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add se resnet 152 profile script #84
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env CUDA_VISIBLE_DEVICES=4 python train.py --use_nccl=False --parallel=False |
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# Copyright (c) 2018 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. | ||
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import os | ||
import time | ||
import argparse | ||
import distutils.util | ||
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import paddle.v2 as paddle | ||
import paddle.fluid as fluid | ||
import paddle.v2.dataset.flowers as flowers | ||
import paddle.fluid.profiler as profiler | ||
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def parse_args(): | ||
parser = argparse.ArgumentParser('SE-ResNeXt-152 parallel profile.') | ||
parser.add_argument('--per_gpu_batch_size', type=int, default=12, help='') | ||
parser.add_argument( | ||
'--skip_first_steps', | ||
type=int, | ||
default=2, | ||
help='The first num of steps to skip, for better performance profile') | ||
parser.add_argument( | ||
'--total_batch_num', | ||
type=int, | ||
default=40, | ||
help='total batch num for per_gpu_batch_size') | ||
parser.add_argument( | ||
'--parallel', | ||
type=distutils.util.strtobool, | ||
default=True, | ||
help='use parallel_do') | ||
parser.add_argument( | ||
'--use_nccl', | ||
type=distutils.util.strtobool, | ||
default=False, | ||
help='use_nccl') | ||
parser.add_argument( | ||
'--use_python_reader', | ||
type=distutils.util.strtobool, | ||
default=True, | ||
help='use python reader to feed data') | ||
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args = parser.parse_args() | ||
return args | ||
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def print_arguments(args): | ||
print('----------- Configuration Arguments -----------') | ||
for arg, value in sorted(vars(args).iteritems()): | ||
print('%s=%s' % (arg, value)) | ||
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def conv_bn_layer(input, num_filters, filter_size, stride=1, groups=1, | ||
act=None): | ||
conv = fluid.layers.conv2d( | ||
input=input, | ||
num_filters=num_filters, | ||
filter_size=filter_size, | ||
stride=stride, | ||
padding=(filter_size - 1) / 2, | ||
groups=groups, | ||
act=None, | ||
bias_attr=False) | ||
return fluid.layers.batch_norm(input=conv, act=act) | ||
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def squeeze_excitation(input, num_channels, reduction_ratio): | ||
pool = fluid.layers.pool2d( | ||
input=input, pool_size=0, pool_type='avg', global_pooling=True) | ||
squeeze = fluid.layers.fc(input=pool, | ||
size=num_channels / reduction_ratio, | ||
act='relu') | ||
excitation = fluid.layers.fc(input=squeeze, | ||
size=num_channels, | ||
act='sigmoid') | ||
scale = fluid.layers.elementwise_mul(x=input, y=excitation, axis=0) | ||
return scale | ||
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def shortcut(input, ch_out, stride): | ||
ch_in = input.shape[1] | ||
if ch_in != ch_out: | ||
if stride == 1: | ||
filter_size = 1 | ||
else: | ||
filter_size = 3 | ||
return conv_bn_layer(input, ch_out, filter_size, stride) | ||
else: | ||
return input | ||
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def bottleneck_block(input, num_filters, stride, cardinality, reduction_ratio): | ||
conv0 = conv_bn_layer( | ||
input=input, num_filters=num_filters, filter_size=1, act='relu') | ||
conv1 = conv_bn_layer( | ||
input=conv0, | ||
num_filters=num_filters, | ||
filter_size=3, | ||
stride=stride, | ||
groups=cardinality, | ||
act='relu') | ||
conv2 = conv_bn_layer( | ||
input=conv1, num_filters=num_filters * 2, filter_size=1, act=None) | ||
scale = squeeze_excitation( | ||
input=conv2, | ||
num_channels=num_filters * 2, | ||
reduction_ratio=reduction_ratio) | ||
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short = shortcut(input, num_filters * 2, stride) | ||
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return fluid.layers.elementwise_add(x=short, y=scale, act='relu') | ||
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def SE_ResNeXt(input, class_dim, infer=False): | ||
cardinality = 64 | ||
reduction_ratio = 16 | ||
depth = [3, 8, 36, 3] | ||
num_filters = [128, 256, 512, 1024] | ||
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conv = conv_bn_layer( | ||
input=input, num_filters=64, filter_size=3, stride=2, act='relu') | ||
conv = conv_bn_layer( | ||
input=conv, num_filters=64, filter_size=3, stride=1, act='relu') | ||
conv = conv_bn_layer( | ||
input=conv, num_filters=128, filter_size=3, stride=1, act='relu') | ||
conv = fluid.layers.pool2d( | ||
input=conv, pool_size=3, pool_stride=2, pool_padding=1, pool_type='max') | ||
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for block in range(len(depth)): | ||
for i in range(depth[block]): | ||
conv = bottleneck_block( | ||
input=conv, | ||
