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baea2cf1
编写于
4月 08, 2018
作者:
T
typhoonzero
浏览文件
操作
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电子邮件补丁
差异文件
wip
上级
01c6618d
变更
6
隐藏空白更改
内联
并排
Showing
6 changed file
with
87 addition
and
72 deletion
+87
-72
paddle/fluid/framework/details/CMakeLists.txt
paddle/fluid/framework/details/CMakeLists.txt
+1
-0
paddle/fluid/framework/details/multi_devices_graph_builder.cc
...le/fluid/framework/details/multi_devices_graph_builder.cc
+46
-13
paddle/fluid/framework/details/multi_devices_graph_builder.h
paddle/fluid/framework/details/multi_devices_graph_builder.h
+12
-2
paddle/fluid/framework/details/send_op_handle.cc
paddle/fluid/framework/details/send_op_handle.cc
+13
-50
paddle/fluid/framework/details/send_op_handle.h
paddle/fluid/framework/details/send_op_handle.h
+8
-7
python/paddle/fluid/framework.py
python/paddle/fluid/framework.py
+7
-0
未找到文件。
paddle/fluid/framework/details/CMakeLists.txt
浏览文件 @
baea2cf1
...
...
@@ -5,6 +5,7 @@ cc_library(fetch_op_handle SRCS fetch_op_handle.cc DEPS op_handle_base scope lod
nv_library
(
nccl_all_reduce_op_handle SRCS nccl_all_reduce_op_handle.cc DEPS op_handle_base scope lod_tensor ddim memory
dynload_cuda
)
cc_library
(
computation_op_handle SRCS computation_op_handle.cc DEPS framework_proto scope place operator op_registry
)
cc_library
(
send_op_handle SRCS send_op_handle.cc DEPS framework_proto scope place operator op_registry
)
cc_library
(
ssa_graph SRCS ssa_graph.cc DEPS var_handle op_handle_base
)
cc_library
(
ssa_graph_builder SRCS ssa_graph_builder.cc DEPS ssa_graph
)
...
...
paddle/fluid/framework/details/multi_devices_graph_builder.cc
浏览文件 @
baea2cf1
...
...
@@ -15,6 +15,7 @@
#include "paddle/fluid/framework/details/multi_devices_graph_builder.h"
#include "paddle/fluid/framework/details/computation_op_handle.h"
#include "paddle/fluid/framework/details/scale_loss_grad_op_handle.h"
#include "paddle/fluid/framework/details/send_op_handle.h"
#include "paddle/fluid/framework/scope.h"
#ifdef PADDLE_WITH_CUDA
...
...
@@ -34,26 +35,46 @@ MultiDevSSAGraphBuilder::MultiDevSSAGraphBuilder(
const
std
::
string
&
loss_var_name
,
const
std
::
unordered_set
<
std
::
string
>
&
params
,
const
std
::
vector
<
Scope
*>
&
local_scopes
,
platform
::
NCCLContextMap
*
nccl_ctxs
)
platform
::
NCCLContextMap
*
nccl_ctxs
,
bool
distributed
)
:
loss_var_name_
(
loss_var_name
),
places_
(
places
),
local_scopes_
(
local_scopes
),
distributed_
(
distributed
),
nccl_ctxs_
(
nccl_ctxs
)
{
#else
MultiDevSSAGraphBuilder
::
MultiDevSSAGraphBuilder
(
const
std
::
vector
<
platform
::
Place
>
&
places
,
const
std
::
string
&
loss_var_name
,
const
std
::
unordered_set
<
std
::
string
>
&
params
,
const
std
::
vector
<
Scope
*>
&
local_scopes
)
const
std
::
vector
<
Scope
*>
&
local_scopes
,
bool
distributed
)
:
loss_var_name_
(
loss_var_name
),
places_
(
places
),
local_scopes_
(
local_scopes
)
{
local_scopes_
(
local_scopes
),
distributed_
(
distributed
)
{
#endif
for
(
auto
&
p
:
params
)
{
grad_names_
.
