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523bbcca
编写于
12月 17, 2018
作者:
H
hjchen2
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
Fix winograd if input height != width
上级
ce169c24
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
385 addition
and
66 deletion
+385
-66
src/operators/math/winograd/winograd_transform_f6k3.cpp
src/operators/math/winograd/winograd_transform_f6k3.cpp
+18
-33
src/operators/math/winograd/winograd_transform_f6k3_arm64.cpp
...operators/math/winograd/winograd_transform_f6k3_arm64.cpp
+367
-33
未找到文件。
src/operators/math/winograd/winograd_transform_f6k3.cpp
浏览文件 @
523bbcca
...
...
@@ -327,8 +327,8 @@ void winograd_transform_input<8, 3>(const framework::Tensor &input,
int
channel
=
input
.
dims
()[
1
];
int
height
=
input
.
dims
()[
2
];
int
width
=
input
.
dims
()[
3
];
int
h_tiles
=
(
height
+
3
)
/
6
;
// (height -
8 + 5 + 6
) / 6
int
w_tiles
=
(
width
+
3
)
/
6
;
// (width -
8 + 5 + 6
) / 6
int
h_tiles
=
(
height
+
3
)
/
6
;
// (height -
2 + 5
) / 6
int
w_tiles
=
(
width
+
3
)
/
6
;
// (width -
2 + 5
) / 6
int
tiles
=
(
h_tiles
*
w_tiles
+
7
)
/
8
;
framework
::
DDim
transformed_shape
=
framework
::
make_ddim
(
std
::
vector
<
int
>
{
tiles
,
64
,
channel
,
8
});
...
...
@@ -336,16 +336,10 @@ void winograd_transform_input<8, 3>(const framework::Tensor &input,
memset
(
outptr
,
0
,
output
->
numel
()
*
sizeof
(
float
));
const
float
*
inptr
=
input
.
data
<
float
>
();
int
inter_h
=
(
height
-
2
)
/
6
;
int
inter_w
=
(
width
-
2
)
/
6
;
int
remain_h
=
height
-
(
inter_h
*
6
);
int
remain_w
=
width
-
(
inter_w
*
6
);
height
=
h_tiles
*
6
+
2
;
width
=
w_tiles
*
6
+
2
;
framework
::
Tensor
input_pad
;
if
(
remain_h
>
2
||
remain_w
>
2
)
{
inter_h
+=
(
remain_h
>
2
);
inter_w
+=
(
remain_w
>
2
);
height
=
(
inter_h
-
1
)
*
6
+
8
;
width
=
(
inter_w
-
1
)
*
6
+
8
;
if
(
height
>
input
.
dims
()[
2
]
||
width
>
input
.
dims
()[
3
])
{
framework
::
DDim
input_shape
=
framework
::
make_ddim
(
std
::
vector
<
int
>
{
1
,
channel
,
height
,
width
});
PadFunctor
<
CPU
,
float
>
pad
;
...
...
@@ -878,8 +872,8 @@ void winograd_transform_output<8, 3>(const framework::Tensor &input,
framework
::
Tensor
*
output
)
{
// weight shape is [out_channel/4, 64, in_channel, 4],
// input shape is [hw/8, 64, in_channel, 8]
int
in_channel
=
input
.
dims
()[
2
];
int
tiles
=
input
.
dims
()[
0
];
int
in_channel
=
input
.
dims
()[
2
];
int
out_channel
=
weight
.
dims
()[
0
];
// compute U*V first
...
...
@@ -887,7 +881,6 @@ void winograd_transform_output<8, 3>(const framework::Tensor &input,
framework
::
DDim
shape
=
framework
::
make_ddim
(
std
::
vector
<
int
>
{
out_channel
,
tiles
,
64
,
32
});
float
*
uv_trans_ptr
=
uv_trans
.
mutable_data
<
float
>
(
shape
);
memset
(
uv_trans_ptr
,
0
,
uv_trans
.
numel
()
*
sizeof
(
float
));
const
float
*
input_ptr
=
input
.
data
<
float
>
();
const
float
*
weight_ptr
=
weight
.
data
<
float
>
();
...
...
