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paddlepaddle--paddle/test/custom_op/test_custom_relu_op_setup.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 os
import site
import sys
import unittest
import numpy as np
from utils import check_output, check_output_allclose
import paddle
from paddle import static
from paddle.utils.cpp_extension.extension_utils import run_cmd
from paddle.vision.transforms import Compose, Normalize
def custom_relu_dynamic(func, device, dtype, np_x, use_func=True):
paddle.set_device(device)
t = paddle.to_tensor(np_x, dtype=dtype)
t.stop_gradient = False
out = func(t) if use_func else paddle.nn.functional.relu(t)
out.stop_gradient = False
out.backward()
if t.grad is None:
return out.numpy(), t.grad
else:
return out.numpy(), t.grad.numpy()
def custom_relu_static(
func, device, dtype, np_x, use_func=True, test_infer=False
):
paddle.enable_static()
paddle.set_device(device)
with (
static.scope_guard(static.Scope()),
paddle.static.program_guard(paddle.static.Program()),
):
x = paddle.static.data(name='X', shape=[None, 8], dtype=dtype)
x.stop_gradient = False
out = func(x) if use_func else paddle.nn.functional.relu(x)
static.append_backward(out)
exe = paddle.static.Executor()
exe.run(paddle.static.default_startup_program())
# in static graph mode, x data has been covered by out
out_v = exe.run(
paddle.static.default_main_program(),
feed={'X': np_x},
fetch_list=[out],
)
paddle.disable_static()
return out_v
def custom_relu_static_inference(func, device, np_data, np_label, path_prefix):
paddle.set_device(device)
with (
static.scope_guard(static.Scope()),
static.program_guard(static.Program()),
):
# simple module
data = static.data(
name='data', shape=[None, 1, 28, 28], dtype='float32'
)
label = static.data(name='label', shape=[None, 1], dtype='int64')
hidden = static.nn.fc(data, size=128)
hidden = func(hidden)
hidden = static.nn.fc(hidden, size=128)
predict = static.nn.fc(hidden, size=10, activation='softmax')
loss = paddle.nn.functional.cross_entropy(input=hidden, label=label)
avg_loss = paddle.mean(loss)
opt = paddle.optimizer.SGD(learning_rate=0.1)
opt.minimize(avg_loss)
# run start up model
exe = static.Executor()
exe.run(static.default_startup_program())
# train
for i in range(4):
avg_loss_v = exe.run(
static.default_main_program(),
feed={'data': np_data, 'label': np_label},
fetch_list=[avg_loss],
)
# save inference model
static.save_inference_model(path_prefix, [data], [predict], exe)
# get train predict value
predict_v = exe.run(
static.default_main_program(),
feed={'data': np_data, 'label': np_label},
fetch_list=[predict],
)
return predict_v
def custom_relu_double_grad_dynamic(func, device, dtype, np_x, use_func=True):
paddle.set_device(device)
t = paddle.to_tensor(np_x, dtype=dtype, stop_gradient=False)
t.retain_grads()
out = func(t) if use_func else paddle.nn.functional.relu(t)
out.retain_grads()
dx = paddle.grad(
outputs=out,
inputs=t,
grad_outputs=paddle.ones_like(t),
create_graph=True,
retain_graph=True,
)
ddout = paddle.grad(
outputs=dx[0],
inputs=out.grad,
grad_outputs=paddle.ones_like(t),
create_graph=False,
)
assert ddout[0].numpy() is not None
return dx[0].numpy(), ddout[0].numpy()
class TestNewCustomOpSetUpInstall(unittest.TestCase):
def setUp(self):
cur_dir = os.path.dirname(os.path.abspath(__file__))
# compile, install the custom op egg into site-packages under background
if os.name == 'nt':
cmd = f'cd /d {cur_dir} && python custom_relu_setup.py install'
else:
site_dir = site.getsitepackages()[0]
cmd = f'cd {cur_dir} && {sys.executable} custom_relu_setup.py install --install-lib={site_dir}'
run_cmd(cmd)
# NOTE(Aurelius84): Normally, it's no need to add following codes for users.
# But we simulate to pip install in current process, so interpreter don't snap
# sys.path has been updated. So we update it manually.
# See: https://stackoverflow.com/questions/56974185/import-runtime-installed-module-using-pip-in-python-3
if os.name == 'nt':
# NOTE(zhouwei25): getsitepackages on windows will return a list: [python install dir, site packages dir]
site_dir = site.getsitepackages()[1]
else:
site_dir = site.getsitepackages()[0]
custom_install_path = [
x for x in os.listdir(site_dir) if 'custom_relu_module_setup' in x
]
assert len(custom_install_path) == 2, (
f"Matched egg number is {len(custom_install_path)}."
