Skip to content
体验新版
项目
组织
正在加载...
登录
切换导航
打开侧边栏
wzpei9
Paddle
提交
8c2eba71
P
Paddle
项目概览
wzpei9
/
Paddle
与 Fork 源项目一致
Fork自
PaddlePaddle / Paddle
通知
1
Star
1
Fork
0
代码
文件
提交
分支
Tags
贡献者
分支图
Diff
Issue
1
列表
看板
标记
里程碑
合并请求
0
Wiki
0
Wiki
分析
仓库
DevOps
项目成员
Pages
P
Paddle
项目概览
项目概览
详情
发布
仓库
仓库
文件
提交
分支
标签
贡献者
分支图
比较
Issue
1
Issue
1
列表
看板
标记
里程碑
合并请求
0
合并请求
0
Pages
分析
分析
仓库分析
DevOps
Wiki
0
Wiki
成员
成员
收起侧边栏
关闭侧边栏
动态
分支图
创建新Issue
提交
Issue看板
体验新版 GitCode,发现更多精彩内容 >>
未验证
提交
8c2eba71
编写于
7月 13, 2018
作者:
Y
yuyang18
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
Refine demo
上级
9a570fb9
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
34 addition
and
9 deletion
+34
-9
paddle/fluid/framework/details/threaded_ssa_graph_executor.cc
...le/fluid/framework/details/threaded_ssa_graph_executor.cc
+7
-1
python/paddle/fluid/tests/demo/pyreader.py
python/paddle/fluid/tests/demo/pyreader.py
+27
-8
未找到文件。
paddle/fluid/framework/details/threaded_ssa_graph_executor.cc
浏览文件 @
8c2eba71
...
...
@@ -168,7 +168,13 @@ void ThreadedSSAGraphExecutor::InsertFetchOps(
for
(
size_t
i
=
0
;
i
<
fetch_tensors
.
size
();
++
i
)
{
auto
&
var_name
=
fetch_tensors
[
i
];
auto
&
vars
=
fetched_vars
.
at
(
var_name
);
auto
fetched_var_it
=
fetched_vars
.
find
(
var_name
);
PADDLE_ENFORCE
(
fetched_var_it
!=
fetched_vars
.
end
(),
"Cannot find fetched variable.(Perhaps the main_program "
"is not set to ParallelExecutor)"
);
auto
&
vars
=
fetched_var_it
->
second
;
auto
*
op
=
new
FetchOpHandle
(
fetch_data
,
i
,
&
local_scopes_
);
fetch_ops
->
emplace_back
(
op
);
...
...
python/paddle/fluid/tests/demo/pyreader.py
浏览文件 @
8c2eba71
...
...
@@ -36,7 +36,7 @@ def network(is_train):
prediction
=
fluid
.
layers
.
fc
(
input
=
hidden
,
size
=
10
,
act
=
'softmax'
)
loss
=
fluid
.
layers
.
cross_entropy
(
input
=
prediction
,
label
=
label
)
return
fluid
.
layers
.
mean
(
loss
),
queue
return
fluid
.
layers
.
mean
(
loss
),
queue
,
reader
def
pipe_reader_to_queue
(
reader_creator
,
queue
):
...
...
@@ -70,27 +70,46 @@ def main():
with
fluid
.
program_guard
(
train_prog
,
startup_prog
):
with
fluid
.
unique_name
.
guard
():
loss
,
train_queue
=
network
(
True
)
loss
,
train_queue
,
train_reader
=
network
(
True
)
adam
=
fluid
.
optimizer
.
Adam
(
learning_rate
=
0.01
)
adam
.
minimize
(
loss
)
test_prog
=
fluid
.
Program
()
with
fluid
.
program_guard
(
test_prog
,
fluid
.
Program
()):
with
fluid
.
unique_name
.
guard
():
test_loss
,
test_queue
=
network
(
False
)
test_loss
,
test_queue
,
test_reader
=
network
(
False
)
fluid
.
Executor
(
fluid
.
CUDAPlace
(
0
)).
run
(
startup_prog
)
trainer
=
fluid
.
ParallelExecutor
(
use_cuda
=
True
,
loss_name
=
loss
.
name
)
tester
=
fluid
.
ParallelExecutor
(
use_cuda
=
True
,
share_vars_from
=
trainer
)
trainer
=
fluid
.
ParallelExecutor
(
use_cuda
=
True
,
loss_name
=
loss
.
name
,
main_program
=
train_prog
)
tester
=
fluid
.
ParallelExecutor
(
use_cuda
=
True
,
share_vars_from
=
trainer
,
main_program
=
test_prog
)
for
epoch_id
in
xrange
(
10
):
pipe_reader_to_queue
(
paddle
.
batch
(
mnist
.
train
(),
32
),
train_queue
)
pipe_reader_to_queue
(
paddle
.
batch
(
mnist
.
test
(),
32
),
test
_queue
)
train_data_thread
=
pipe_reader_to_queue
(
paddle
.
batch
(
mnist
.
train
(),
32
),
train
_queue
)
try
:
print
'train_loss'
,
numpy
.
array
(
trainer
.
run
(
fetch_list
=
[
loss
.
name
]))
while
True
:
print
'train_loss'
,
numpy
.
array
(
trainer
.
run
(
fetch_list
=
[
loss
.
name
]))
except
fluid
.
core
.
EOFException
:
print
'End of epoch'
,
epoch_id
train_reader
.
reset
()
train_data_thread
.
join
()
test_data_thread
=
pipe_reader_to_queue
(
paddle
.
batch
(
mnist
.
train
(),
32
),
test_queue
)
try
:
while
True
:
print
numpy
.
array
(
tester
.
run
(
fetch_list
=
[
test_loss
.
name
]))
except
fluid
.
core
.
EOFException
:
print
'End of testing'
test_reader
.
reset
()
test_data_thread
.
join
()
break
if
__name__
==
'__main__'
:
...
...
编辑
预览
Markdown
is supported
0%
请重试
或
添加新附件
.
添加附件
取消
You are about to add
0
people
to the discussion. Proceed with caution.
先完成此消息的编辑!
取消
想要评论请
注册
或
登录