@@ -910,7 +903,8 @@ void winograd_transform_output<8, 3>(const framework::Tensor &input,
"veor q14, q14, q14
\n
"
"veor q15, q15, q15
\n
"
"b store_res_%=
\n
"
"cmp %[inter_channel], #0
\n
"
"ble loop_1c_%=
\n
"
// loop 2 channels
"loop_2c_%=:
\n
"
"vld1.32 {d0-d3}, [%[w_ptr]]!
\n
"
...
...
@@ -936,13 +930,14 @@ void winograd_transform_output<8, 3>(const framework::Tensor &input,
"subs %[inter_channel], #1
\n
"
"bne loop_2c_%=
\n
"
"mov pc, lr
\n
"
// loop 1 channel
"loop_c_%=:
\n
"
"loop_1c_%=:
\n
"
"cmp %[remain_channel], #0
\n
"
"ble store_res_%=
\n
"
"vld1.32 {d0-d1}, [%[w_ptr]]!
\n
"
"vld1.32 {d4-d7}, [%[in_ptr]]!
\n
"
"vmla.f32 q8, q2, d0[0]
\n
"
"vmla.f32 q9, q3, d0[0]
\n
"
"vmla.f32 q10, q2, d0[1]
\n
"
...
...
@@ -952,28 +947,16 @@ void winograd_transform_output<8, 3>(const framework::Tensor &input,
"vmla.f32 q14, q2, d1[1]
\n
"
"vmla.f32 q15, q3, d1[1]
\n
"
"subs %[remain_channel], #1
\n
"
"bne loop_c_%=
\n
"
"mov pc, lr
\n
"
"store_res_%=:
\n
"
"cmp %[inter_channel], #0
\n
"
"it gt
\n
"
"blgt loop_2c_%=
\n
"
"cmp %[remain_channel], #0
\n
"
"it gt
\n
"
"blgt loop_c_%=
\n
"
"vst1.32 {d16-d19}, [%[uv_ptr]]!
\n
"
"vst1.32 {d20-d23}, [%[uv_ptr]]!
\n
"
"vst1.32 {d24-d27}, [%[uv_ptr]]!
\n
"
"vst1.32 {d28-d31}, [%[uv_ptr]]!
\n
"
:
[
w_ptr
]
"+r"
(
w_ptr
),
[
in_ptr
]
"+r"
(
in_ptr
),
[
uv_ptr
]
"+r"
(
uv_ptr
),
[
remain_channel
]
"+r"
(
remain_channel
),
[
inter_channel
]
"+r"
(
inter_channel
)
:
:
[
remain_channel
]
"r"
(
remain_channel
)
:
"cc"
,
"memory"
,
"q0"
,
"q1"
,
"q2"
,
"q3"
,
"q4"
,
"q5"
,
"q6"
,
"q7"
,
"q8"
,
"q9"
,
"q10"
,
"q11"
,
"q12"
,
"q13"
,
"q14"
,
"q15"
,
"pc"
,
"lr"
);
"q8"
,
"q9"
,
"q10"
,
"q11"
,
"q12"
,
"q13"
,
"q14"
,
"q15"
);
}
}
}
...
...
@@ -1223,8 +1206,10 @@ void winograd_transform_output<8, 3>(const framework::Tensor &input,
"q8"
,
"q9"
,
"q10"
,
"q11"
,
"q12"
,
"q13"
,
"q14"
,
"q15"
);
size_t
offset
=
(
oc
*
out_h
+
6
*
tile_h
)
*
out_w
+
6
*
tile_w
;
float
*
out_ptr
=
output_ptr
+
offset
;
int
remain_row
=
(
tile_h
<
h_tiles
-
1
)
?
6
:
remain_h
;
int
remain_col
=
(
tile_w
<
w_tiles
-
1
)
?
6
:
remain_w
;
int
remain_row
=
out_h
-
6
*
tile_h
;
int
remain_col
=
out_w
-
6
*
tile_w
;
remain_row
=
(
remain_row
>
6
)
?
6
:
remain_row
;
remain_col
=
(
remain_col
>
6
)
?
6
:
remain_col
;
for
(
int
i
=
0
;
i
<
remain_row
;
++
i
,
out_ptr
+=
out_w
)
{
memcpy
(
out_ptr
,
output_tmp
+
i
*
6
,
remain_col
*
sizeof
(
float
));
}
...
...
src/operators/math/winograd/winograd_transform_f6k3_arm64.cpp
浏览文件 @
523bbcca
...
...
