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f2db475a
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体验新版 GitCode,发现更多精彩内容 >>
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f2db475a
编写于
5月 06, 2019
作者:
C
chengduo
提交者:
GitHub
5月 06, 2019
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差异文件
update ParallelExecutor (#17204)
test=develop
上级
950aec55
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
16 addition
and
4 deletion
+16
-4
python/paddle/fluid/parallel_executor.py
python/paddle/fluid/parallel_executor.py
+16
-4
未找到文件。
python/paddle/fluid/parallel_executor.py
浏览文件 @
f2db475a
...
@@ -96,19 +96,31 @@ class ParallelExecutor(object):
...
@@ -96,19 +96,31 @@ class ParallelExecutor(object):
if
build_strategy
is
None
:
if
build_strategy
is
None
:
build_strategy
=
BuildStrategy
()
build_strategy
=
BuildStrategy
()
build_strategy
.
num_trainers
=
num_trainers
build_strategy
.
trainer_id
=
trainer_id
# TODO(paddle-dev): trainer_id and num_trainers should be removed from parameter list.
if
num_trainers
!=
1
and
build_strategy
.
num_trainers
!=
num_trainers
:
sys
.
stderr
.
write
(
'The value of build_strategy.num_trainers[%d] is overwritten '
'by the passed num_trainers[%d].
\n
'
%
(
build_strategy
.
num_trainers
,
num_trainers
))
build_strategy
.
num_trainers
=
num_trainers
if
trainer_id
!=
0
and
build_strategy
.
trainer_id
!=
trainer_id
:
sys
.
stderr
.
write
(
'The value of build_strategy.trainer_id[%d] is overwritten '
'by the passed trainer_id[%d].
\n
'
%
(
build_strategy
.
trainer_id
,
trainer_id
))
build_strategy
.
trainer_id
=
trainer_id
self
.
_places
=
framework
.
cuda_places
(
self
.
_places
=
framework
.
cuda_places
(
)
if
use_cuda
else
framework
.
cpu_places
()
)
if
use_cuda
else
framework
.
cpu_places
()
self
.
_scope
=
scope
if
scope
is
not
None
else
executor
.
global_scope
()
self
.
_scope
=
scope
if
scope
is
not
None
else
executor
.
global_scope
()
if
main_program
is
not
None
and
main_program
.
_enable_dgc
:
if
main_program
is
not
None
and
main_program
.
_enable_dgc
:
assert
num_trainers
>
1
,
"dgc is not useful when num_trainers <= 1"
assert
build_strategy
.
num_trainers
>
1
,
"dgc is not useful when num_trainers <= 1"
assert
build_strategy
.
reduce_strategy
==
BuildStrategy
.
ReduceStrategy
.
AllReduce
,
"dgc
\
assert
build_strategy
.
reduce_strategy
==
BuildStrategy
.
ReduceStrategy
.
AllReduce
,
"dgc
\
only used for allreduce"
only used for allreduce"
assert
num_trainers
*
len
(
assert
build_strategy
.
num_trainers
*
len
(
self
.
_places
)
>
1
,
"dgc is not useful for single card training"
self
.
_places
)
>
1
,
"dgc is not useful for single card training"
assert
use_cuda
,
"dgc only used under cuda"
assert
use_cuda
,
"dgc only used under cuda"
...
...
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