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钟尚武
dlib
Commits
c3a9a7c4
Commit
c3a9a7c4
authored
Apr 11, 2016
by
Davis E. King
Browse files
Options
Browse Files
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Plain Diff
Merge pull request #94 from e-fominov/fhog-simd8f
Added simd8 usage on FHOG features computation
parents
7d7c932f
446a06a0
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1 changed file
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288 additions
and
76 deletions
+288
-76
fhog.h
dlib/image_transforms/fhog.h
+288
-76
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dlib/image_transforms/fhog.h
View file @
c3a9a7c4
...
...
@@ -142,7 +142,140 @@ namespace dlib
len
=
select
(
cmp
,
tlen
,
blen
);
}
// ------------------------------------------------------------------------------------
// ------------------------------------------------------------------------------------
template
<
typename
image_type
>
inline
typename
dlib
::
enable_if_c
<
pixel_traits
<
typename
image_type
::
pixel_type
>::
rgb
>::
type
get_gradient
(
const
int
r
,
const
int
c
,
const
image_type
&
img
,
simd8f
&
grad_x
,
simd8f
&
grad_y
,
simd8f
&
len
)
{
simd8i
rleft
((
int
)
img
[
r
][
c
-
1
].
red
,
(
int
)
img
[
r
][
c
].
red
,
(
int
)
img
[
r
][
c
+
1
].
red
,
(
int
)
img
[
r
][
c
+
2
].
red
,
(
int
)
img
[
r
][
c
+
3
].
red
,
(
int
)
img
[
r
][
c
+
4
].
red
,
(
int
)
img
[
r
][
c
+
5
].
red
,
(
int
)
img
[
r
][
c
+
6
].
red
);
simd8i
rright
((
int
)
img
[
r
][
c
+
1
].
red
,
(
int
)
img
[
r
][
c
+
2
].
red
,
(
int
)
img
[
r
][
c
+
3
].
red
,
(
int
)
img
[
r
][
c
+
4
].
red
,
(
int
)
img
[
r
][
c
+
5
].
red
,
(
int
)
img
[
r
][
c
+
6
].
red
,
(
int
)
img
[
r
][
c
+
7
].
red
,
(
int
)
img
[
r
][
c
+
8
].
red
);
simd8i
rtop
((
int
)
img
[
r
-
1
][
c
].
red
,
(
int
)
img
[
r
-
1
][
c
+
1
].
red
,
(
int
)
img
[
r
-
1
][
c
+
2
].
red
,
(
int
)
img
[
r
-
1
][
c
+
3
].
red
,
(
int
)
img
[
r
-
1
][
c
+
4
].
red
,
(
int
)
img
[
r
-
1
][
c
+
5
].
red
,
(
int
)
img
[
r
-
1
][
c
+
6
].
red
,
(
int
)
img
[
r
-
1
][
c
+
7
].
red
);
simd8i
rbottom
((
int
)
img
[
r
+
1
][
c
].
red
,
(
int
)
img
[
r
+
1
][
c
+
1
].
red
,
(
int
)
img
[
r
+
1
][
c
+
2
].
red
,
(
int
)
img
[
r
+
1
][
c
+
3
].
red
,
(
int
)
img
[
r
+
1
][
c
+
4
].
red
,
(
int
)
img
[
r
+
1
][
c
+
5
].
red
,
(
int
)
img
[
r
+
1
][
c
+
6
].
red
,
(
int
)
img
[
r
+
1
][
c
+
7
].
red
);
simd8i
gleft
((
int
)
img
[
r
][
c
-
1
].
green
,
(
int
)
img
[
r
][
c
].
green
,
(
int
)
img
[
r
][
c
+
1
].
green
,
(
int
)
img
[
r
][
c
+
2
].
green
,
(
int
)
img
[
r
][
c
+
3
].
green
,
(
int
)
img
[
r
][
c
+
4
].
green
,
(
int
)
img
[
r
][
c
+
5
].
green
,
(
int
)
img
[
r
][
c
+
6
].
green
);
simd8i
gright
((
int
)
img
[
r
][
c
+
1
].
green
,
(
int
)
img
[
r
][
c
+
2
].
green
,
(
int
)
img
[
r
][
c
+
3
].
green
,
(
int
)
img
[
r
][
c
+
4
].
