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体验新版 GitCode,发现更多精彩内容 >>
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5008020d
编写于
3月 20, 2018
作者:
武
武毅
提交者:
GitHub
3月 20, 2018
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差异文件
Merge pull request #9154 from typhoonzero/pserver_parallel
pserver runs in parallel
上级
604a473a
d806fd41
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
99 addition
and
16 deletion
+99
-16
paddle/fluid/operators/listen_and_serv_op.cc
paddle/fluid/operators/listen_and_serv_op.cc
+34
-5
python/paddle/fluid/distribute_transpiler.py
python/paddle/fluid/distribute_transpiler.py
+65
-11
未找到文件。
paddle/fluid/operators/listen_and_serv_op.cc
浏览文件 @
5008020d
...
...
@@ -24,6 +24,7 @@ limitations under the License. */
#include "paddle/fluid/framework/lod_tensor.h"
#include "paddle/fluid/framework/op_registry.h"
#include "paddle/fluid/framework/proto_desc.h"
#include "paddle/fluid/framework/threadpool.h"
#include "paddle/fluid/operators/detail/grpc_server.h"
#include "paddle/fluid/operators/detail/sendrecvop_utils.h"
#include "paddle/fluid/operators/detail/simple_block_queue.h"
...
...
@@ -89,6 +90,10 @@ class ListenAndServOp : public framework::OperatorBase {
auto
*
block
=
Attr
<
framework
::
BlockDesc
*>
(
kOptimizeBlock
);
auto
*
program
=
block
->
Program
();
int
num_blocks
=
program
->
Size
();
PADDLE_ENFORCE_GE
(
num_blocks
,
2
,
"server program should have at least 2 blocks"
);
framework
::
Executor
executor
(
dev_place
);
// TODO(typhoonzero): change this to a while_op for every cluster-batch.
...
...
@@ -132,12 +137,36 @@ class ListenAndServOp : public framework::OperatorBase {
rpc_service_
->
ShutDown
();
break
;
}
try
{
executor
.
Run
(
*
program
,
&
recv_scope
,
block
->
ID
(),
/*global_block*/
false
/*create_local_scope*/
,
false
/*create_vars*/
);
}
catch
(
std
::
exception
&
e
)
{
LOG
(
ERROR
)
<<
"run sub program error "
<<
e
.
what
();
// put optimize blocks in the thread pool to start run, the last block
// should be global ops.
// NOTE: if is_gpu_place, CUDA kernels are laugched by multiple threads
// and this will still work.
std
::
vector
<
std
::
future
<
void
>>
fs
;
// block0 contains only listen_and_serv op, start run from block1.
for
(
int
blkid
=
1
;
blkid
<
num_blocks
-
1
;
++
blkid
)
{
fs
.
push_back
(
framework
::
Async
([
&
executor
,
&
program
,
&
recv_scope
,
blkid
]()
{
int
run_block
=
blkid
;
// thread local
try
{
executor
.
Run
(
*
program
,
&
recv_scope
,
run_block
,
false
/*create_local_scope*/
,
false
/*create_vars*/
);
}
catch
(
std
::
exception
&
e
)
{
LOG
(
ERROR
)
<<
"run sub program error "
<<
e
.
what
();
}
}));
}
for
(
int
i
=
0
;
i
<
num_blocks
-
2
;
++
i
)
fs
[
i
].
wait
();
// Run global block at final step, or block1 if there are only 2 blocks
if
(
num_blocks
>=
2
)
{
try
{
executor
.
Run
(
*
program
,
&
recv_scope
,
num_blocks
-
1
,
false
/*create_local_scope*/
,
false
/*create_vars*/
);
}
catch
(
std
::
exception
&
e
)
{
LOG
(
ERROR
)
<<
"run sub program error "
<<
e
.
what
();
}
}
// Reset the received sparse variables, the sum operator would not
// sum the input sparse variables which rows is empty at the next
// mini-batch.
...
...
python/paddle/fluid/distribute_transpiler.py
浏览文件 @
5008020d
...
