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体验新版 GitCode,发现更多精彩内容 >>
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b6260f38
编写于
10月 31, 2019
作者:
Y
Yihua Xu
提交者:
Tao Luo
10月 31, 2019
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
Optimize the kernel implementation of layernorm with openmp (#20895)
上级
8c4573a3
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
114 addition
and
104 deletion
+114
-104
paddle/fluid/operators/jit/more/intrinsic/layer_norm.cc
paddle/fluid/operators/jit/more/intrinsic/layer_norm.cc
+114
-104
未找到文件。
paddle/fluid/operators/jit/more/intrinsic/layer_norm.cc
浏览文件 @
b6260f38
...
...
@@ -26,131 +26,141 @@ namespace intrinsic {
void
LayerNorm
(
float
*
x
,
float
*
out
,
float
*
mean
,
float
*
var
,
const
float
*
scale
,
const
float
*
bias
,
int
height
,
const
float
epsilon
,
int
right
)
{
__m256
sum
;
__m256
mean_vec
,
var_vec
;
__m128
hi
,
lo
;
__m256
tmp
;
size_t
offset
;
size_t
j
;
int
block
=
YMM_FLOAT_BLOCK
;
const
int
rest
=
right
%
block
;
const
int
end
=
right
-
rest
;
#ifdef PADDLE_WITH_MKLML
#pragma omp parallel
{
#endif
__m256
sum
;
__m256
mean_vec
,
var_vec
;
__m128
hi
,
lo
;
__m256
tmp
;
size_t
offset
;
size_t
j
;
__m256
reverse_num_vec
=
_mm256_div_ps
(
_mm256_set1_ps
(
1.0
),
_mm256_set1_ps
(
right
));
__m256
epsilon_vec
=
_mm256_set1_ps
(
epsilon
);
int
rest_mask
=
((
-
1
)
&
(
~
((
~
0U
)
>>
(
sizeof
(
int
)
*
8
-
(
block
-
rest
)))))
&
0x0ff
;
__m256i
mask_vec
=
_mm256_set_epi32
(
rest_mask
&
0x80
?
0xffffffff
:
0
,
rest_mask
&
0x40
?
0xffffffff
:
0
,
rest_mask
&
0x20
?
0xffffffff
:
0
,
rest_mask
&
0x10
?
0xffffffff
:
0
,
rest_mask
&
0x8
?
0xffffffff
:
0
,
rest_mask
&
0x4
?
0xffffffff
:
0
,
rest_mask
&
0x2
?
0xffffffff
:
0
,
rest_mask
&
0x1
?
0xffffffff
:
0
);
__m256
reverse_num_vec
=
_mm256_div_ps
(
_mm256_set1_ps
(
1.0
),
_mm256_set1_ps
(
right
));
__m256
epsilon_vec
=
_mm256_set1_ps
(
epsilon
);
int
rest_mask
=
((
-
1
)
&
(
~
((
~
0U
)
>>
(
sizeof
(
int
)
*
8
-
(
block
-
rest
)))))
&
0x0ff
;
__m256i
mask_vec
=
_mm256_set_epi32
(
rest_mask
&
0x80
?
0xffffffff
:
0
,
rest_mask
&
0x40
?
0xffffffff
:
0
,
rest_mask
&
0x20
?
0xffffffff
:
0
,
rest_mask
&
0x10
?
0xffffffff
:
0
,
rest_mask
&
0x8
?
0xffffffff
:
0
,
rest_mask
&
0x4
?
0xffffffff
:
0
,
rest_mask
&
0x2
?
0xffffffff
:
0
,
rest_mask
&
0x1
?