green
,
(
int
)
img
[
r
][
c
+
5
].
green
,
(
int
)
img
[
r
][
c
+
6
].
green
,
(
int
)
img
[
r
][
c
+
7
].
green
,
(
int
)
img
[
r
][
c
+
8
].
green
);
simd8i
gtop
((
int
)
img
[
r
-
1
][
c
].
green
,
(
int
)
img
[
r
-
1
][
c
+
1
].
green
,
(
int
)
img
[
r
-
1
][
c
+
2
].
green
,
(
int
)
img
[
r
-
1
][
c
+
3
].
green
,
(
int
)
img
[
r
-
1
][
c
+
4
].
green
,
(
int
)
img
[
r
-
1
][
c
+
5
].
green
,
(
int
)
img
[
r
-
1
][
c
+
6
].
green
,
(
int
)
img
[
r
-
1
][
c
+
7
].
green
);
simd8i
gbottom
((
int
)
img
[
r
+
1
][
c
].
green
,
(
int
)
img
[
r
+
1
][
c
+
1
].
green
,
(
int
)
img
[
r
+
1
][
c
+
2
].
green
,
(
int
)
img
[
r
+
1
][
c
+
3
].
green
,
(
int
)
img
[
r
+
1
][
c
+
4
].
green
,
(
int
)
img
[
r
+
1
][
c
+
5
].
green
,
(
int
)
img
[
r
+
1
][
c
+
6
].
green
,
(
int
)
img
[
r
+
1
][
c
+
7
].
green
);
simd8i
bleft
((
int
)
img
[
r
][
c
-
1
].
blue
,
(
int
)
img
[
r
][
c
].
blue
,
(
int
)
img
[
r
][
c
+
1
].
blue
,
(
int
)
img
[
r
][
c
+
2
].
blue
,
(
int
)
img
[
r
][
c
+
3
].
blue
,
(
int
)
img
[
r
][
c
+
4
].
blue
,
(
int
)
img
[
r
][
c
+
5
].
blue
,
(
int
)
img
[
r
][
c
+
6
].
blue
);
simd8i
bright
((
int
)
img
[
r
][
c
+
1
].
blue
,
(
int
)
img
[
r
][
c
+
2
].
blue
,
(
int
)
img
[
r
][
c
+
3
].
blue
,
(
int
)
img
[
r
][
c
+
4
].
blue
,
(
int
)
img
[
r
][
c
+
5
].
blue
,
(
int
)
img
[
r
][
c
+
6
].
blue
,
(
int
)
img
[
r
][
c
+
7
].
blue
,
(
int
)
img
[
r
][
c
+
8
].
blue
);
simd8i
btop
((
int
)
img
[
r
-
1
][
c
].
blue
,
(
int
)
img
[
r
-
1
][
c
+
1
].
blue
,
(
int
)
img
[
r
-
1
][
c
+
2
].
blue
,
(
int
)
img
[
r
-
1
][
c
+
3
].
blue
,
(
int
)
img
[
r
-
1
][
c
+
4
].
blue
,
(
int
)
img
[
r
-
1
][
c
+
5
].
blue
,
(
int
)
img
[
r
-
1
][
c
+
6
].
blue
,
(
int
)
img
[
r
-
1
][
c
+
7
].
blue
);
simd8i
bbottom
((
int
)
img
[
r
+
1
][
c
].
blue
,
(
int
)
img
[
r
+
1
][
c
+
1
].
blue
,
(
int
)
img
[
r
+
1
][
c
+
2
].
blue
,
(
int
)
img
[
r
+
1
][
c
+
3
].
blue
,
(
int
)
img
[
r
+
1
][
c
+
4
].
blue
,
(
int
)
img
[
r
+
1
][
c
+
5
].
blue
,
(
int
)
img
[
r
+
1
][
c
+
6
].
blue
,
(
int
)
img
[
r
+
1
][
c
+
7
].