insert
(
GradVarName
(
p
));
}
}
void
MultiDevSSAGraphBuilder
::
CreateOpHandleIOs
(
SSAGraph
*
result
,
OpDesc
*
op
,
const
platform
::
Place
&
p
,
const
size_t
&
i
)
const
{
auto
*
op_handle
=
result
->
ops_
.
back
().
get
();
auto
var_names
=
op
->
InputArgumentNames
();
for
(
auto
&
each_var_name
:
var_names
)
{
VarHandle
*
var
=
CreateOrGetLatestVarHandle
(
result
,
each_var_name
,
p
,
i
);
op_handle
->
AddInput
(
var
);
}
var_names
=
op
->
OutputArgumentNames
();
for
(
auto
&
each_var_name
:
var_names
)
{
CreateOpOutput
(
result
,
op_handle
,
each_var_name
,
p
,
i
);
}
}
std
::
unique_ptr
<
SSAGraph
>
MultiDevSSAGraphBuilder
::
Build
(
const
ProgramDesc
&
program
)
const
{
auto
graph
=
new
SSAGraph
();
...
...
@@ -72,6 +93,17 @@ std::unique_ptr<SSAGraph> MultiDevSSAGraphBuilder::Build(
}
}
// append send op if program is distributed trainer main program.
// always use the first device
if
(
is_forwarding
&&
distributed_
&&
op
->
Type
()
==
"send"
)
{
auto
&
p
=
places_
[
0
];
auto
*
s
=
local_scopes_
[
0
];
size_t
i
=
0
;
result
.
ops_
.
emplace_back
(
new
SendOpHandle
(
*
op
,
s
,
p
));
CreateOpHandleIOs
(
&
result
,
op
,
p
,
i
);
continue
;
}
for
(
size_t
i
=
0
;
i
<
places_
.
size
();
++
i
)
{
auto
&
p
=
places_
[
i
];
auto
*
s
=
local_scopes_
[
i
];
...
...
@@ -81,18 +113,19 @@ std::unique_ptr<SSAGraph> MultiDevSSAGraphBuilder::Build(
op_handle
->
dev_ctxes_
[
p
]
=
const_cast
<
platform
::
DeviceContext
*>
(
platform
::
DeviceContextPool
::
Instance
().
Get
(
p
));
auto
var_names
=
op
->
InputArgumentNames
();
CreateOpHandleIOs
(
&
result
,
op
,
p
,
i
);
// auto var_names = op->InputArgumentNames();
for
(
auto
&
each_var_name
:
var_names
)
{
VarHandle
*
var
=
CreateOrGetLatestVarHandle
(
&
result
,
each_var_name
,
p
,
i
);
op_handle
->
AddInput
(
var
);
}
var_names
=
op
->
OutputArgumentNames
();
//
for (auto &each_var_name : var_names) {
//
VarHandle *var =
//
CreateOrGetLatestVarHandle(&result, each_var_name, p, i);
//
op_handle->AddInput(var);
//
}
auto
var_names
=
op
->
OutputArgumentNames
();
for
(
auto
&
each_var_name
:
var_names
)
{
CreateOpOutput
(
&
result
,
op_handle
,
each_var_name
,
p
,
i
);
}
//
for (auto &each_var_name : var_names) {
//
CreateOpOutput(&result, op_handle, each_var_name, p, i);
//
}
if
(
is_forwarding
)
{
if
(
var_names
.
size
()
==
1
&&
var_names
[
0
]
==
loss_var_name_
)
{
...
...
paddle/fluid/framework/details/multi_devices_graph_builder.h
浏览文件 @
baea2cf1
...
...
@@ -14,6 +14,9 @@
#pragma once
#include <string>
#include <vector>
#include "paddle/fluid/framework/details/ssa_graph_builder.h"
namespace
paddle
{
...
...