@@ -12,14 +12,12 @@ 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. */
//
Inspired by https://arxiv.org/abs/1509.09308 and refered from nnpack and ncnn
//
project.
//
We refer https://github.com/andravin/wincnn to access the winograd transform
//
matrixs
#ifdef CONV_OP
#ifdef __aarch64__
#include "operators/math/pad.h"
#include "operators/math/winograd/winograd_transform.h"
namespace
paddle_mobile
{
...
...
@@ -29,46 +27,382 @@ namespace math {
template
<
>
void
winograd_transform_weight
<
8
,
3
>
(
const
framework
::
Tensor
&
weight
,
framework
::
Tensor
*
output
)
{
/*
* w0 = g0
* w1 = ((g0 + g2) + g1) * (-2.0 / 9)
* w2 = ((g0 + g2) - g1) * (-2.0 / 9)
* w3 = ((g0 + 4 * g2) + 2 * g1) * (1.0 / 90)
* w4 = ((g0 + 4 * g2) - 2 * g1) * (1.0 / 90)
* w5 = ((g2 + 4 * g0) + 2 * g1) * (1.0 / 180)
* w6 = ((g2 + 4 * g0) - 2 * g1) * (1.0 / 180)
* w7 = g2
*/
// TODO(hjchen2)
PADDLE_MOBILE_THROW_EXCEPTION
(
"Winograd for arm v8 has not been implemented."
);
// weight shape is [out_channel, in_channel, kernel_h, kernel_w]
int
out_channel
=
weight
.
dims
()[
0
];
int
in_channel
=
weight
.
dims
()[
1
];
// reshape and alloc transformed weight
framework
::
DDim
transformed_shape
=
framework
::
make_ddim
(
std
::
vector
<
int
>
{
out_channel
,
in_channel
,
64
});
float
*
outptr
=
output
->
mutable_data
<
float
>
(
transformed_shape
);
const
float
*
inptr
=
weight
.
data
<
float
>
();
for
(
int
oc
=
0
;
oc
<
out_channel
;
++
oc
)
{
for
(
int
ic
=
0
;
ic
<
in_channel
;
++
ic
)
{
size_t
offset
=
oc
*
in_channel
+
ic
;
float
*
kout
=
outptr
+
offset
*
64
;
const
float
*
k
=
inptr
+
offset
*
9
;
float
gw
[
3
][
8
];
for
(
int
i
=
0
;
i
<
3
;
++
i
,
k
+=
3
)
{
float
g0
=
k
[
0
];
float
g1
=
k
[
1
];
float
g2
=
k
[
2
];
float
d0
=
g0
+
g2
;
float
d1
=
g0
+
4
*
g2
;
float
d2
=
g2
+
4
*
g0
;
float
d3
=
2
*
g1
;
gw
[
i
][
0
]
=
g0
;
gw
[
i
][
1
]
=
-
2.
f
/
9
*
(
d0
+
g1
);
// -2.f/9 * (g0 + g1 + g2)
gw
[
i
][
2
]
=
-
2.
f
/
9
*
(
d0
-
g1
);
// -2.f/9 * (g0 - g1 + g2)
gw
[
i
][
3
]
=
1.
f
/
90
*
(
d1
+
d3
);
// 1.f/90 * (g0 + 2 * g1 + 4 * g2)
gw
[
i
][
4
]
=
1.
f
/
90
*
(
d1
-
d3
);
// 1.f/90 * (g0 - 2 * g1 + 4 * g2)
gw
[
i
][
5
]
=
1.
f
/
180
*
(
d2
+
d3
);
// 1.f/180 * (4 * g0 + 2 * g1 + g2)
gw
[
i
][
6
]
=
1.
f
/
180
*
(
d2
-
d3
);
// 1.f/180 * (4 * g0 - 2 * g1 + g2)
gw
[
i
][
7
]
=
g2
;
}
for
(
int
i
=
0
;
i
<
8
;
++
i
,
kout
+=
8
)
{
float
g0
=
gw
[
0
][
i
];
float
g1
=
gw
[
1
][
i
];
float
g2
=
gw
[
2
][
i
];
float
d0
=
g0
+
g2
;
float
d1
=
g0
+
4
*
g2
;
float
d2
=
g2
+
4
*
g0
;
float
d3
=
2
*
g1
;
kout
[
0
]
=
g0
;
kout
[
1
]
=
-
2.