blue
);
simd8i
grad_x_red
=
rright
-
rleft
;
simd8i
grad_y_red
=
rbottom
-
rtop
;
simd8i
grad_x_green
=
gright
-
gleft
;
simd8i
grad_y_green
=
gbottom
-
gtop
;
simd8i
grad_x_blue
=
bright
-
bleft
;
simd8i
grad_y_blue
=
bbottom
-
btop
;
simd8i
rlen
=
grad_x_red
*
grad_x_red
+
grad_y_red
*
grad_y_red
;
simd8i
glen
=
grad_x_green
*
grad_x_green
+
grad_y_green
*
grad_y_green
;
simd8i
blen
=
grad_x_blue
*
grad_x_blue
+
grad_y_blue
*
grad_y_blue
;
simd8i
cmp
=
rlen
>
glen
;
simd8i
tgrad_x
=
select
(
cmp
,
grad_x_red
,
grad_x_green
);
simd8i
tgrad_y
=
select
(
cmp
,
grad_y_red
,
grad_y_green
);
simd8i
tlen
=
select
(
cmp
,
rlen
,
glen
);
cmp
=
tlen
>
blen
;
grad_x
=
select
(
cmp
,
tgrad_x
,
grad_x_blue
);
grad_y
=
select
(
cmp
,
tgrad_y
,
grad_y_blue
);
len
=
select
(
cmp
,
tlen
,
blen
);
}
// ------------------------------------------------------------------------------------
template
<
typename
image_type
,
typename
T
>
inline
typename
dlib
::
disable_if_c
<
pixel_traits
<
typename
image_type
::
pixel_type
>::
rgb
>::
type
get_gradient
(
...
...
@@ -192,7 +325,59 @@ namespace dlib
len
=
(
grad_x
*
grad_x
+
grad_y
*
grad_y
);
}
// ------------------------------------------------------------------------------------
// ------------------------------------------------------------------------------------
template
<
typename
image_type
>
inline
typename
dlib
::
disable_if_c
<
pixel_traits
<
typename
image_type
::
pixel_type
>::
rgb
>::
type
get_gradient
(
int
r
,
int
c
,
const
image_type
&
img
,
simd8f
&
grad_x
,
simd8f
&
grad_y
,
simd8f
&
len
)
{
simd8i
left
((
int
)
get_pixel_intensity
(
img
[
r
][
c
-
1
]),
(
int
)
get_pixel_intensity
(
img
[
r
][
c
]),
(
int
)
get_pixel_intensity
(
img
[
r
][
c
+
1
]),
(
int
)
get_pixel_intensity
(
img
[
r
][
c
+
2
]),
(
int
)
get_pixel_intensity
(
img
[
r
][
c
+
3
]),
(
int
)
get_pixel_intensity
(
img
[
r
][
c
+
4
]),
(
int
)
get_pixel_intensity
(
img
[
r
][
c
+
5
]),
(
int
)
get_pixel_intensity
(
img
[
r
][
c
+
6
]));
simd8i
right
((
int
)
get_pixel_intensity
(
img
[
r
][
c
+
1
]),
(
int
)
get_pixel_intensity
(
img
[
r
][
c
+
2
]),
(
int
)
get_pixel_intensity
(
img
[
r
][
c
+
3
]),
(
int
)
get_pixel_intensity
(
img
[
r
][
c
+
4
]),
(
int
)
get_pixel_intensity
(
img
[
r
][
c
+
5
]),
(
int
)
get_pixel_intensity
(
img
[
r
][
c
+
6
]),
(
int
)
get_pixel_intensity
(
img
[
r
][
c
+
7
]),
(
int
)
get_pixel_intensity
(
img
[
r
][
c
+
8
]));
simd8i
top
((
int
)
get_pixel_intensity
(
img
[
r
-
1
][
c
]),
(
int
)
get_pixel_intensity
(
img
[
r
-
1
][
c
+
1
]),
(
int
)
get_pixel_intensity
(
img
[
r
-
1
][
c
+
2
]),
(
int
)
get_pixel_intensity
(
img
[
r
-
1
][
c
+
3
]),
(
int
)
get_pixel_intensity
(
img
[
r
-
1
][
c
+
4
]),
(
int
)
get_pixel_intensity
(
img
[
r
-
1
][
c
+
5
]),
(
int
)
get_pixel_intensity
(
img
[
r
-
1
][
c
+
6
]),
(
int
)
get_pixel_intensity
(
img
[
r
-
1
][
c
+
7
]));
simd8i
bottom
((
int
)
get_pixel_intensity
(
img
[
r
+
1
][
c
]),
(
int
)
get_pixel_intensity
(
img
[
r
+
1
][
c
+
1
]),
(
int
)
get_pixel_intensity
(
img
[
r
+
1
][
c
+
2
]),
(
int
)
get_pixel_intensity
(
img
[
r
+
1
][
c
+
3
]),
(
int
)
get_pixel_intensity
(
img
[
r
+
1
][
c
+
4
]),
(
int
)
get_pixel_intensity
(
img
[
r
+
1
][
c
+
5
]),
(
int
)
get_pixel_intensity
(
img
[
r
+
1
][
c
+
6
]),
(
int
)
get_pixel_intensity
(
img
[
r
+
1
][
c
+
7
]));
grad_x
=
right
-
left
;
grad_y
=
bottom
-
top
;
len
=
(
grad_x
*
grad_x
+
grad_y
*
grad_y
);
}
// ------------------------------------------------------------------------------------
template
<
typename
T
,
typename
mm1
,
typename
mm2
>
inline
void
set_hog
(
...