@@ -31,21 +34,28 @@ class MultiDevSSAGraphBuilder : public SSAGraphBuilder {
const
std
::
string
&
loss_var_name
,
const
std
::
unordered_set
<
std
::
string
>
&
params
,
const
std
::
vector
<
Scope
*>
&
local_scopes
,
platform
::
NCCLContextMap
*
nccl_ctxs
);
platform
::
NCCLContextMap
*
nccl_ctxs
,
bool
distributed
=
false
);
#else
MultiDevSSAGraphBuilder
(
const
std
::
vector
<
platform
::
Place
>
&
places
,
const
std
::
string
&
loss_var_name
,
const
std
::
unordered_set
<
std
::
string
>
&
params
,
const
std
::
vector
<
Scope
*>
&
local_scopes
);
const
std
::
vector
<
Scope
*>
&
local_scopes
,
bool
distributed
=
false
);
#endif
std
::
unique_ptr
<
SSAGraph
>
Build
(
const
ProgramDesc
&
program
)
const
override
;
private:
void
CreateOpHandleIOs
(
SSAGraph
*
result
,
OpDesc
*
op
,
const
platform
::
Place
&
p
,
const
size_t
&
i
)
const
;
private:
std
::
string
loss_var_name_
;
const
std
::
vector
<
platform
::
Place
>
&
places_
;
const
std
::
vector
<
Scope
*>
&
local_scopes_
;
std
::
unordered_set
<
std
::
string
>
grad_names_
;
bool
distributed_
;
#ifdef PADDLE_WITH_CUDA
platform
::
NCCLContextMap
*
nccl_ctxs_
;
...
...
paddle/fluid/framework/details/send_op_handle.cc
浏览文件 @
baea2cf1
...
...
@@ -18,61 +18,24 @@ namespace paddle {
namespace
framework
{
namespace
details
{
SendOpHandle
::
SendOpHandle
(
const
std
::
vector
<
Scope
*>
&
local_scopes
,
const
std
::
vector
<
platform
::
Place
>
&
places
,
const
platform
::
NCCLContextMap
&
ctxs
)
:
local_scopes_
(
local_scopes
),
places_
(
places
)
{}
SendOpHandle
::
SendOpHandle
(
const
framework
::
OpDesc
&
op_desc
,
const
Scope
*
local_scope
,
const
platform
::
Place
&
place
)
:
op_
(
framework
::
OpRegistry
::
CreateOp
(
op_desc
)),
local_scope_
(
local_scope
),
place_
(
place
)
{}
void
SendOpHandle
::
RunImpl
()
{
if
(
inputs_
.
size
()
==
1
)
{
return
;
// No need to all reduce when GPU count = 1;
}
else
{
// Wait input done
for
(
auto
*
in
:
inputs_
)
{
auto
&
p
=
static_cast
<
VarHandle
*>
(
in
)
->
place_
;
in
->
generated_op_
->
Wait
(
dev_ctxes_
[
p
]);
}
auto
&
var_name
=
static_cast
<
VarHandle
*>
(
this
->
inputs_
[
0
])
->
name_
;
int
dtype
=
-
1
;
size_t
numel
=
0
;
std
::
vector
<
std
::
function
<
void
()
>>
all_reduce_calls
;
for
(
size_t
i
=
0
;
i
<
local_scopes_
.
size
();
++
i
)
{
auto
&
p
=
places_
[
i
];
auto
*
s
=
local_scopes_
[
i
];
int
dev_id
=
boost
::
get
<
platform
::
CUDAPlace
>
(
p
).
device
;
auto
&
lod_tensor
=
s
->
FindVar
(
var_name
)
->
Get
<
LoDTensor
>
();
void
*
buffer
=
const_cast
<
void
*>
(
lod_tensor
.
data
<
void
>
());
if
(
dtype
==
-
1
)
{
dtype
=
platform
::
ToNCCLDataType
(
lod_tensor
.
type
());
}
if
(
numel
==
0
)
{
numel
=
static_cast
<
size_t
>
(
lod_tensor
.