f
/
9
*
(
d0
+
g1
);
// -2.f/9 * (k0 + k1 + k2)
kout
[
2
]
=
-
2.
f
/
9
*
(
d0
-
g1
);
// -2.f/9 * (k0 - k1 + k2)
kout
[
3
]
=
1.
f
/
90
*
(
d1
+
d3
);
// 1.f/90 * (k0 + 2 * k1 + 4 * k2)
kout
[
4
]
=
1.
f
/
90
*
(
d1
-
d3
);
// 1.f/90 * (k0 - 2 * k1 + 4 * k2)
kout
[
5
]
=
1.
f
/
180
*
(
d2
+
d3
);
// 8.f/45 * (4 * k0 + 2 * k1 + k2)
kout
[
6
]
=
1.
f
/
180
*
(
d2
-
d3
);
// 8.f/45 * (4 * k0 - 2 * k1 + k2)
kout
[
7
]
=
g2
;
}
}
}
}
template
<
>
void
winograd_transform_input
<
8
,
3
>
(
const
framework
::
Tensor
&
input
,
framework
::
Tensor
*
output
)
{
/*
* x0 = (d0 - d6) + (d4 - d2) * 5.25
* x1 = (d2 + d6) - 4.25 * (d4 + d3) + (d1 + d5)
* x2 = (d2 + d6) - 4.25 * (d4 - d3) - (d1 + d5)
* x3 = (0.25 * d2 - 1.25 * d4 + d6) + (0.5 * d1 - 2.5 * d3 + 2 * d5)
* x4 = (0.25 * d2 - 1.25 * d4 + d6) - (0.5 * d1 - 2.5 * d3 + 2 * d5)
* x5 = (4 * d2 - 5 * d4 + d6) + (2 * d1 - 2.5 * d3 + 0.5 * d5)
* x6 = (4 * d2 - 5 * d4 + d6) - (2 * d1 - 2.5 * d3 + 0.5 * d5)
* x7 = (d7 - d1) + (d3 - d5) * 5.25
*/
// TODO(hjchen2)
PADDLE_MOBILE_THROW_EXCEPTION
(
"Winograd for arm v8 has not been implemented."
);
// tile input to [c, roundup(h/6), roundup(w/6), 64] and do transformation
int
channel
=
input
.
dims
()[
1
];
int
height
=
input
.
dims
()[
2
];
int
width
=
input
.
dims
()[
3
];
int
h_tiles
=
(
height
+
3
)
/
6
;
// (height + 5 - 2) / 6
int
w_tiles
=
(
width
+
3
)
/
6
;
// (width + 5 - 2) / 6
framework
::
DDim
transformed_shape
=
framework
::
make_ddim
(
std
::
vector
<
int
>
{
channel
,
h_tiles
,
w_tiles
,
64
});
float
*
outptr
=
output
->
mutable_data
<
float
>
(
transformed_shape
);
memset
(
outptr
,
0
,
channel
*
h_tiles
*
w_tiles
*
64
*
sizeof
(
float
));
const
float
*
inptr
=
input
.
data
<
float
>
();
// pack input to tiles
for
(
int
c
=
0
;
c
<
channel
;
++
c
)
{
int
inter_h
=
(
height
-
2
)
/
6
;
int
inter_w
=
(
width
-
2
)
/
6
;
int
remain_h
=
height
-
(
inter_h
*
6
);
int
remain_w
=
width
-
(
inter_w
*
6
);
const
float
*
in0
=
inptr
+
c
*
height
*
width
;
const
float
*
in1
=
in0
+
width
;
const
float
*
in2
=
in1
+
width
;
const
float
*
in3
=
in2
+
width
;
const
float
*
in4
=
in3
+
width
;
const
float
*
in5
=
in4
+
width
;
const
float
*
in6
=
in5
+
width
;
const
float
*
in7
=
in6
+
width
;
float
*
out
=
outptr
+
c
*
h_tiles
*
w_tiles
*
64
;
for
(
int
h
=
0
;
h
<
inter_h
;
++
h
)
{
for
(
int
w
=
0
;
w
<
inter_w
;
++
w
