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2026-07-13 12:40:42 +08:00

290 lines
8.2 KiB
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 os
import unittest
import numpy as np
from dist_pass_test_base import DistPassTestBase
import paddle
from paddle import ParamAttr, nn
from paddle.distributed import fleet
from paddle.distributed.passes import PassManager, new_pass
from paddle.nn import BatchNorm, Conv2D
from paddle.nn.initializer import Constant, KaimingNormal
paddle.enable_static()
np.random.seed(12345)
paddle.seed(12345)
def skip_unit_test():
return (
not paddle.is_compiled_with_cuda()
or paddle.device.cuda.get_device_capability()[0] < 8
or paddle.get_cudnn_version() < 8900
)
skip_msg = (
"only support with cuda and CUDNN 8.9 or later,"
" and only Ampere or later devices are supported"
)
class ConvBNLayer(nn.Layer):
def __init__(
self,
num_channels,
num_filters,
filter_size,
stride=1,
groups=1,
act=None,
lr_mult=1.0,
data_format="NCHW",
bn_weight_decay=True,
):
super().__init__()
self.act = act
self.conv = Conv2D(
in_channels=num_channels,
out_channels=num_filters,
kernel_size=filter_size,
stride=stride,
padding=(filter_size - 1) // 2,
groups=groups,
weight_attr=ParamAttr(
learning_rate=lr_mult, initializer=KaimingNormal()
),
bias_attr=False,
data_format=data_format,
)
self.bn = BatchNorm(
num_filters,
param_attr=ParamAttr(
learning_rate=lr_mult,
regularizer=(
None if bn_weight_decay else paddle.regularizer.L2Decay(0.0)
),
initializer=Constant(1.0),
),
bias_attr=ParamAttr(
learning_rate=lr_mult,
regularizer=(
None if bn_weight_decay else paddle.regularizer.L2Decay(0.0)
),
initializer=Constant(0.0),
),
data_layout=data_format,
)
self.relu = nn.ReLU()
def forward(self, x):
x = self.conv(x)
x = self.bn(x)
if self.act:
x = self.relu(x)
return x
class BottleneckBlock(nn.Layer):
def __init__(
self,
num_channels,
num_filters,
stride,
shortcut=True,
lr_mult=1.0,
data_format="NCHW",
bn_weight_decay=True,
):
super().__init__()
self.conv0 = ConvBNLayer(
num_channels=num_channels,
num_filters=num_filters,
filter_size=1,
act="relu",
lr_mult=lr_mult,
data_format=data_format,
bn_weight_decay=bn_weight_decay,
)
self.conv1 = ConvBNLayer(
num_channels=num_filters,
num_filters=num_filters,
filter_size=3,
stride=stride,
act="relu",
lr_mult=lr_mult,
data_format=data_format,
bn_weight_decay=bn_weight_decay,
)
self.conv2 = ConvBNLayer(
num_channels=num_filters,
num_filters=num_filters * 4,
filter_size=1,
act=None,
lr_mult=lr_mult,
data_format=data_format,
bn_weight_decay=bn_weight_decay,
)
if not shortcut:
self.short = ConvBNLayer(
num_channels=num_channels,
num_filters=num_filters * 4,
filter_size=1,
stride=stride,
lr_mult=lr_mult,
data_format=data_format,
bn_weight_decay=bn_weight_decay,
)
self.relu = nn.ReLU()
self.shortcut = shortcut
def forward(self, x):
identity = x
x = self.conv0(x)
x = self.conv1(x)
x = self.conv2(x)
if self.shortcut:
short = identity
else:
short = self.short(identity)
x = paddle.add(x=x, y=short)
x = self.relu(x)
return x
class ResUnitNet(nn.Layer):
def __init__(self, shortcut):
super().__init__()
self.shortcut = shortcut
self.conv1 = ConvBNLayer(
num_channels=3,
num_filters=64,
filter_size=3,
act='relu',
data_format='NHWC',
)
self.block = BottleneckBlock(
num_channels=64,
num_filters=16,
stride=1,
shortcut=self.shortcut,
lr_mult=1.0,
data_format="NHWC",
bn_weight_decay=True,
)
self.conv2 = ConvBNLayer(
num_channels=64,
num_filters=64,
filter_size=3,
act='relu',
data_format='NHWC',
)
def forward(self, x):
out = self.conv1(x)
out = self.block(out)
out = self.conv2(out)
out = paddle.flatten(out, 1)
return out
@unittest.skipIf(skip_unit_test(), skip_msg)
class TestFuseResUnitPass(DistPassTestBase):
def init(self):
self.atol = 1e-2
self.rtol = 1e-2
paddle.set_flags({'FLAGS_conv_workspace_size_limit': 1000})
self.init_attr()
def init_attr(self):
self.shortcut = True
def get_model(self, place, batch_size=32, image_shape=[224, 224, 3]):
image = paddle.static.data(
shape=[batch_size, *image_shape], dtype='float32', name='image'
)
model = ResUnitNet(self.shortcut)
pred_out = model(image)
loss = paddle.mean(pred_out)
optimizer = paddle.optimizer.Adam(learning_rate=1e-3)
dist_strategy = fleet.DistributedStrategy()
dist_strategy.fuse_all_reduce_ops = False
dist_strategy.without_graph_optimization = True
dist_strategy.amp = True
dist_strategy.amp_configs = {
"init_loss_scaling": 128.0,
"use_dynamic_loss_scaling": True,
}
build_strategy = paddle.static.BuildStrategy()
settings = {
"fuse_bn_act_ops": False,
"fuse_bn_add_act_ops": False,
"enable_inplace": False,
}
for k, v in settings.items():
setattr(build_strategy, k, v)
dist_strategy.build_strategy = build_strategy
fleet.init(is_collective=True, strategy=dist_strategy)
optimizer = fleet.distributed_optimizer(optimizer)
optimizer.minimize(loss)
rank = paddle.distributed.get_rank()
def reader():
seed = int(os.environ.get("SEED", 0))
np.random.seed(seed + rank)
for _ in range(10):
image_np = np.random.random(size=image.shape).astype('float32')
yield (image_np,)
main_program = paddle.static.default_main_program()
startup_program = paddle.static.default_startup_program()
return main_program, startup_program, [image], [loss], reader
def apply_passes(self, main_prog, startup_prog):
pass_manager = PassManager([new_pass("fuse_resunit")])
pass_manager.apply([main_prog], [startup_prog])
print(pass_manager.names)
op_type = []
for op in main_prog.global_block().ops:
op_type.append(op.type)
self.assertTrue("fused_scale_bias_add_relu" in op_type)
self.assertTrue("fused_scale_bias_relu_conv_bn" in op_type)
self.assertTrue("fused_dconv_drelu_dbn" in op_type)
def test_fuse_resunit(self):
self.check_main()
@unittest.skipIf(skip_unit_test(), skip_msg)
class TestFuseResUnitPassDual(TestFuseResUnitPass):
def init_attr(self):
self.shortcut = False
if __name__ == "__main__":
unittest.main()