numel
());
}
auto
&
nccl_ctx
=
nccl_ctxs_
.
at
(
dev_id
);
auto
stream
=
nccl_ctx
.
stream
();
auto
comm
=
nccl_ctx
.
comm_
;
all_reduce_calls
.
emplace_back
([
=
]
{
PADDLE_ENFORCE
(
platform
::
dynload
::
ncclAllReduce
(
buffer
,
buffer
,
numel
,
static_cast
<
ncclDataType_t
>
(
dtype
),
ncclSum
,
comm
,
stream
));
});
}
platform
::
NCCLGroupGuard
guard
;
for
(
auto
&
call
:
all_reduce_calls
)
{
call
();
}
// Wait input done
for
(
auto
*
in
:
inputs_
)
{
auto
&
p
=
static_cast
<
VarHandle
*>
(
in
)
->
place_
;
in
->
generated_op_
->
Wait
(
dev_ctxes_
[
p
]);
}
op_
->
Run
(
*
local_scope_
,
place_
);
}
std
::
string
NCCLAllReduceOpHandle
::
Name
()
const
{
return
"nccl_all_reduce
"
;
}
std
::
string
SendOpHandle
::
Name
()
const
{
return
"send
"
;
}
}
// namespace details
}
// namespace framework
}
// namespace paddle
paddle/fluid/framework/details/send_op_handle.h
浏览文件 @
baea2cf1
...
...
@@ -19,6 +19,8 @@
#include "paddle/fluid/framework/details/op_handle_base.h"
#include "paddle/fluid/framework/lod_tensor.h"
#include "paddle/fluid/framework/op_registry.h"
#include "paddle/fluid/framework/operator.h"
#include "paddle/fluid/framework/scope.h"
#include "paddle/fluid/platform/nccl_helper.h"
...
...
@@ -27,19 +29,18 @@ namespace framework {
namespace
details
{
struct
SendOpHandle
:
public
OpHandleBase
{
const
std
::
vector
<
Scope
*>
&
local_scopes
_
;
const
std
::
vector
<
platform
::
Place
>
&
places
_
;
const
platform
::
NCCLContextMap
&
nccl_ctxs
_
;
std
::
unique_ptr
<
OperatorBase
>
op
_
;
const
Scope
*
local_scope
_
;
const
platform
::
Place
&
place
_
;
SendOpHandle
(
const
std
::
vector
<
Scope
*>
&
local_scopes
,
const
std
::
vector
<
platform
::
Place
>
&
places
,
const
platform
::
NCCLContextMap
&
ctxs
);
SendOpHandle
(
const
framework
::
OpDesc
&
op_desc
,
const
Scope
*
local_scope
,
const
platform
::
Place
&
place
);
std
::
string
Name
()
const
override
;
// Delay and buffer nccl_all_reduce together can significantly increase
// performance. Disable this feature by returning false.
bool
IsMultiDeviceTransfer
()
override
{
return
tru
e
;
};
bool
IsMultiDeviceTransfer
()
override
{
return
fals
e
;
};
protected:
void
RunImpl
()
override
;
...
...
python/paddle/fluid/framework.py
浏览文件 @
baea2cf1
...
...
@@ -951,6 +951,13 @@ class Block(object):
if
var
.
type
==
core
.
VarDesc
.
VarType
.
STEP_SCOPES
:
ret_var
=
self
.
create_var
(
name
=
var
.
name
,
persistable
=
var
.
persistable
,
type
=
var
.
type
)
elif
var
.
type
==
core
.
VarDesc
.
VarType
.
SELECTED_ROWS
:
ret_var
=
self
.
create_var
(
name
=
var
.
name
,
shape
=
var
.
shape
,
dtype
=
var
.
dtype
,
type
=
var
.
type
,
persistable
=
True
)
else
:
ret_var
=
self
.
create_var
(
name
=
var
.
name
,
...
...
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