...
@@ -376,43 +561,50 @@ namespace dlib
for
(
int
y
=
1
;
y
<
visible_nr
;
y
++
)
{
int
x
;
for
(
x
=
1
;
x
<
visible_nc
-
3
;
x
+=
4
)
for
(
x
=
1
;
x
<
visible_nc
-
7
;
x
+=
8
)
{
// v will be the length of the gradient vectors.
simd
4
f
grad_x
,
grad_y
,
v
;
get_gradient
(
y
,
x
,
img
,
grad_x
,
grad_y
,
v
);
simd
8
f
grad_x
,
grad_y
,
v
;
get_gradient
(
y
,
x
,
img
,
grad_x
,
grad_y
,
v
);
float
_vv
[
4
];
v
.
store
(
_vv
);
// Now snap the gradient to one of 18 orientations
simd
4
f
best_dot
=
0
;
simd
4
f
best_o
=
0
;
for
(
int
o
=
0
;
o
<
9
;
o
++
)
simd
8
f
best_dot
=
0
;
simd
8
f
best_o
=
0
;
for
(
int
o
=
0
;
o
<
9
;
o
++
)
{
simd
4
f
dot
=
grad_x
*
directions
[
o
](
0
)
+
grad_y
*
directions
[
o
](
1
);
simd
4
f_bool
cmp
=
dot
>
best_dot
;
best_dot
=
select
(
cmp
,
dot
,
best_dot
);
simd
8
f
dot
=
grad_x
*
directions
[
o
](
0
)
+
grad_y
*
directions
[
o
](
1
);
simd
8
f_bool
cmp
=
dot
>
best_dot
;
best_dot
=
select
(
cmp
,
dot
,
best_dot
);
dot
*=
-
1
;
best_o
=
select
(
cmp
,
o
,
best_o
);
best_o
=
select
(
cmp
,
o
,
best_o
);
cmp
=
dot
>
best_dot
;
best_dot
=
select
(
cmp
,
dot
,
best_dot
);
best_o
=
select
(
cmp
,
o
+
9
,
best_o
);
cmp
=
dot
>
best_dot
;
best_dot
=
select
(
cmp
,
dot
,
best_dot
);
best_o
=
select
(
cmp
,
o
+
9
,
best_o
);
}
int32
_best_o
[
4
];
simd4i
(
best_o
).
store
(
_best_o
);
norm
[
y
][
x
+
0
]
=
_vv
[
0
];
norm
[
y
][
x
+
1
]
=
_vv
[
1
];
norm
[
y
][
x
+
2
]
=
_vv
[
2
];
norm
[
y
][
x
+
3
]
=
_vv
[
3
];
angle
[
y
][
x
+
0
]
=
_best_o
[
0
];
angle
[
y
][
x
+
1
]
=
_best_o
[
1
];
angle
[
y
][
x
+
2
]
=
_best_o
[
2
];
angle
[
y
][
x
+
3
]
=
_best_o
[
3
];
int32
_best_o
[
8
];
simd8i
(
best_o
).
