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体验新版 GitCode,发现更多精彩内容 >>
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7ad13fbf
编写于
10月 18, 2017
作者:
Q
QI JUN
提交者:
GitHub
10月 18, 2017
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差异文件
Merge pull request #4876 from QiJune/sgd_op_sparse_kernel
add sparse update kernel for sgd operator
上级
c93596d3
f9681459
变更
6
隐藏空白更改
内联
并排
Showing
6 changed file
with
224 addition
and
29 deletion
+224
-29
paddle/operators/sgd_op.cc
paddle/operators/sgd_op.cc
+36
-4
paddle/operators/sgd_op.cu
paddle/operators/sgd_op.cu
+60
-0
paddle/operators/sgd_op.h
paddle/operators/sgd_op.h
+35
-13
paddle/pybind/pybind.cc
paddle/pybind/pybind.cc
+14
-1
python/paddle/v2/framework/tests/test_selected_rows.py
python/paddle/v2/framework/tests/test_selected_rows.py
+12
-11
python/paddle/v2/framework/tests/test_sgd_op.py
python/paddle/v2/framework/tests/test_sgd_op.py
+67
-0
未找到文件。
paddle/operators/sgd_op.cc
浏览文件 @
7ad13fbf
...
@@ -21,7 +21,7 @@ class SGDOp : public framework::OperatorWithKernel {
...
@@ -21,7 +21,7 @@ class SGDOp : public framework::OperatorWithKernel {
public:
public:
using
framework
::
OperatorWithKernel
::
OperatorWithKernel
;
using
framework
::
OperatorWithKernel
::
OperatorWithKernel
;
void
InferShape
(
framework
::
InferShapeContext
*
ctx
)
const
override
{
void
InferShape
(
framework
::
InferShapeContext
*
ctx
)
const
override
{
PADDLE_ENFORCE
(
ctx
->
HasInput
(
"Param"
),
PADDLE_ENFORCE
(
ctx
->
HasInput
(
"Param"
),
"Input(Param) of SGDOp should not be null."
);
"Input(Param) of SGDOp should not be null."
);
PADDLE_ENFORCE
(
ctx
->
HasInput
(
"Grad"
),
PADDLE_ENFORCE
(
ctx
->
HasInput
(
"Grad"
),
...
@@ -35,15 +35,15 @@ class SGDOp : public framework::OperatorWithKernel {
...
@@ -35,15 +35,15 @@ class SGDOp : public framework::OperatorWithKernel {
PADDLE_ENFORCE_EQ
(
framework
::
product
(
lr_dims
),
1
,
PADDLE_ENFORCE_EQ
(
framework
::
product
(
lr_dims
),
1
,
"Learning rate should have 1 element"
);
"Learning rate should have 1 element"
);
auto
param_dim
=
ctx
->
GetInputDim
(
"Param"
);
auto
param_dim
=
ctx
->
GetInputDim
(
"Param"
);
PADDLE_ENFORCE_EQ
(
param_dim
,
ctx
->
GetInputDim
(
"Grad"
),
// TODO(qijun): check dimensions of Param and Grad at complie
"Two input of SGD Op's dimension must be same."
);
// and run time.
ctx
->
SetOutputDim
(
"ParamOut"
,
param_dim
);
ctx
->
SetOutputDim
(
"ParamOut"
,
param_dim
);
}
}
};
};
class
SGDOpMaker
:
public
framework
::
OpProtoAndCheckerMaker
{
class
SGDOpMaker
:
public
framework
::
OpProtoAndCheckerMaker
{
public:
public:
SGDOpMaker
(
framework
::
OpProto
*
proto
,
framework
::
OpAttrChecker
*
op_checker
)
SGDOpMaker
(
framework
::
OpProto
*
proto
,
framework
::
OpAttrChecker
*
op_checker
)
:
OpProtoAndCheckerMaker
(
proto
,
op_checker
)
{
:
OpProtoAndCheckerMaker
(
proto
,
op_checker
)
{
AddInput
(
"Param"
,
"Input parameter"
);
AddInput
(
"Param"
,
"Input parameter"
);
AddInput
(
"LearningRate"
,
"Learning rate of SGD"
);
AddInput
(
"LearningRate"
,
"Learning rate of SGD"
);
...
