test_cpu(self):
with dygraph_guard():
self.run_imperative(place=paddle.CPUPlace())
with static_guard():
self.run_static()
def test_gpu(self):
if not (paddle.base.core.is_compiled_with_cuda() or is_custom_device()):
return
with dygraph_guard():
self.run_imperative(place=get_device_place())
with static_guard():
self.run_static()
def test_tensor_prod(self):
"""x.prod(axis=1) is equivalent to x.prod(dim=1)"""
axis_cases = [0, 1, -1]
def run_test_cases(place):
"""Helper function to run test cases on specified device."""
for param_alias in ["axis", "dim"]:
for axis in axis_cases:
input_tensor = paddle.to_tensor(self.input, place=place)
kwargs = {param_alias: axis}
result = input_tensor.prod(**kwargs)
expected = np.prod(self.input, axis=axis)
np.testing.assert_allclose(
(
result.numpy()
if place.is_cpu_place()
else result.cpu().numpy()
),
expected,
rtol=1e-05,
)
with dygraph_guard():
run_test_cases(paddle.CPUPlace())
if paddle.base.core.is_compiled_with_cuda() or is_custom_device():
run_test_cases(get_device_place())
if __name__ == "__main__":
unittest.main()