0xffffffff
:
0
);
#ifdef PADDLE_WITH_MKLML
#pragma omp for
#endif
for
(
int
i
=
0
;
i
<
height
;
++
i
)
{
offset
=
i
*
right
;
for
(
int
i
=
0
;
i
<
height
;
++
i
)
{
offset
=
i
*
right
;
/* get mean */
sum
=
_mm256_setzero_ps
();
for
(
j
=
offset
;
j
<
end
+
offset
;
j
+=
block
)
{
sum
=
_mm256_add_ps
(
sum
,
_mm256_loadu_ps
((
const
float
*
)
x
+
j
));
}
if
(
rest
!=
0
)
{
j
=
offset
+
right
-
block
;
tmp
=
_mm256_loadu_ps
((
const
float
*
)
x
+
j
);
tmp
=
_mm256_blendv_ps
(
_mm256_setzero_ps
(),
tmp
,
*
(
__m256
*
)
&
mask_vec
);
// NOLINT
sum
=
_mm256_add_ps
(
sum
,
tmp
);
}
hi
=
_mm256_extractf128_ps
(
sum
,
1
);
lo
=
_mm256_extractf128_ps
(
sum
,
0
);
sum
=
_mm256_add_ps
(
sum
,
_mm256_insertf128_ps
(
_mm256_insertf128_ps
(
_mm256_setzero_ps
(),
hi
,
0
),
lo
,
1
));
sum
=
_mm256_hadd_ps
(
sum
,
sum
);
sum
=
_mm256_hadd_ps
(
sum
,
sum
);
mean_vec
=
_mm256_mul_ps
(
sum
,
reverse_num_vec
);
mean
[
i
]
=
*
reinterpret_cast
<
float
*>
(
&
mean_vec
);
/* get variance */
sum
=
_mm256_setzero_ps
();
for
(
j
=
offset
;
j
<
end
+
offset
;
j
+=
block
)
{
tmp
=
_mm256_sub_ps
(
_mm256_loadu_ps
((
const
float
*
)
x
+
j
),
mean_vec
);
tmp
=
_mm256_mul_ps
(
tmp
,
tmp
);
sum
=
_mm256_add_ps
(
sum
,
tmp
);
}
if
(
rest
!=
0
)
{
j
=
offset
+
right
-
block
;
tmp
=
_mm256_sub_ps
(
_mm256_loadu_ps
((
const
float
*
)
x
+
j
),
mean_vec
);
tmp
=
_mm256_mul_ps
(
tmp
,
tmp
);
tmp
=
_mm256_blendv_ps
(
_mm256_setzero_ps
(),
tmp
,
*
(
__m256
*
)
&
mask_vec
);
// NOLINT
sum
=
_mm256_add_ps
(
sum
,
tmp
);
}
hi
=
_mm256_extractf128_ps
(
sum
,
1
);
lo
=
_mm256_extractf128_ps
(
sum
,
0
);
sum
=
_mm256_add_ps
(
sum
,
_mm256_insertf128_ps
(
_mm256_insertf128_ps
(
_mm256_setzero_ps
(),
hi
,
0
),
lo
,
1
));
sum
=
_mm256_hadd_ps
(
sum
,
sum
);
sum
=
_mm256_hadd_ps
(
sum
,
sum
);
var_vec
=
_mm256_mul_ps
(
sum
,
reverse_num_vec
);
var
[
i
]
=
*
reinterpret_cast
<
float
*>
(
&
var_vec
);
/* get x_norm and calculate output*/
for
(
j
=
offset
;
j
<
end
+
offset
;
j
+=
block
)
{
tmp
=
_mm256_sub_ps
(
_mm256_loadu_ps
((
const
float
*
)
x
+
j
),
mean_vec
);
tmp
=
_mm256_div_ps
(
tmp
,
_mm256_sqrt_ps
(
_mm256_add_ps
(
var_vec
,
epsilon_vec
)));
_mm256_storeu_ps
(
reinterpret_cast
<
float
*>
(
out
)
+
j
,
tmp
);
}
if
(
rest
!=
0
)
{
j
=
offset
+
right
-
block
;
tmp
=
_mm256_sub_ps
(
_mm256_loadu_ps