)
sys.path.append(os.path.join(site_dir, custom_install_path[0]))
# usage: import the package directly
import custom_relu_module_setup
# `custom_relu_dup` is same as `custom_relu_dup`
self.custom_ops = [
custom_relu_module_setup.custom_relu,
custom_relu_module_setup.custom_relu_dup,
]
self.dtypes = ['float32', 'float64']
if paddle.is_compiled_with_cuda():
self.dtypes.append('float16')
self.devices = ['cpu']
if paddle.is_compiled_with_cuda():
self.devices.append('gpu')
# config seed
SEED = 2021
paddle.seed(SEED)
paddle.framework.random._manual_program_seed(SEED)
def test_all(self):
self._test_static()
self._test_dynamic()
self._test_debug_tools()
self._test_static_save_and_load_inference_model()
self._test_static_save_and_run_inference_predictor()
self._test_double_grad_dynamic()
self._test_with_dataloader()
def _test_static(self):
for device in self.devices:
for dtype in self.dtypes:
if device == 'cpu' and dtype == 'float16':
continue
x = np.random.uniform(-1, 1, [4, 8]).astype(dtype)
for custom_op in self.custom_ops:
out = custom_relu_static(custom_op, device, dtype, x)
pd_out = custom_relu_static(
custom_op, device, dtype, x, False
)
check_output(out, pd_out, "out")
def _test_dynamic(self):
for device in self.devices:
for dtype in self.dtypes:
if device == 'cpu' and dtype == 'float16':
continue
x = np.random.uniform(-1, 1, [4, 8]).astype(dtype)
for custom_op in self.custom_ops:
out, x_grad = custom_relu_dynamic(
custom_op, device, dtype, x
)
pd_out, pd_x_grad = custom_relu_dynamic(
custom_op, device, dtype, x, False
)
check_output(out, pd_out, "out")
check_output(x_grad, pd_x_grad, "x_grad")
def _test_static_save_and_load_inference_model(self):
paddle.enable_static()
np_data = np.random.random((1, 1, 28, 28)).astype("float32")
np_label = np.random.random((1, 1)).astype("int64")
path_prefix = "custom_op_inference/custom_relu"
for device in self.devices:
predict = custom_relu_static_inference(
self.custom_ops[0], device, np_data, np_label, path_prefix
)
# load inference model
with static.scope_guard(static.Scope()):
exe = static.Executor()
[
inference_program,
feed_target_names,
fetch_targets,
] = static.load_inference_model(path_prefix, exe)
predict_infer = exe.run(
inference_program,
feed={feed_target_names[0]: np_data},
fetch_list=fetch_targets,
)
check_output(predict, predict_infer, "predict")
paddle.disable_static()
def _test_static_save_and_run_inference_predictor(self):
paddle.enable_static()
with paddle.pir_utils.OldIrGuard():
np_data = np.random.random((1, 1, 28, 28)).astype("float32")
np_label = np.random.random((1, 1)).astype("int64")
path_prefix = "custom_op_inference/custom_relu"
from paddle.inference import Config, create_predictor
for device in self.devices:
predict = custom_relu_static_inference(
self.custom_ops[0], device, np_data, np_label, path_prefix
)
# load inference model
config = Config(
path_prefix + ".pdmodel", path_prefix + ".pdiparams"
)
predictor = create_predictor(config)
input_tensor = predictor.get_input_handle(
predictor.get_input_names()[0]
)
input_tensor.reshape(np_data.shape)
input_tensor.copy_from_cpu(np_data.copy())
predictor.run()
output_tensor = predictor.get_output_handle(
predictor.get_output_names()[0]
)
predict_infer = output_tensor.copy_to_cpu()
predict = np.array(predict).flatten()
predict_infer = np.array(predict_infer).flatten()
check_output_allclose(predict, predict_infer, "predict")
paddle.disable_static()
def _test_double_grad_dynamic(self):
for device in self.devices:
for dtype in self.dtypes:
if device == 'cpu' and dtype == 'float16':
continue
x = np.random.uniform(-1, 1, [4, 8]).astype(dtype)
out, dx_grad = custom_relu_double_grad_dynamic(
self.custom_ops[0], device, dtype, x
)
pd_out, pd_dx_grad = custom_relu_double_grad_dynamic(
self.custom_ops[0], device, dtype, x, False
)
check_output(out, pd_out, "out")
check_output(dx_grad, pd_dx_grad, "dx_grad")
def _test_with_dataloader(self):
for device in self.devices:
paddle.set_device(device)
# data loader
transform = Compose(
[Normalize(mean=[127.5], std=[127.5], data_format='CHW')]
)
train_dataset = paddle.vision.datasets.MNIST(
mode='train', transform=transform
)
train_loader = paddle.io.DataLoader(
train_dataset,
batch_size=64,
shuffle=True,
drop_last=True,
num_workers=0,
)
for batch_id, (image, _) in enumerate(train_loader()):
image = paddle.to_tensor(image)
out = self.custom_ops[0](image)
pd_out = paddle.nn.functional.relu(image)
check_output(out, pd_out, "out")
if batch_id == 5:
break
def _test_debug_tools(self):
# Test the debug utils on custom op
# It is only necessary to test whether any error occur,
# and there is no need to verify the results
paddle.set_flags(
{"FLAGS_tensor_md5_checksum_output_path": "./tmp_md5.txt"}
)
with (
paddle.utils.capture_forward_subgraph_guard("./tmp_subgraph"),
paddle.utils.capture_backward_subgraph_guard("./tmp_debug_info"),
):
x = paddle.randn([5, 5])
x.stop_gradient = False
y = paddle.randn([5, 5])
y.stop_gradient = False
z = x + y
func = self.custom_ops[0]
out = func(z)
loss = out.sum()
loss.backward()
if __name__ == '__main__':
unittest.main()