@@ -58,6 +58,38 @@ param_out = param - learning_rate * grad;
...
@@ -58,6 +58,38 @@ param_out = param - learning_rate * grad;
)DOC"
);
)DOC"
);
}
}
};
};
template
<
typename
T
>
struct
SparseSGDFunctor
<
platform
::
CPUPlace
,
T
>
{
void
operator
()(
const
platform
::
DeviceContext
&
context
,
const
framework
::
SelectedRows
&
input
,
const
framework
::
Tensor
&
learning_rate
,
framework
::
Tensor
*
output
)
{
auto
in_height
=
input
.
height
();
auto
out_dims
=
output
->
dims
();
PADDLE_ENFORCE_EQ
(
in_height
,
out_dims
[
0
]);
auto
&
in_value
=
input
.
value
();
auto
&
in_rows
=
input
.
rows
();
int64_t
in_row_numel
=
in_value
.
numel
()
/
in_rows
.
size
();
PADDLE_ENFORCE_EQ
(
in_row_numel
,
output
->
numel
()
/
in_height
);
auto
*
in_data
=
in_value
.
data
<
T
>
();
auto
*
out_data
=
output
->
data
<
T
>
();
auto
*
lr
=
learning_rate
.
data
<
T
>
();
for
(
size_t
i
=
0
;
i
<
in_rows
.
size
();
i
++
)
{
for
(
int64_t
j
=
0
;
j
<
in_row_numel
;
j
++
)
{
out_data
[
in_rows
[
i
]
*
in_row_numel
+
j
]
-=
lr
[
0
]
*
in_data
[
i
*
in_row_numel
+
j
];
}
}
}
};
template
struct
SparseSGDFunctor
<
platform
::
CPUPlace
,
float
>;
}
// namespace operators
}
// namespace operators
}
// namespace paddle
}
// namespace paddle
...
...
paddle/operators/sgd_op.cu
浏览文件 @
7ad13fbf
...
@@ -14,6 +14,66 @@
...
@@ -14,6 +14,66 @@
#define EIGEN_USE_GPU
#define EIGEN_USE_GPU
#include "paddle/operators/sgd_op.h"
#include "paddle/operators/sgd_op.h"
#include "paddle/platform/cuda_helper.h"
namespace
paddle
{
namespace
operators
{
namespace
{
template
<
typename
T
>
__global__
void
SparseSGDFunctorKernel
(
const
T
*
selected_rows
,
const
int64_t
*
rows
,
const
T
*
learning_rate
,
T
*
tensor_out
,
int64_t
row_numel
,
int
block_size
)
{
const
int
ty
=
blockIdx
.
y
;
int
tid
=
threadIdx
.
x
;
selected_rows
+=
ty
*
row_numel
;
tensor_out
+=
rows
[
ty
]
*
row_numel
;
for
(
int
index
=
tid
;
index
<
row_numel
;
index
+=
block_size
)
{
// Since index in rows of SelectedRows can be duplicate, we have to use
// Atomic Operation to avoid concurrent write error.
paddle
::
platform
::
CudaAtomicAdd
(
tensor_out
+
index
,
-
1.0
*
learning_rate
[
0
]
*
selected_rows
[
index
]);
}
}
}
// namespace
template
<
typename
T
>
struct
SparseSGDFunctor
<
platform
::
GPUPlace
,
T
>
{
void
operator
()(
const
platform
::
DeviceContext
&
context
,
const
framework
::
SelectedRows
&
input
,
const
framework
::
Tensor
&
learning_rate
,
framework
::
Tensor
*
output
)
{
auto
in_height
=
input
.