)
{
memcpy
(
out
,
in0
,
8
*
sizeof
(
float
));
memcpy
(
out
+
8
,
in1
,
8
*
sizeof
(
float
));
memcpy
(
out
+
16
,
in2
,
8
*
sizeof
(
float
));
memcpy
(
out
+
24
,
in3
,
8
*
sizeof
(
float
));
memcpy
(
out
+
32
,
in4
,
8
*
sizeof
(
float
));
memcpy
(
out
+
40
,
in5
,
8
*
sizeof
(
float
));
memcpy
(
out
+
48
,
in6
,
8
*
sizeof
(
float
));
memcpy
(
out
+
56
,
in7
,
8
*
sizeof
(
float
));
in0
+=
6
;
in1
+=
6
;
in2
+=
6
;
in3
+=
6
;
in4
+=
6
;
in5
+=
6
;
in6
+=
6
;
in7
+=
6
;
out
+=
64
;
}
// remain width
if
(
remain_w
>
2
)
{
memcpy
(
out
,
in0
,
remain_w
*
sizeof
(
float
));
memcpy
(
out
+
8
,
in1
,
remain_w
*
sizeof
(
float
));
memcpy
(
out
+
16
,
in2
,
remain_w
*
sizeof
(
float
));
memcpy
(
out
+
24
,
in3
,
remain_w
*
sizeof
(
float
));
memcpy
(
out
+
32
,
in4
,
remain_w
*
sizeof
(
float
));
memcpy
(
out
+
40
,
in5
,
remain_w
*
sizeof
(
float
));
memcpy
(
out
+
48
,
in6
,
remain_w
*
sizeof
(
float
));
memcpy
(
out
+
56
,
in7
,
remain_w
*
sizeof
(
float
));
out
+=
64
;
}
in0
+=
5
*
width
+
remain_w
;
in1
+=
5
*
width
+
remain_w
;
in2
+=
5
*
width
+
remain_w
;
in3
+=
5
*
width
+
remain_w
;
in4
+=
5
*
width
+
remain_w
;
in5
+=
5
*
width
+
remain_w
;
in6
+=
5
*
width
+
remain_w
;
in7
+=
5
*
width
+
remain_w
;
}
// remain height
if
(
remain_h
>
2
)
{
for
(
int
w
=
0
;
w
<
inter_w
;
++
w
)
{
for
(
int
rh
=
0
;
rh
<
remain_h
;
++
rh
)
{
memcpy
(
out
+
rh
*
8
,
in0
+
rh
*
width
,
8
*
sizeof
(
float
));
}
out
+=
64
;
in0
+=
6
;
}
// remain width
if
(
remain_w
>
2
)
{
for
(
int
rh
=
0
;
rh
<
remain_h
;
++
rh
)
{
memcpy
(
out
+
rh
*
8
,
in0
+
rh
*
width
,
remain_w
*
sizeof
(
float
));
}
}
}
}
// transform tiles, compute B_T * d(c, b) * B
for
(
int
c
=
0
;
c
<
channel
;
++
c
)
{
for
(
int
tile
=
0
;
tile
<
h_tiles
*
w_tiles
;
++
tile
)
{
float
*
out
=
outptr
+
(
c
*
h_tiles
*
w_tiles
+
tile
)
*
64
;
// compute B_T * d(c, b)
float
bd
[
8
][
8
];
for
(
int
i
=
0
;
i
<
8
;
++
i
)
{
float
d0
=
out
[
8
*
i
+
0
];
float
d1
=
out
[
8
*
i
+
1
];
float
d2
=
out
[
8
*
i
+
2
];
float
d3
=
out
[
8
*
i
+
3
];
float
d4
=
out
[
8
*
i
+
4
];
float
d5
=
out
[
8
*
i
+
5
];
float
d6
=
out
[
8
*
i
+
6
];
float
d7
=
out
[
8
*
i
+
7
];
bd
[
i
][
0
]
=
d0
-
d6
+
(
d4
-
d2
)
*
5.25
;
float
v1
=
d2
-
4.25
*
d4
+
d6
;
float
v2
=
d1
-
4.25
*
d3
+
d5
;
// d1 + d2 - 4.25 * d3 - 4.25 * d4 + d5 + d6
bd
[
i
][
1
]
=
v1
+
v2
;