store
(
_best_o
);
norm
[
y
][
x
+
0
]
=
_vv
[
0
];
norm
[
y
][
x
+
1
]
=
_vv
[
1
];
norm
[
y
][
x
+
2
]
=
_vv
[
2
];
norm
[
y
][
x
+
3
]
=
_vv
[
3
];
norm
[
y
][
x
+
4
]
=
_vv
[
4
];
norm
[
y
][
x
+
5
]
=
_vv
[
5
];
norm
[
y
][
x
+
6
]
=
_vv
[
6
];
norm
[
y
][
x
+
7
]
=
_vv
[
7
];
angle
[
y
][
x
+
0
]
=
_best_o
[
0
];
angle
[
y
][
x
+
1
]
=
_best_o
[
1
];
angle
[
y
][
x
+
2
]
=
_best_o
[
2
];
angle
[
y
][
x
+
3
]
=
_best_o
[
3
];
angle
[
y
][
x
+
4
]
=
_best_o
[
4
];
angle
[
y
][
x
+
5
]
=
_best_o
[
5
];
angle
[
y
][
x
+
6
]
=
_best_o
[
6
];
angle
[
y
][
x
+
7
]
=
_best_o
[
7
];
}
// Now process the right columns that don't fit into simd registers.
for
(;
x
<
visible_nc
;
x
++
)
...
...
@@ -634,37 +826,37 @@ namespace dlib
const
float
vy0
=
yp
-
iyp
;
const
float
vy1
=
1
.
0
-
vy0
;
int
x
;
for
(
x
=
1
;
x
<
visible_nc
-
3
;
x
+=
4
)
for
(
x
=
1
;
x
<
visible_nc
-
7
;
x
+=
8
)
{
simd
4f
xx
(
x
,
x
+
1
,
x
+
2
,
x
+
3
);
simd
8f
xx
(
x
,
x
+
1
,
x
+
2
,
x
+
3
,
x
+
4
,
x
+
5
,
x
+
6
,
x
+
7
);
// v will be the length of the gradient vectors.
simd
4
f
grad_x
,
grad_y
,
v
;
get_gradient
(
y
,
x
,
img
,
grad_x
,
grad_y
,
v
);
simd
8
f
grad_x
,
grad_y
,
v
;
get_gradient
(
y
,
x
,
img
,
grad_x
,
grad_y
,
v
);
// We will use bilinear interpolation to add into the histogram bins.
// So first we precompute the values needed to determine how much each
// pixel votes into each bin.
simd
4f
xp
=
(
xx
+
0
.
5
)
/
(
float
)
cell_size
+
0
.
5
;
simd
4i
ixp
=
simd4
i
(
xp
);
simd
4f
vx0
=
xp
-
ixp
;
simd
4f
vx1
=
1
.
0
f
-
vx0
;
simd
8f
xp
=
(
xx
+
0
.
5
)
/
(
float
)
cell_size
+
0
.
5
;
simd
8i
ixp
=
simd8
i
(
xp
);
simd
8f
vx0
=
xp
-
ixp
;
simd
8f
vx1
=
1
.
0
f
-
vx0
;
v
=
sqrt
(
v
);
// Now snap the gradient to one of 18 orientations
simd
4
f
best_dot
=
0
;
simd
4
f
best_o
=
0
;
for
(
int
o
=
0
;
o
<
9
;
o
++
)
simd
8
f
best_dot
=
0
;
simd
8
f
best_o
=
0
;
for
(
int
o
=
0
;
o
<
9
;
o
++
)
{
simd
4
f
dot
=
grad_x
*
directions
[
o
](
0
)
+
grad_y
*
directions
[
o
](
1
);
simd
4
f_bool
cmp
=
dot
>
best_dot
;
best_dot
=
select
(
cmp
,
dot
,
best_dot
);
simd
8
f
dot
=
grad_x
*
directions
[
o
](
0
)
+
grad_y
*
directions
[
o
](
1
);
simd
8
f_bool
cmp
=
dot
>
best_dot
;
best_dot
=
select
(
cmp
,
dot
,
best_dot
);
dot
*=
-
1
;
best_o
=
select
(
cmp
,
o
,
best_o
);
best_o
=
select
(
cmp
,
o
,
best_o
);
cmp
=
dot
>
best_dot
;
best_dot
=
select
(
cmp
,
dot
,
best_dot
);
best_o
=
select
(
cmp
,
o
+
9
,
best_o
);
cmp
=
dot
>
best_dot
;
best_dot
=
select
(
cmp
,
dot
,
best_dot
);
best_o
=
select
(
cmp
,
o
+
9
,
best_o
);
}
...