...
@@ -307,15 +307,57 @@ class DistributeTranspiler:
# Iterate through the ops, and if an op and the optimize ops
# which located on current pserver are in one set, then
# append it into the sub program.
for
_
,
op
in
enumerate
(
self
.
optimize_ops
):
for
_
,
opt_op
in
enumerate
(
opt_op_on_pserver
):
if
ufind
.
is_connected
(
op
,
opt_op
):
if
self
.
_is_opt_op
(
op
):
self
.
_append_pserver_ops
(
optimize_block
,
op
,
endpoint
,
default_main_program
())
else
:
self
.
_append_pserver_non_opt_ops
(
optimize_block
,
op
)
break
# We try to put optimization program run parallelly, assume
# optimization program always looks like:
#
# prevop -> prevop -> opt op -> following op -> following op; ->
# prevop -> prevop -> opt op -> following op -> following op; ->
# global op -> global op
#
# we put operators that can run parallelly to many program blocks.
# in above example, we seperate ops by the ";". Global ops must run
# after all the optimize ops finished.
global_ops
=
[]
# HACK: optimization global ops only used to scale beta1 and beta2
# replace it with dependency engine.
for
op
in
self
.
optimize_ops
:
if
op
.
type
==
"scale"
:
for
in_name
in
op
.
input_arg_names
:
if
in_name
.
startswith
(
"beta1_pow_acc"
)
or
\
in_name
.
startswith
(
"beta2_pow_acc"
):
global_ops
.
append
(
op
)
def
__append_optimize_op__
(
op
,
block
):
if
self
.
_is_opt_op
(
op
):
self
.
_append_pserver_ops
(
block
,
op
,
endpoint
,
default_main_program
())
else
:
self
.
_append_pserver_non_opt_ops
(
block
,
op
)
# append op to the current block
per_opt_block
=
optimize_block
for
_
,
opt_op
in
enumerate
(
opt_op_on_pserver
):
for
_
,
op
in
enumerate
(
self
.
optimize_ops
):
# optimizer is connected to itself
if
ufind
.
is_connected
(
op
,
opt_op
)
and
\
op
not
in
global_ops
:
__append_optimize_op__
(
op
,
per_opt_block
)
per_opt_block
=
pserver_program
.
create_block
(
0
)
# append global ops
for
glb_op
in
global_ops
:
__append_optimize_op__
(
glb_op
,
per_opt_block
)
# NOT USED: single block version:
#
# for _, op in enumerate(self.optimize_ops):
# for _, opt_op in enumerate(opt_op_on_pserver):
# if ufind.is_connected(op, opt_op):
# __append_optimize_op__(glb_op, optimize_block)
# break
# step5 append the listen_and_serv op
pserver_program
.
global_block
().
append_op
(
type
=
"listen_and_serv"
,
...
...
@@ -660,10 +702,22 @@ class DistributeTranspiler:
# If one op's input is another op's output or
# one op's output is another op's input, we say
# the two operator is connected.
op1_input_names
=
op1
.
desc
.
input_arg_names
()
def
_append_inname_remove_beta
(
varname_list
):
op_input_names
=
[]
for
in_name
in
varname_list
:
# HACK: remove beta1 and beta2 to avoid let all
# ops connected.
if
in_name
.
startswith
(
"beta2_pow_acc"
)
or
\
in_name
.
startswith
(
"beta1_pow_acc"
):
continue
else
:
op_input_names
.
append
(
in_name
)
return
op_input_names
op1_input_names
=
_append_inname_remove_beta
(
op1
.
desc
.
input_arg_names
())
op1_output_names
=
op1
.
desc
.
output_arg_names
()
op2_input_names
=
op2
.
desc
.
input_arg_names
(
)
op2_input_names
=
_append_inname_remove_beta
(
op2
.
desc
.
input_arg_names
()
)
op2_output_names
=
op2
.
desc
.
output_arg_names
()
if
set
(
op1_output_names
)
&
set
(
op2_input_names
)
or
\
...
...
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