// -d1 + d2 + 4.25 * d3 - 4.25 * d4 - d5 + d6
bd
[
i
][
2
]
=
v1
-
v2
;
v1
=
0.25
*
d2
-
1.25
*
d4
+
d6
;
v2
=
0.5
*
d1
-
2.5
*
d3
+
2
*
d5
;
// 0.5 * d1 + 0.25 * d2 - 2.5 * d3 - 1.25 * d4 + 2 * d5 + d6
bd
[
i
][
3
]
=
v1
+
v2
;
// -0.5 * d1 + 0.25 * d2 + 2.5 * d3 - 1.25 * d4 - 2 * d5 + d6
bd
[
i
][
4
]
=
v1
-
v2
;
v1
=
4
*
d2
-
5
*
d4
+
d6
;
v2
=
2
*
d1
-
2.5
*
d3
+
0.5
*
d5
;
// 2 * d1 + 4 * d2 - 2.5 * d3 - 5 * d4 + 0.5 * d5 + d6
bd
[
i
][
5
]
=
v1
+
v2
;
// -2 * d1 + 4 * d2 + 2.5 * d3 - 5 * d4 - 0.5 * d5 + d6
bd
[
i
][
6
]
=
v1
-
v2
;
bd
[
i
][
7
]
=
d7
-
d1
+
(
d3
-
d5
)
*
5.25
;
}
// compute B_T * d(c, b) * B
for
(
int
i
=
0
;
i
<
8
;
++
i
,
out
+=
8
)
{
float
d0
=
bd
[
0
][
i
];
float
d1
=
bd
[
1
][
i
];
float
d2
=
bd
[
2
][
i
];
float
d3
=
bd
[
3
][
i
];
float
d4
=
bd
[
4
][
i
];
float
d5
=
bd
[
5
][
i
];
float
d6
=
bd
[
6
][
i
];
float
d7
=
bd
[
7
][
i
];
out
[
0
]
=
d0
-
d6
+
(
d4
-
d2
)
*
5.25
;
float
v1
=
d2
-
4.25
*
d4
+
d6
;
float
v2
=
d1
-
4.25
*
d3
+
d5
;
// d1 + d2 - 4.25 * d3 - 4.25 * d4 + d5 + d6
out
[
1
]
=
v1
+
v2
;
// -d1 + d2 + 4.25 * d3 - 4.25 * d4 - d5 + d6
out
[
2
]
=
v1
-
v2
;
v1
=
0.25
*
d2
-
1.25
*
d4
+
d6
;
v2
=
0.5
*
d1
-
2.5
*
d3
+
2
*
d5
;
// 0.5 * d1 + 0.25 * d2 - 2.5 * d3 - 1.25 * d4 + 2 * d5 + d6
out
[
3
]
=
v1
+
v2
;
// -0.5 * d1 + 0.25 * d2 + 2.5 * d3 - 1.25 * d4 - 2 * d5 + d6
out
[
4
]
=
v1
-
v2
;
v1
=
4
*
d2
-
5
*
d4
+
d6
;
v2
=
2
*
d1
-
2.5
*
d3
+
0.5
*
d5
;
// 2 * d1 + 4 * d2 - 2.5 * d3 - 5 * d4 + 0.5 * d5 + d6
out
[
5
]
=
v1
+
v2
;
// -2 * d1 + 4 * d2 + 2.5 * d3 - 5 * d4 - 0.5 * d5 + d6
out
[
6
]
=
v1
-
v2
;
out
[
7
]
=
d7
-
d1
+
(
d3
-
d5
)
*
5.25
;
}
}
}
}
template
<
>
void
winograd_transform_output
<
8
,
3
>
(
const
framework
::
Tensor
&
input
,
const
framework
::
Tensor
&
weight
,
framework
::
Tensor
*
output
)
{
// TODO(hjchen2)
PADDLE_MOBILE_THROW_EXCEPTION
(
"Winograd for arm v8 has not been implemented."
);
// input shape is [in_channel, h_tiles, w_tiles, 64]
// weight shape is [out_channel, in_channel, 64]
int
in_channel
=
input
.
dims
()[
0
];
int
h_tiles
=
input
.
dims
()[
1
];
int
w_tiles
=
input
.
dims
()[
2
];
int
tiles
=
h_tiles
*
w_tiles
;
int
out_channel
=
weight
.
dims
()[
0
];
// compute U*V first
framework
::
Tensor
output_m
;
framework
::
DDim
shape
=
framework
::
make_ddim
(
std
::
vector
<
int
>
{
out_channel
,
tiles
,
64
});
float
*
output_m_ptr
=
output_m
.