height
();
auto
out_dims
=
output
->
dims
();
PADDLE_ENFORCE_EQ
(
in_height
,
out_dims
[
0
]);
auto
&
in_value
=
input
.
value
();
auto
&
in_rows
=
input
.
rows
();
int64_t
in_row_numel
=
in_value
.
numel
()
/
in_rows
.
size
();
PADDLE_ENFORCE_EQ
(
in_row_numel
,
output
->
numel
()
/
in_height
);
auto
*
in_data
=
in_value
.
data
<
T
>
();
auto
*
out_data
=
output
->
data
<
T
>
();
int
block_size
=
256
;
dim3
threads
(
block_size
,
1
);
dim3
grid
(
1
,
in_rows
.
size
());
SparseSGDFunctorKernel
<
T
><<<
grid
,
threads
,
0
,
reinterpret_cast
<
const
platform
::
CUDADeviceContext
&>
(
context
)
.
stream
()
>>>
(
in_data
,
in_rows
.
data
(),
learning_rate
.
data
<
T
>
(),
out_data
,
in_row_numel
,
block_size
);
}
};
template
struct
SparseSGDFunctor
<
platform
::
GPUPlace
,
float
>;
}
// namespace operators
}
// namespace paddle
namespace
ops
=
paddle
::
operators
;
namespace
ops
=
paddle
::
operators
;
REGISTER_OP_GPU_KERNEL
(
sgd
,
REGISTER_OP_GPU_KERNEL
(
sgd
,
...
...
paddle/operators/sgd_op.h
浏览文件 @
7ad13fbf
...
@@ -15,31 +15,53 @@ limitations under the License. */
...
@@ -15,31 +15,53 @@ limitations under the License. */
#pragma once
#pragma once
#include "paddle/framework/eigen.h"
#include "paddle/framework/eigen.h"
#include "paddle/framework/op_registry.h"
#include "paddle/framework/op_registry.h"
#include "paddle/framework/selected_rows.h"
namespace
paddle
{
namespace
paddle
{
namespace
operators
{
namespace
operators
{
template
<
typename
Place
,
typename
T
>
struct
SparseSGDFunctor
{
void
operator
()(
const
platform
::
DeviceContext
&
context
,
const
framework
::
SelectedRows
&
input
,
const
framework
::
Tensor
&
learning_rate
,
framework
::
Tensor
*
output
);
};
template
<
typename
Place
,
typename
T
>
template
<
typename
Place
,
typename
T
>
class
SGDOpKernel
:
public
framework
::
OpKernel
<
T
>
{
class
SGDOpKernel
:
public
framework
::
OpKernel
<
T
>
{
public:
public:
void
Compute
(
const
framework
::
ExecutionContext
&
ctx
)
const
override
{
void
Compute
(
const
framework
::
ExecutionContext
&
ctx
)
const
override
{
auto
param
=
ctx
.
Input
<
framework
::
Tensor
>
(
"Param"
);
auto
*
param
=
ctx
.
Input
<
framework
::
Tensor
>
(
"Param"
);
auto
grad
=
ctx
.
Input
<
framework
::
Tensor
>
(
"Grad"
);
auto
*
param_out
=
ctx
.
Output
<
framework
::
Tensor
>
(
"ParamOut"
);
auto
param_out
=
ctx
.
Output
<
framework
::
Tensor
>
(
"ParamOut"
);
auto
*
learning_rate
=
ctx
.
Input
<
framework
::
Tensor
>
(
"LearningRate"
);
auto
learning_rate
=
ctx
.
Input
<
framework
::
Tensor
>
(
"LearningRate"
);
param_out
->
mutable_data
<
T
>
(
ctx
.
GetPlace
());
auto
*
grad_var
=
ctx
.
InputVar
(
"Grad"
);
// Actually, all tensors are LoDTensor except SelectedRows.
if
(
grad_var
->
IsType
<
framework
::
LoDTensor
>
())
{
param_out
->
mutable_data
<
T
>
(
ctx
.
