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paddlepaddle--paddle/test/sot/test_inplace_api.py
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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
from test_case_base import TestCaseBase
import paddle
from paddle.jit.sot import symbolic_translate
from paddle.jit.sot.utils import strict_mode_guard
def simple(x, y):
x[0] = 3.0
z = [y]
y[1] = 5.0
return x[0] + x[1] + z[0][1] + y[0] + y[1]
def inplace_in_if(x, y, z):
if z:
x[0] = 3.0
z = [y]
y[1] = 5.0
ret = x[0] + x[1] + z[0][1] + y[0] + y[1]
return ret
else:
return None
def inplace_in_if_fallback(x, y, z):
if z > 0:
x[0] = 3.0
z = [y]
y[1] = 5.0
ret = x[0] + x[1] + z[0][1] + y[0] + y[1]
return ret
else:
return None
def inplace_in_loop(x, y):
ret = 0
for i in range(10):
x[0] = 1
z = [y]
y[1] = 2 * i + 1
ret += x[0] + x[1] + z[0][1] + y[0] + y[1]
return ret
def inplace_in_loop_fallback(x, y, it):
ret = 0
for i in it:
x[0] = 1
z = [y]
y[1] = 2 * i + 1
ret += x[0] + x[1] + z[0][1] + y[0] + y[1]
return ret
def inplace_case_0(x):
x[:] = 1.0
return x
def inplace_case_1(x):
x[0][0, 0::2] = 1.0
return x
def inplace_case_2(x):
t = x[0]
t[:, 0::2] = t[:, 0::2] * 0
t[:, 1::2] = t[:, 1::2] + 2
return x
class TestInplaceApi(TestCaseBase):
def test_case(self):
self.assert_results(inplace_case_0, paddle.randn((1, 4)))
self.assert_results(inplace_case_1, [paddle.randn((1, 4))])
self.assert_results(inplace_case_2, [paddle.randn((1, 4))])
def test_backward(self):
@symbolic_translate
def func(x):
m = x * 2
n = x * 3
y = m
y[:] = n
return y
x = paddle.ones((1, 4)) * 4
x.stop_gradient = False
y = func(x)
y.sum().backward()
assert (x.grad.numpy() == 3).all()
def test_simple(self):
self.assert_results(
simple, paddle.to_tensor([1.0, 2.0]), paddle.to_tensor([3.0, 4.0])
)
def test_if(self):
self.assert_results(
inplace_in_if,
paddle.to_tensor([1.0, 2.0]),
paddle.to_tensor([3.0, 4.0]),
True,
)
self.assert_results(
inplace_in_if_fallback,
paddle.to_tensor([1.0, 2.0]),
paddle.to_tensor([3.0, 4.0]),
paddle.to_tensor(1),
)
@strict_mode_guard(False)
def test_loop(self):
self.assert_results(
inplace_in_loop,
paddle.to_tensor([1.0, 2.0]),
paddle.to_tensor([3.0, 4.0]),
)
a = range(10)
sym_output = symbolic_translate(inplace_in_loop_fallback)(
paddle.to_tensor([1.0, 2.0]), paddle.to_tensor([3.0, 4.0]), iter(a)
)
paddle_output = inplace_in_loop_fallback(
paddle.to_tensor([1.0, 2.0]), paddle.to_tensor([3.0, 4.0]), iter(a)
)
self.assert_nest_match(sym_output, paddle_output)
if __name__ == "__main__":
unittest.main()