((
const
float
*
)
x
+
j
),
mean_vec
);
tmp
=
_mm256_div_ps
(
tmp
,
_mm256_sqrt_ps
(
_mm256_add_ps
(
var_vec
,
epsilon_vec
)));
_mm256_storeu_ps
(
reinterpret_cast
<
float
*>
(
out
)
+
j
,
tmp
);
}
if
(
scale
)
{
if
(
rest
!=
0
)
{
j
=
offset
+
right
-
block
;
tmp
=
_mm256_loadu_ps
((
const
float
*
)
out
+
j
);
}
/* get mean */
sum
=
_mm256_setzero_ps
();
for
(
j
=
offset
;
j
<
end
+
offset
;
j
+=
block
)
{
_mm256_storeu_ps
(
reinterpret_cast
<
float
*>
(
out
)
+
j
,
_mm256_mul_ps
(
_mm256_loadu_ps
((
const
float
*
)
out
+
j
),
_mm256_loadu_ps
((
const
float
*
)
scale
+
j
-
offset
)));
sum
=
_mm256_add_ps
(
sum
,
_mm256_loadu_ps
((
const
float
*
)
x
+
j
));
}
if
(
rest
!=
0
)
{
j
=
offset
+
right
-
block
;
_mm256_storeu_ps
(
reinterpret_cast
<
float
*>
(
out
)
+
j
,
_mm256_mul_ps
(
tmp
,
_mm256_loadu_ps
((
const
float
*
)
scale
+
j
-
offset
))
);
tmp
=
_mm256_loadu_ps
((
const
float
*
)
x
+
j
);
tmp
=
_mm256_blendv_ps
(
_mm256_setzero_ps
(),
tmp
,
*
(
__m256
*
)
&
mask_vec
);
// NOLINT
sum
=
_mm256_add_ps
(
sum
,
tmp
);
}
}
hi
=
_mm256_extractf128_ps
(
sum
,
1
);
lo
=
_mm256_extractf128_ps
(
sum
,
0
);
sum
=
_mm256_add_ps
(
sum
,
_mm256_insertf128_ps
(
_mm256_insertf128_ps
(
_mm256_setzero_ps
(),
hi
,
0
),
lo
,
1
));
sum
=
_mm256_hadd_ps
(
sum
,
sum
);
sum
=
_mm256_hadd_ps
(
sum
,
sum
);
mean_vec
=
_mm256_mul_ps
(
sum
,
reverse_num_vec
);
mean
[
i
]
=
*
reinterpret_cast
<
float
*>
(
&
mean_vec
);
if
(
bias
)
{
/* get variance */
sum
=
_mm256_setzero_ps
();
for
(
j
=
offset
;
j
<
end
+
offset
;
j
+=
block
)
{
tmp
=
_mm256_sub_ps
(
_mm256_loadu_ps
((
const
float
*
)
x
+
j
),
mean_vec
);
tmp
=
_mm256_mul_ps
(
tmp
,
tmp
);
sum
=
_mm256_add_ps
(
sum
,
tmp
);
}
if
(
rest
!=
0
)
{
j
=
offset
+
right
-
block
;
tmp
=
_mm256_loadu_ps
((
const
float
*
)
out
+
j
);
tmp
=
_mm256_sub_ps
(
_mm256_loadu_ps
((
const
float
*
)
x
+
j
),
mean_vec
);
tmp
=
_mm256_mul_ps
(
tmp
,
tmp
);
tmp
=
_mm256_blendv_ps
(
_mm256_setzero_ps
(),
tmp
,
*
(
__m256
*
)
&
mask_vec
);
// NOLINT
sum
=
_mm256_add_ps
(
sum
,
tmp
);
}
hi
=
_mm256_extractf128_ps
(
sum
,
1
);
lo
=
_mm256_extractf128_ps
(
sum
,
0
);
sum
=
_mm256_add_ps
(
sum
,
_mm256_insertf128_ps
(
_mm256_insertf128_ps
(
_mm256_setzero_ps
(),
hi
,
0
),
lo
,
1
));
sum
=
_mm256_hadd_ps
(
sum
,
sum
);
sum
=
_mm256_hadd_ps
(
sum
,
sum
);