GetPlace
());
auto
*
grad
=
ctx
.
Input
<
framework
::
Tensor
>
(
"Grad"
);
auto
p
=
framework
::
EigenVector
<
T
>::
Flatten
(
*
param
);
auto
p
=
framework
::
EigenVector
<
T
>::
Flatten
(
*
param
);
auto
g
=
framework
::
EigenVector
<
T
>::
Flatten
(
*
grad
);
auto
g
=
framework
::
EigenVector
<
T
>::
Flatten
(
*
grad
);
auto
o
=
framework
::
EigenVector
<
T
>::
Flatten
(
*
param_out
);
auto
o
=
framework
::
EigenVector
<
T
>::
Flatten
(
*
param_out
);
auto
lr
=
framework
::
EigenVector
<
T
>::
Flatten
(
*
learning_rate
);
auto
lr
=
framework
::
EigenVector
<
T
>::
Flatten
(
*
learning_rate
);
auto
place
=
ctx
.
GetEigenDevice
<
Place
>
();
auto
place
=
ctx
.
GetEigenDevice
<
Place
>
();
Eigen
::
DSizes
<
int
,
1
>
grad_dsize
(
grad
->
numel
());
Eigen
::
DSizes
<
int
,
1
>
grad_dsize
(
grad
->
numel
());
o
.
device
(
place
)
=
p
-
lr
.
broadcast
(
grad_dsize
)
*
g
;
o
.
device
(
place
)
=
p
-
lr
.
broadcast
(
grad_dsize
)
*
g
;
}
else
if
(
grad_var
->
IsType
<
framework
::
SelectedRows
>
())
{
// TODO(qijun): In Sparse SGD operator, in-place update is enforced.
// This manual optimization brings difficulty to track data dependency.
// It's better to find a more elegant solution.
PADDLE_ENFORCE_EQ
(
param
,
param_out
);
auto
*
grad
=
ctx
.
Input
<
framework
::
SelectedRows
>
(
"Grad"
);
SparseSGDFunctor
<
Place
,
T
>
functor
;
functor
(
ctx
.
device_context
(),
*
grad
,
*
learning_rate
,
param_out
);
}
else
{
PADDLE_THROW
(
"Unsupported Variable Type of Grad"
);
}
}
}
};
};
}
// namespace operators
}
// namespace operators
}
// namespace paddle
}
// namespace paddle
paddle/pybind/pybind.cc
浏览文件 @
7ad13fbf
...
@@ -154,7 +154,15 @@ PYBIND11_PLUGIN(core) {
...
@@ -154,7 +154,15 @@ PYBIND11_PLUGIN(core) {
py
::
return_value_policy
::
reference
)
py
::
return_value_policy
::
reference
)
.
def
(
"set_height"
,
&
SelectedRows
::
set_height
)
.
def
(
"set_height"
,
&
SelectedRows
::
set_height
)
.
def
(
"height"
,
&
SelectedRows
::
height
)
.
def
(
"height"
,
&
SelectedRows
::
height
)
.
def
(
"set_rows"
,
&
SelectedRows
::
set_rows
)
.
def
(
"set_rows"
,
[](
SelectedRows
&
self
,
std
::
vector
<
int64_t
>
rows
)
{
#ifndef PADDLE_WITH_CUDA
self
.
set_rows
(
rows
);
#else
Vector
<
int64_t
>
new_rows
(
rows
);
self
.
set_rows
(
new_rows
);
#endif
})
.
def
(
"rows"
,
[](
SelectedRows
&
self
)
{
.
def
(
"rows"
,
[](
SelectedRows
&
self
)
{
#ifndef PADDLE_WITH_CUDA
#ifndef PADDLE_WITH_CUDA
return
self
.
rows
();
return
self
.
rows
();
...
@@ -187,6 +195,11 @@ All parameter, weight, gradient are variables in Paddle.
...