...
@@ -673,37 +865,57 @@ namespace dlib
vx1
*=
v
;
vx0
*=
v
;
// The amounts for each bin
simd4f
v11
=
vy1
*
vx1
;
simd4f
v01
=
vy0
*
vx1
;
simd4f
v10
=
vy1
*
vx0
;
simd4f
v00
=
vy0
*
vx0
;
int32
_best_o
[
4
];
simd4i
(
best_o
).
store
(
_best_o
);
int32
_ixp
[
4
];
ixp
.
store
(
_ixp
);
float
_v11
[
4
];
v11
.
store
(
_v11
);
float
_v01
[
4
];
v01
.
store
(
_v01
);
float
_v10
[
4
];
v10
.
store
(
_v10
);
float
_v00
[
4
];
v00
.
store
(
_v00
);
hist
[
iyp
+
1
]
[
_ixp
[
0
]
](
_best_o
[
0
])
+=
_v11
[
0
];
hist
[
iyp
+
1
+
1
][
_ixp
[
0
]
](
_best_o
[
0
])
+=
_v01
[
0
];
hist
[
iyp
+
1
]
[
_ixp
[
0
]
+
1
](
_best_o
[
0
])
+=
_v10
[
0
];
hist
[
iyp
+
1
+
1
][
_ixp
[
0
]
+
1
](
_best_o
[
0
])
+=
_v00
[
0
];
hist
[
iyp
+
1
]
[
_ixp
[
1
]
](
_best_o
[
1
])
+=
_v11
[
1
];
hist
[
iyp
+
1
+
1
][
_ixp
[
1
]
](
_best_o
[
1
])
+=
_v01
[
1
];
hist
[
iyp
+
1
]
[
_ixp
[
1
]
+
1
](
_best_o
[
1
])
+=
_v10
[
1
];
hist
[
iyp
+
1
+
1
][
_ixp
[
1
]
+
1
](
_best_o
[
1
])
+=
_v00
[
1
];
hist
[
iyp
+
1
]
[
_ixp
[
2
]
](
_best_o
[
2
])
+=
_v11
[
2
];
hist
[
iyp
+
1
+
1
][
_ixp
[
2
]
](
_best_o
[
2
])
+=
_v01
[
2
];
hist
[
iyp
+
1
]
[
_ixp
[
2
]
+
1
](
_best_o
[
2
])
+=
_v10
[
2
];
hist
[
iyp
+
1
+
1
][
_ixp
[
2
]
+
1
](
_best_o
[
2
])
+=
_v00
[
2
];
hist
[
iyp
+
1
]
[
_ixp
[
3
]
](
_best_o
[
3
])
+=
_v11
[
3
];
hist
[
iyp
+
1
+
1
][
_ixp
[
3
]
](
_best_o
[
3
])
+=
_v01
[
3
];
hist
[
iyp
+
1
]
[
_ixp
[
3
]
+
1
](
_best_o
[
3
])
+=
_v10
[
3
];
hist
[
iyp
+
1
+
1
][
_ixp
[
3
]
+
1
](
_best_o
[
3
])
+=
_v00
[
3
];
simd8f
v11
=
vy1
*
vx1
;
simd8f
v01
=
vy0
*
vx1
;
simd8f
v10
=
vy1
*
vx0
;
simd8f
v00
=
vy0
*
vx0
;
int32
_best_o
[
8
];
simd8i
(
best_o
).
store
(
_best_o
);
int32
_ixp
[
8
];
ixp
.
store
(
_ixp
);
float
_v11
[
8
];
v11
.
store
(
_v11
);
float
_v01
[
8
];
v01
.
store
(
_v01
);
float
_v10
[
8
];
v10
.
store
(
_v10
);
float
_v00
[
8
];
v00
.