mutable_data
<
float
>
(
shape
);
memset
(
output_m_ptr
,
0
,
output_m
.
numel
()
*
sizeof
(
float
));
const
float
*
input_ptr
=
input
.
data
<
float
>
();
const
float
*
weight_ptr
=
weight
.
data
<
float
>
();
for
(
int
i
=
0
;
i
<
out_channel
;
++
i
)
{
for
(
int
j
=
0
;
j
<
tiles
;
++
j
)
{
const
float
*
w_ptr
=
weight_ptr
+
i
*
in_channel
*
64
;
const
float
*
in_ptr
=
input_ptr
+
j
*
64
;
float
*
m_ptr
=
output_m_ptr
+
(
i
*
tiles
+
j
)
*
64
;
for
(
int
c
=
0
;
c
<
in_channel
;
++
c
)
{
for
(
int
k
=
0
;
k
<
64
;
++
k
)
{
m_ptr
[
k
]
+=
w_ptr
[
k
]
*
in_ptr
[
k
];
}
w_ptr
+=
64
;
in_ptr
+=
tiles
*
64
;
}
}
}
for
(
int
oc
=
0
;
oc
<
out_channel
;
++
oc
)
{
for
(
int
tile
=
0
;
tile
<
tiles
;
++
tile
)
{
float
*
m
=
output_m_ptr
+
(
oc
*
tiles
+
tile
)
*
64
;
// compute A_T * m
float
am
[
6
][
8
];
for
(
int
i
=
0
;
i
<
8
;
++
i
)
{
float
d0
=
m
[
i
*
8
+
0
];
float
d1
=
m
[
i
*
8
+
1
];
float
d2
=
m
[
i
*
8
+
2
];
float
d3
=
m
[
i
*
8
+
3
];
float
d4
=
m
[
i
*
8
+
4
];
float
d5
=
m
[
i
*
8
+
5
];
float
d6
=
m
[
i
*
8
+
6
];
float
d7
=
m
[
i
*
8
+
7
];
float
v0
=
d1
+
d2
;
float
v1
=
d1
-
d2
;
float
v2
=
d3
+
d4
;
float
v3
=
d3
-
d4
;
float
v4
=
d5
+
d6
;
float
v5
=
d5
-
d6
;
am
[
0
][
i
]
=
d0
+
v0
+
v2
+
32
*
v4
;
am
[
1
][
i
]
=
v1
+
2
*
v3
+
16
*
v5
;
am
[
2
][
i
]
=
v0
+
4
*
v2
+
8
*
v4
;
am
[
3
][
i
]
=
v1
+
8
*
v3
+
4
*
v5
;
am
[
4
][
i
]
=
v0
+
16
*
v2
+
2
*
v4
;
am
[
5
][
i
]
=
v1
+
32
*
v3
+
v5
+
d7
;
}
// compute A_T * m * A
for
(
int
i
=
0
;
i
<
6
;
++
i
,
m
+=
8
)
{
float
d0
=
am
[
i
][
0
];
float
d1
=
am
[
i
][
1
];
float
d2
=
am
[
i
][
2
];
float
d3
=
am
[
i
][
3
];
float
d4
=
am
[
i
][
4
];
float
d5
=
am
[
i
][
5
];
float
d6
=
am
[
i
][
6
];
float
d7
=
am
[
i
][
7
];
float
v0
=
d1
+
d2
;
float
v1
=
d1
-
d2
;
float
v2
=
d3
+
d4
;
float
v3
=
d3
-
d4
;
float
v4
=
d5
+
d6
;
float
v5
=
d5
-
d6
;
m
[
0
]
=
d0
+
v0
+
v2
+
32
*
v4
;
m
[
1
]
=
v1
+
2
*
v3
+
16
*
v5
;
m
[
2
]
=
v0
+
4
*
v2
+
8
*
v4
;
m
[
3
]
=
v1
+
8
*
v3
+
4
*
v5
;
m
[
4
]
=
v0
+
16
*
v2
+
2
*
v4
;
m
[
5
]
=
v1
+
32
*
v3
+
v5
+
d7
;
}
}
}
int
out_h
=
output
->
dims
()[
2
];
int
out_w
=
output
->
dims
()[
3
];
float
*
output_ptr
=
output
->
mutable_data
<
float
>
();
// copy valid region to final output
for
(
int
oc
=
0
;
oc
<
out_channel
;
++
oc
)
{
int
inter_h
=
out_h
/
6
;
int
