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17009d06
编写于
5月 07, 2018
作者:
T
typhoonzero
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差异文件
workable version
上级
a529d790
变更
4
隐藏空白更改
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Showing
4 changed file
with
98 addition
and
3 deletion
+98
-3
paddle/fluid/operators/CMakeLists.txt
paddle/fluid/operators/CMakeLists.txt
+1
-0
paddle/fluid/operators/test_send_nccl_id.cc
paddle/fluid/operators/test_send_nccl_id.cc
+88
-0
paddle/fluid/platform/nccl_helper.h
paddle/fluid/platform/nccl_helper.h
+4
-3
python/paddle/fluid/parallel_executor.py
python/paddle/fluid/parallel_executor.py
+5
-0
未找到文件。
paddle/fluid/operators/CMakeLists.txt
浏览文件 @
17009d06
...
...
@@ -205,6 +205,7 @@ if(WITH_DISTRIBUTE)
set_source_files_properties
(
send_barrier_op.cc PROPERTIES COMPILE_FLAGS
${
DISTRIBUTE_COMPILE_FLAGS
}
)
set_source_files_properties
(
send_recv_op_test.cc PROPERTIES COMPILE_FLAGS
${
DISTRIBUTE_COMPILE_FLAGS
}
)
cc_test
(
test_send_recv SRCS send_recv_op_test.cc DEPS prefetch_op send_op listen_and_serv_op sum_op executor
)
cc_test
(
test_send_nccl_id SRCS test_send_nccl_id.cc DEPS send_op listen_and_serv_op executor
)
else
()
set
(
DEPS_OPS
${
DEPS_OPS
}
send_op prefetch_op recv_op listen_and_serv_op send_vars_op send_barrier_op gen_nccl_id_op
)
endif
()
...
...
paddle/fluid/operators/test_send_nccl_id.cc
0 → 100644
浏览文件 @
17009d06
/* Copyright (c) 2016 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. */
#include <unistd.h>
#include <string>
#include <thread> // NOLINT
#include "gtest/gtest.h"
#include "paddle/fluid/framework/op_registry.h"
#include "paddle/fluid/framework/operator.h"
#include "paddle/fluid/framework/program_desc.h"
#include "paddle/fluid/operators/detail/grpc_client.h"
#include "paddle/fluid/operators/listen_and_serv_op.h"
#include "paddle/fluid/operators/math/math_function.h"
#include "paddle/fluid/operators/math/selected_rows_functor.h"
#include "paddle/fluid/string/printf.h"
USE_NO_KERNEL_OP
(
listen_and_serv
);
namespace
f
=
paddle
::
framework
;
namespace
p
=
paddle
::
platform
;
namespace
m
=
paddle
::
operators
::
math
;
namespace
detail
=
paddle
::
operators
::
detail
;
namespace
string
=
paddle
::
string
;
std
::
unique_ptr
<
detail
::
AsyncGRPCServer
>
rpc_service
;
void
StartServer
()
{
f
::
Scope
scope
;
p
::
CPUPlace
place
;
scope
.
Var
(
"NCCLID"
);
p
::
DeviceContextPool
&
pool
=
p
::
DeviceContextPool
::
Instance
();
auto
&
dev_ctx
=
*
pool
.
Get
(
p
::
CPUPlace
());
rpc_service
.
reset
(
new
detail
::
AsyncGRPCServer
(
"127.0.0.1:0"
,
true
));
f
::
ProgramDesc
empty_program
;
f
::
Executor
executor
(
dev_ctx
.
GetPlace
());
rpc_service
->
SetScope
(
&
scope
);
rpc_service
->
SetDevCtx
(
&
dev_ctx
);
rpc_service
->
SetProgram
(
&
empty_program
);
rpc_service
->
SetExecutor
(
&
executor
);
std
::
thread
server_thread
(
std
::
bind
(
&
detail
::
AsyncGRPCServer
::
RunSyncUpdate
,
rpc_service
.
get
()));
rpc_service
->
SetCond
(
0
);
auto
recv
=
rpc_service
->
Get
();
LOG
(
INFO
)
<<
"got nccl id and stop server..."
;
rpc_service
->
ShutDown
();
server_thread
.
join
();
}
TEST
(
SendNcclId
,
Normal
)
{
std
::
thread
server_thread
(
StartServer
);
// wait server to start
sleep
(
2
);
f
::
Scope
scope
;
p
::
CPUPlace
place
;
p
::
DeviceContextPool
&
pool
=
p
::
DeviceContextPool
::
Instance
();
auto
&
dev_ctx
=
*
pool
.
Get
(
p
::
CPUPlace
());
auto
var
=
scope
.
Var
(
"NCCLID"
);
// var->SetType(f::proto::VarType_Type_RAW);
auto
id
=
var
->
GetMutable
<
ncclUniqueId
>
();
p
::
dynload
::
ncclGetUniqueId
(
id
);
int
port
=
rpc_service
->
GetSelectedPort
();
std
::
string
ep
=
string
::
Sprintf
(
"127.0.0.1:%d"
,
port
);
detail
::
RPCClient
client
;
client
.
AsyncSendVariable
(
ep
,
dev_ctx
,
scope
,
"NCCLID"
);
client
.
Wait
();
server_thread
.
join
();
auto
*
ptr
=
rpc_service
.
release
();
delete
ptr
;
}
paddle/fluid/platform/nccl_helper.h
浏览文件 @
17009d06
...
...
@@ -14,6 +14,7 @@
#pragma once
#include <stdio.h>
#include <thread> // NOLINT
#include <typeindex>
#include <vector>
...
...
@@ -100,13 +101,13 @@ struct NCCLContextMap {
}
}
else
{
PADDLE_ENFORCE_GT
(
node_count
,
0
);
PADDLE_ENFORCE_EQ
(
node_count
%
places
.
size
(),
0
,
"must have same number of GPUs on each node"
);
// TODO(wuyi): need to ensure each node have same number of GPUs
{
std
::
lock_guard
<
std
::
mutex
>
guard
(
NCCLGroupGuard
::
NCCLMutex
());
int
nranks
=
node_count
*
order_
.
size
();
NCCLGroupGuard
gurad
;
for
(
auto
&
gpu_id
:
order_
)
{
int
rank
=
trainer_id
*
order_
.
size
()
+
gpu_id
;
VLOG
(
3
)
<<
"init nccl rank: "
<<
rank
<<
" nranks: "
<<
nranks
;
PADDLE_ENFORCE
(
cudaSetDevice
(
gpu_id
));
PADDLE_ENFORCE
(
platform
::
dynload
::
ncclCommInitRank
(
comms
.
get
()
+
gpu_id
,
nranks
,
*
nccl_id
,
rank
));
...
...
python/paddle/fluid/parallel_executor.py
浏览文件 @
17009d06
...
...
@@ -53,6 +53,11 @@ class ParallelExecutor(object):
gradients of each device and scaled gradients would be
aggregated. Otherwise, a customized scale value should be fed
to the network.
num_nodes(int, default 0): If greater than 0, NCCL will be
initialized with multpile rank of nodes, each node should have
same number of GPUs. Distributed training will be enabled then.
trainer_id(int, default 0): Must use together with num_nodes.
trainer_id is the "rank" of current node starts from 0.
Returns:
A ParallelExecutor object.
...
...
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