@@ -187,6 +195,11 @@ All parameter, weight, gradient are variables in Paddle.
return
self
.
GetMutable
<
LoDTensor
>
();
return
self
.
GetMutable
<
LoDTensor
>
();
},
},
py
::
return_value_policy
::
reference
)
py
::
return_value_policy
::
reference
)
.
def
(
"get_selected_rows"
,
[](
Variable
&
self
)
->
SelectedRows
*
{
return
self
.
GetMutable
<
SelectedRows
>
();
},
py
::
return_value_policy
::
reference
)
.
def
(
"get_net"
,
.
def
(
"get_net"
,
[](
Variable
&
self
)
->
operators
::
NetOp
*
{
[](
Variable
&
self
)
->
operators
::
NetOp
*
{
return
self
.
GetMutable
<
operators
::
NetOp
>
();
return
self
.
GetMutable
<
operators
::
NetOp
>
();
...
...
python/paddle/v2/framework/tests/test_selected_rows.py
浏览文件 @
7ad13fbf
...
@@ -8,29 +8,30 @@ class TestSelectedRows(unittest.TestCase):
...
@@ -8,29 +8,30 @@ class TestSelectedRows(unittest.TestCase):
place
=
core
.
CPUPlace
()
place
=
core
.
CPUPlace
()
height
=
10
height
=
10
rows
=
[
0
,
4
,
7
]
rows
=
[
0
,
4
,
7
]
row_numel
=
1
0
row_numel
=
1
2
sel
cted_rows
=
core
.
SelectedRows
(
rows
,
row_numel
)
sel
ected_rows
=
core
.
SelectedRows
(
rows
,
height
)
np_array
=
np
.
ones
((
len
(
rows
),
height
)).
astype
(
"float32"
)
np_array
=
np
.
ones
((
len
(
rows
),
row_numel
)).
astype
(
"float32"
)
np_array
[
0
,
0
]
=
2.0
np_array
[
0
,
0
]
=
2.0
np_array
[
2
,
8
]
=
4.0
np_array
[
2
,
8
]
=
4.0
tensor
=
selcted_rows
.
get_tensor
()
tensor
=
sel
e
cted_rows
.
get_tensor
()
tensor
.
set
(
np_array
,
place
)
tensor
.
set
(
np_array
,
place
)
# compare rows
# compare rows
self
.
assertEqual
(
0
,
selcted_rows
.
rows
()[
0
])
self
.
assertEqual
(
0
,
sel
e
cted_rows
.
rows
()[
0
])
self
.
assertEqual
(
4
,
selcted_rows
.
rows
()[
1
])
self
.
assertEqual
(
4
,
sel
e
cted_rows
.
rows
()[
1
])
self
.
assertEqual
(
7
,
selcted_rows
.
rows
()[
2
])
self
.
assertEqual
(
7
,
sel
e
cted_rows
.
rows
()[
2
])
# compare height
# compare height
self
.
assertEqual
(
10
,
selcted_rows
.
height
())
self
.
assertEqual
(
10
,
sel
e
cted_rows
.
height
())
# compare tensor
# compare tensor
self
.
assertAlmostEqual
(
2.0
,
self
.
assertAlmostEqual
(
2.0
,
selcted_rows
.
get_tensor
().
get_float_element
(
0
))
sel
e
cted_rows
.
get_tensor
().
get_float_element
(
0
))
self
.
assertAlmostEqual
(
1.0
,
self
.
assertAlmostEqual
(
1.0
,
selcted_rows
.
get_tensor
().
get_float_element
(
1
))
sel
e
cted_rows
.
get_tensor
().
get_float_element
(
1
))
self
.
assertAlmostEqual
(
self
.
assertAlmostEqual
(
4.0
,
selcted_rows
.
get_tensor
().
get_float_element
(
2
*
row_numel
+
8
))
4.0
,
selected_rows
.
get_tensor
().
get_float_element
(
2
*
row_numel
+
8
))
if
__name__
==
"__main__"
:
if
__name__
==
"__main__"
:
...