inter_w
=
out_w
/
6
;
int
remain_h
=
out_h
-
inter_h
*
6
;
int
remain_w
=
out_w
-
inter_w
*
6
;
float
*
out_ptr0
=
output_ptr
+
oc
*
out_h
*
out_w
;
float
*
out_ptr1
=
out_ptr0
+
out_w
;
float
*
out_ptr2
=
out_ptr1
+
out_w
;
float
*
out_ptr3
=
out_ptr2
+
out_w
;
float
*
out_ptr4
=
out_ptr3
+
out_w
;
float
*
out_ptr5
=
out_ptr4
+
out_w
;
const
float
*
m_ptr
=
output_m_ptr
+
oc
*
tiles
*
64
;
for
(
int
tile_h
=
0
;
tile_h
<
inter_h
;
++
tile_h
)
{
for
(
int
tile_w
=
0
;
tile_w
<
inter_w
;
++
tile_w
)
{
const
float
*
m
=
m_ptr
+
(
tile_h
*
w_tiles
+
tile_w
)
*
64
;
memcpy
(
out_ptr0
,
m
,
6
*
sizeof
(
float
));
memcpy
(
out_ptr1
,
m
+
8
,
6
*
sizeof
(
float
));
memcpy
(
out_ptr2
,
m
+
16
,
6
*
sizeof
(
float
));
memcpy
(
out_ptr3
,
m
+
24
,
6
*
sizeof
(
float
));
memcpy
(
out_ptr4
,
m
+
32
,
6
*
sizeof
(
float
));
memcpy
(
out_ptr5
,
m
+
40
,
6
*
sizeof
(
float
));
out_ptr0
+=
6
;
out_ptr1
+=
6
;
out_ptr2
+=
6
;
out_ptr3
+=
6
;
out_ptr4
+=
6
;
out_ptr5
+=
6
;
}
// remain w
if
(
remain_w
>
0
)
{
const
float
*
m
=
m_ptr
+
(
tile_h
*
w_tiles
+
inter_w
)
*
64
;
memcpy
(
out_ptr0
,
m
,
remain_w
*
sizeof
(
float
));
memcpy
(
out_ptr1
,
m
+
8
,
remain_w
*
sizeof
(
float
));
memcpy
(
out_ptr2
,
m
+
16
,
remain_w
*
sizeof
(
float
));
memcpy
(
out_ptr3
,
m
+
24
,
remain_w
*
sizeof
(
float
));
memcpy
(
out_ptr4
,
m
+
32
,
remain_w
*
sizeof
(
float
));
memcpy
(
out_ptr5
,
m
+
40
,
remain_w
*
sizeof
(
float
));
out_ptr0
+=
remain_w
;
out_ptr1
+=
remain_w
;
out_ptr2
+=
remain_w
;
out_ptr3
+=
remain_w
;
out_ptr4
+=
remain_w
;
out_ptr5
+=
remain_w
;
}
out_ptr0
+=
5
*
out_w
;
out_ptr1
+=
5
*
out_w
;
out_ptr2
+=
5
*
out_w
;
out_ptr3
+=
5
*
out_w
;
out_ptr4
+=
5
*
out_w
;
out_ptr5
+=
5
*
out_w
;
}
// remain h
if
(
remain_h
>
0
)
{
for
(
int
tile_w
=
0
;
tile_w
<
inter_w
;
++
tile_w
)
{
const
float
*
m
=
m_ptr
+
(
inter_h
*
w_tiles
+
tile_w
)
*
64
;
for
(
int
rh
=
0
;
rh
<
remain_h
;
++
rh
)
{
memcpy
(
out_ptr0
+
rh
*
out_w
,
m
+
rh
*
8
,
6
*
sizeof
(
float
));
}
out_ptr0
+=
6
;
}
if
(
remain_w
>
0
)
{
const
float
*
m
=
m_ptr
+
(
inter_h
*
w_tiles
+
inter_w
)
*
64
;
for
(
int
rh
=
0
;
rh
<
remain_h
;
++
rh
)
{
memcpy
(
out_ptr0
+
rh
*
out_w
,
m
+
rh
*
8
,
remain_w
*
sizeof
(
float
));
}
}
}
}
}
}
// namespace math
...
...
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