num_filters=num_filters[block], | ||
stride=2 if i == 0 and block != 0 else 1, | ||
cardinality=cardinality, | ||
reduction_ratio=reduction_ratio) | ||
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pool = fluid.layers.pool2d( | ||
input=conv, pool_size=0, pool_type='avg', global_pooling=True) | ||
if not infer: | ||
drop = fluid.layers.dropout(x=pool, dropout_prob=0.2) | ||
else: | ||
drop = pool | ||
out = fluid.layers.fc(input=drop, size=class_dim, act='softmax') | ||
return out | ||
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def time_stamp(): | ||
return int(round(time.time() * 1000)) | ||
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def train(): | ||
args = parse_args() | ||
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cards = os.getenv("CUDA_VISIBLE_DEVICES") or "" | ||
cards_num = len(cards.split(",")) | ||
step_num = args.total_batch_num / cards_num | ||
batch_size = args.per_gpu_batch_size * cards_num | ||
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print_arguments(args) | ||
print("cards_num=" + str(cards_num)) | ||
print("batch_size=" + str(batch_size)) | ||
print("total_batch_num=" + str(args.total_batch_num)) | ||
print("step_num=" + str(step_num)) | ||
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class_dim = 1000 | ||
image_shape = [3, 224, 224] | ||
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image = fluid.layers.data(name='image', shape=image_shape, dtype='float32') | ||
label = fluid.layers.data(name='label', shape=[1], dtype='int64') | ||
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if args.parallel: | ||
places = fluid.layers.get_places() | ||
pd = fluid.layers.ParallelDo(places, use_nccl=args.use_nccl) | ||
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with pd.do(): | ||
image_ = pd.read_input(image) | ||
label_ = pd.read_input(label) | ||
out = SE_ResNeXt(input=image_, class_dim=class_dim) | ||
cost = fluid.layers.cross_entropy(input=out, label=label_) | ||
avg_cost = fluid.layers.mean(x=cost) | ||
accuracy = fluid.layers.accuracy(input=out, label=label_) | ||
pd.write_output(avg_cost) | ||
pd.write_output(accuracy) | ||
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avg_cost, accuracy = pd() | ||
avg_cost = fluid.layers.mean(x=avg_cost) | ||
accuracy = fluid.layers.mean(x=accuracy) | ||
else: | ||
out = SE_ResNeXt(input=image, class_dim=class_dim) | ||
cost = fluid.layers.cross_entropy(input=out, label=label) | ||
avg_cost = fluid.layers.mean(x=cost) | ||
accuracy = fluid.layers.accuracy(input=out, label=label) | ||
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#optimizer = fluid.optimizer.SGD(learning_rate=0.002) | ||
optimizer = fluid.optimizer.Momentum( | ||
learning_rate=fluid.layers.piecewise_decay( | ||
boundaries=[100], values=[0.1, 0.2]), | ||
momentum=0.9, | ||
regularization=fluid.regularizer.L2Decay(1e-4)) | ||
opts = optimizer.minimize(avg_cost) | ||
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# fluid.memory_optimize(fluid.default_main_program()) | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Why do you remove this? There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. add back, I think it's a option for user to test. |
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place = fluid.CUDAPlace(0) | ||
# place = fluid.CPUPlace() | ||
exe = fluid.Executor(place) | ||
exe.run(fluid.default_startup_program()) | ||
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train_reader = paddle.batch(flowers.train(), batch_size=batch_size) | ||
test_reader = paddle.batch(flowers.test(), batch_size=batch_size) | ||
feeder = fluid.DataFeeder(place=place, feed_list=[image, label]) | ||
train_reader_iter = train_reader() | ||
data = train_reader_iter.next() | ||
feed_dict = feeder.feed(data) | ||
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for pass_id in range(1): | ||
with profiler.profiler('All', 'total', '/tmp/profile') as prof: | ||
train_time = 0.0 | ||
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for step_id in range(step_num): | ||
train_start = time.time() | ||
exe.run(fluid.default_main_program(), | ||
feed=feeder.feed(train_reader_iter.next()) | ||
if args.use_python_reader else feed_dict, | ||
fetch_list=[], | ||
use_program_cache=True) | ||
train_stop = time.time() | ||
step_time = train_stop - train_start | ||
if step_id >= args.skip_first_steps: | ||
train_time += step_time | ||
print("step_id=" + str(step_id) + " step_time=" + str( | ||
step_time)) | ||
print("\n\n\n") | ||
calc_step_num = step_num - args.skip_first_steps | ||
print("calc_step_num=" + str(calc_step_num) + " total_train_time=" + | ||
str(train_time) + " ave_step_time=" + str( | ||
float(train_time) / calc_step_num)) | ||
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if __name__ == '__main__': | ||
train() |
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What is
time_stamp
used to do?