...
python/paddle/v2/framework/tests/test_sgd_op.py
浏览文件 @
7ad13fbf
import
unittest
import
unittest
import
numpy
as
np
import
numpy
as
np
import
paddle.v2.framework.core
as
core
from
paddle.v2.framework.op
import
Operator
from
op_test
import
OpTest
from
op_test
import
OpTest
...
@@ -17,5 +19,70 @@ class TestSGDOp(OpTest):
...
@@ -17,5 +19,70 @@ class TestSGDOp(OpTest):
self
.
check_output
()
self
.
check_output
()
class
TestSparseSGDOp
(
unittest
.
TestCase
):
def
check_with_place
(
self
,
place
):
scope
=
core
.
Scope
()
# create and initialize Grad Variable
height
=
10
rows
=
[
0
,
4
,
7
]
row_numel
=
12
grad_selected_rows
=
scope
.
var
(
'Grad'
).
get_selected_rows
()
grad_selected_rows
.
set_height
(
height
)
grad_selected_rows
.
set_rows
(
rows
)
np_array
=
np
.
ones
((
len
(
rows
),
row_numel
)).
astype
(
"float32"
)
np_array
[
0
,
0
]
=
2.0
np_array
[
2
,
8
]
=
4.0
grad_tensor
=
grad_selected_rows
.
get_tensor
()
grad_tensor
.
set
(
np_array
,
place
)
# create and initialize Param Variable
param
=
scope
.
var
(
'Param'
).
get_tensor
()
param_array
=
np
.
full
((
height
,
row_numel
),
5.0
).
astype
(
"float32"
)
param
.
set
(
param_array
,
place
)
# create and initialize LeraningRate Variable
lr
=
scope
.
var
(
'LearningRate'
).
get_tensor
()
lr_array
=
np
.
full
((
1
),
2.0
).
astype
(
"float32"
)
lr
.
set
(
lr_array
,
place
)
# create and run sgd operator
sgd_op
=
Operator
(
"sgd"
,
Param
=
'Param'
,
Grad
=
'Grad'
,
ParamOut
=
'Param'
,
LearningRate
=
'LearningRate'
)
ctx
=
core
.
DeviceContext
.
create
(
place
)
sgd_op
.
run
(
scope
,
ctx
)
# get and compare result
result_array
=
np
.
array
(
param
)
# rows[0] = 0, 5.0 - 2.0 * 2.0
self
.
assertAlmostEqual
(
1.0
,
result_array
[
rows
[
0
],
0
])
# rows[0] = 0, 5.0 - 2.0 * 1.0
self
.
assertAlmostEqual
(
3.0
,
result_array
[
rows
[
0
],
2
])
# 5.0 - 2.0 * 0.0
self
.
assertAlmostEqual
(
5.0
,
result_array
[
1
,
0
])
# rows[1] = 4, 5.0 - 2.0 * 1.0
self
.
assertAlmostEqual
(
3.0
,
result_array
[
rows
[
1
],
10
])
# 5.0 - 2.0 * 0.0
self
.
assertAlmostEqual
(
5.0
,
result_array
[
5
,
8
])
# rows[2] = 7, 5.0 - 2.0 * 1.0
self
.
assertAlmostEqual
(
3.0
,
result_array
[
rows
[
2
],
1
])
# rows[2] = 7, 5.0 - 2.0 * 4.0
self
.
assertAlmostEqual
(
-
3.0
,
result_array
[
rows
[
2
],
8
])
def
test_sparse_sgd
(
self
):
places
=
[
core
.
CPUPlace
()]
if
core
.
is_compile_gpu
():
places
.
append
(
core
.
GPUPlace
(
0
))
for
place
in
places
:
self
.
check_with_place
(
place
)
if
__name__
==
"__main__"
:
if
__name__
==
"__main__"
:
unittest
.
main
()
unittest
.
main
()
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