store
(
_v00
);
hist
[
iyp
+
1
][
_ixp
[
0
]](
_best_o
[
0
])
+=
_v11
[
0
];
hist
[
iyp
+
1
+
1
][
_ixp
[
0
]](
_best_o
[
0
])
+=
_v01
[
0
];
hist
[
iyp
+
1
][
_ixp
[
0
]
+
1
](
_best_o
[
0
])
+=
_v10
[
0
];
hist
[
iyp
+
1
+
1
][
_ixp
[
0
]
+
1
](
_best_o
[
0
])
+=
_v00
[
0
];
hist
[
iyp
+
1
][
_ixp
[
1
]](
_best_o
[
1
])
+=
_v11
[
1
];
hist
[
iyp
+
1
+
1
][
_ixp
[
1
]](
_best_o
[
1
])
+=
_v01
[
1
];
hist
[
iyp
+
1
][
_ixp
[
1
]
+
1
](
_best_o
[
1
])
+=
_v10
[
1
];
hist
[
iyp
+
1
+
1
][
_ixp
[
1
]
+
1
](
_best_o
[
1
])
+=
_v00
[
1
];
hist
[
iyp
+
1
][
_ixp
[
2
]](
_best_o
[
2
])
+=
_v11
[
2
];
hist
[
iyp
+
1
+
1
][
_ixp
[
2
]](
_best_o
[
2
])
+=
_v01
[
2
];
hist
[
iyp
+
1
][
_ixp
[
2
]
+
1
](
_best_o
[
2
])
+=
_v10
[
2
];
hist
[
iyp
+
1
+
1
][
_ixp
[
2
]
+
1
](
_best_o
[
2
])
+=
_v00
[
2
];
hist
[
iyp
+
1
][
_ixp
[
3
]](
_best_o
[
3
])
+=
_v11
[
3
];
hist
[
iyp
+
1
+
1
][
_ixp
[
3
]](
_best_o
[
3
])
+=
_v01
[
3
];
hist
[
iyp
+
1
][
_ixp
[
3
]
+
1
](
_best_o
[
3
])
+=
_v10
[
3
];
hist
[
iyp
+
1
+
1
][
_ixp
[
3
]
+
1
](
_best_o
[
3
])
+=
_v00
[
3
];
hist
[
iyp
+
1
][
_ixp
[
4
]](
_best_o
[
4
])
+=
_v11
[
4
];
hist
[
iyp
+
1
+
1
][
_ixp
[
4
]](
_best_o
[
4
])
+=
_v01
[
4
];
hist
[
iyp
+
1
][
_ixp
[
4
]
+
1
](
_best_o
[
4
])
+=
_v10
[
4
];
hist
[
iyp
+
1
+
1
][
_ixp
[
4
]
+
1
](
_best_o
[
4
])
+=
_v00
[
4
];
hist
[
iyp
+
1
][
_ixp
[
5
]](
_best_o
[
5
])
+=
_v11
[
5
];
hist
[
iyp
+
1
+
1
][
_ixp
[
5
]](
_best_o
[
5
])
+=
_v01
[
5
];
hist
[
iyp
+
1
][
_ixp
[
5
]
+
1
](
_best_o
[
5
])
+=
_v10
[
5
];
hist
[
iyp
+
1
+
1
][
_ixp
[
5
]
+
1
](
_best_o
[
5
])
+=
_v00
[
5
];
hist
[
iyp
+
1
][
_ixp
[
6
]](
_best_o
[
6
])
+=
_v11
[
6
];
hist
[
iyp
+
1
+
1
][
_ixp
[
6
]](
_best_o
[
6
])
+=
_v01
[
6
];
hist
[
iyp
+
1
][
_ixp
[
6
]
+
1
](
_best_o
[
6
])
+=
_v10
[
6
];
hist
[
iyp
+
1
+
1
][
_ixp
[
6
]
+
1
](
_best_o
[
6
])
+=
_v00
[
6
];
hist
[
iyp
+
1
][
_ixp
[
7
]](
_best_o
[
7
])
+=
_v11
[
7
];
hist
[
iyp
+
1
+
1
][
_ixp
[
7
]](
_best_o
[
7
])
+=
_v01
[
7
];
hist
[
iyp
+
1
][
_ixp
[
7
]
+
1
](
_best_o
[
7
])
+=
_v10
[
7
];
hist
[
iyp
+
1
+
1
][
_ixp
[
7
]
+
1
](
_best_o
[
7
])
+=
_v00
[
7
];
}
// Now process the right columns that don't fit into simd registers.
for
(;
x
<
visible_nc
;
x
++
)
...
...
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