var_vec
=
_mm256_mul_ps
(
sum
,
reverse_num_vec
);
var
[
i
]
=
*
reinterpret_cast
<
float
*>
(
&
var_vec
);
/* get x_norm and calculate output*/
for
(
j
=
offset
;
j
<
end
+
offset
;
j
+=
block
)
{
_mm256_storeu_ps
(
reinterpret_cast
<
float
*>
(
out
)
+
j
,
_mm256_add_ps
(
_mm256_loadu_ps
((
const
float
*
)
out
+
j
),
_mm256_loadu_ps
((
const
float
*
)
bias
+
j
-
offset
))
);
tmp
=
_mm256_sub_ps
(
_mm256_loadu_ps
((
const
float
*
)
x
+
j
),
mean_vec
);
tmp
=
_mm256_div_ps
(
tmp
,
_mm256_sqrt_ps
(
_mm256_add_ps
(
var_vec
,
epsilon_vec
)));
_mm256_storeu_ps
(
reinterpret_cast
<
float
*>
(
out
)
+
j
,
tmp
);
}
if
(
rest
!=
0
)
{
j
=
offset
+
right
-
block
;
_mm256_storeu_ps
(
reinterpret_cast
<
float
*>
(
out
)
+
j
,
_mm256_add_ps
(
tmp
,
_mm256_loadu_ps
((
const
float
*
)
bias
+
j
-
offset
)));
tmp
=
_mm256_sub_ps
(
_mm256_loadu_ps
((
const
float
*
)
x
+
j
),
mean_vec
);
tmp
=
_mm256_div_ps
(
tmp
,
_mm256_sqrt_ps
(
_mm256_add_ps
(
var_vec
,
epsilon_vec
)));
_mm256_storeu_ps
(
reinterpret_cast
<
float
*>
(
out
)
+
j
,
tmp
);
}
if
(
scale
)
{
if
(
rest
!=
0
)
{
j
=
offset
+
right
-
block
;
tmp
=
_mm256_loadu_ps
((
const
float
*
)
out
+
j
);
}
for
(
j
=
offset
;
j
<
end
+
offset
;
j
+=
block
)
{
_mm256_storeu_ps
(
reinterpret_cast
<
float
*>
(
out
)
+
j
,
_mm256_mul_ps
(
_mm256_loadu_ps
((
const
float
*
)
out
+
j
),
_mm256_loadu_ps
((
const
float
*
)
scale
+
j
-
offset
)));
}
if
(
rest
!=
0
)
{
j
=
offset
+
right
-
block
;
_mm256_storeu_ps
(
reinterpret_cast
<
float
*>
(
out
)
+
j
,
_mm256_mul_ps
(
tmp
,
_mm256_loadu_ps
((
const
float
*
)
scale
+
j
-
offset
)));
}
}
if
(
bias
)
{
if
(
rest
!=
0
)
{
j
=
offset
+
right
-
block
;
tmp
=
_mm256_loadu_ps
((
const
float
*
)
out
+
j
);
}
for
(
j
=
offset
;
j
<
end
+
offset
;
j
+=
block
)
{
_mm256_storeu_ps
(
reinterpret_cast
<
float
*>
(
out
)
+
j
,
_mm256_add_ps
(
_mm256_loadu_ps
((
const
float
*
)
out
+
j
),
_mm256_loadu_ps
((
const
float
*
)
bias
+
j
-
offset
)));
}
if
(
rest
!=
0
)
{
j
=
offset
+
right
-
block
;
_mm256_storeu_ps
(
reinterpret_cast
<
float
*>
(
out
)
+
j
,
_mm256_add_ps
(
tmp
,
_mm256_loadu_ps
((
const
float
*
)
bias
+
j
-
offset
)));
}
}
}
#ifdef PADDLE_WITH_MKLML
}
#endif
}
bool
LayerNormKernel
::
CanBeUsed
(
const
int
&
d
)
const
{
...
...
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