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前往新版Gitcode,体验更适合开发者的 AI 搜索 >>
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9783e887
编写于
6月 21, 2022
作者:
G
Guanghua Yu
提交者:
GitHub
6月 21, 2022
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
[cherry pick #43088 #40664] Add float16 to fake quantize/dequantize OP (#43689)
* cherry pick #43088 #40664 * fix clang format
上级
a363e5ab
变更
5
隐藏空白更改
内联
并排
Showing
5 changed file
with
366 addition
and
340 deletion
+366
-340
paddle/fluid/operators/fake_dequantize_op.cu
paddle/fluid/operators/fake_dequantize_op.cu
+5
-2
paddle/fluid/operators/fake_quantize_op.cu
paddle/fluid/operators/fake_quantize_op.cu
+10
-5
paddle/fluid/operators/fake_quantize_op.cu.h
paddle/fluid/operators/fake_quantize_op.cu.h
+57
-29
python/paddle/fluid/tests/unittests/test_fake_dequantize_op.py
...n/paddle/fluid/tests/unittests/test_fake_dequantize_op.py
+58
-17
python/paddle/fluid/tests/unittests/test_fake_quantize_op.py
python/paddle/fluid/tests/unittests/test_fake_quantize_op.py
+236
-287
未找到文件。
paddle/fluid/operators/fake_dequantize_op.cu
浏览文件 @
9783e887
...
...
@@ -17,10 +17,13 @@ limitations under the License. */
namespace
ops
=
paddle
::
operators
;
using
CUDA
=
paddle
::
platform
::
CUDADeviceContext
;
using
float16
=
paddle
::
platform
::
float16
;
REGISTER_OP_CUDA_KERNEL
(
fake_dequantize_max_abs
,
ops
::
FakeDequantizeMaxAbsKernel
<
CUDA
,
float
>
,
ops
::
FakeDequantizeMaxAbsKernel
<
CUDA
,
double
>
);
ops
::
FakeDequantizeMaxAbsKernel
<
CUDA
,
double
>
,
ops
::
FakeDequantizeMaxAbsKernel
<
CUDA
,
float16
>
);
REGISTER_OP_CUDA_KERNEL
(
fake_channel_wise_dequantize_max_abs
,
ops
::
FakeChannelWiseDequantizeMaxAbsKernel
<
CUDA
,
float
>
,
ops
::
FakeChannelWiseDequantizeMaxAbsKernel
<
CUDA
,
double
>
);
ops
::
FakeChannelWiseDequantizeMaxAbsKernel
<
CUDA
,
double
>
,
ops
::
FakeChannelWiseDequantizeMaxAbsKernel
<
CUDA
,
float16
>
);
paddle/fluid/operators/fake_quantize_op.cu
浏览文件 @
9783e887
...
...
@@ -19,17 +19,22 @@ namespace ops = paddle::operators;
using
CUDA
=
paddle
::
platform
::
CUDADeviceContext
;
using
float16
=
paddle
::
platform
::
float16
;
REGISTER_OP_CUDA_KERNEL
(
fake_quantize_abs_max
,
ops
::
FakeQuantizeAbsMaxKernel
<
CUDA
,
float
>
);
ops
::
FakeQuantizeAbsMaxKernel
<
CUDA
,
float
>
,
ops
::
FakeQuantizeAbsMaxKernel
<
CUDA
,
float16
>
);
REGISTER_OP_CUDA_KERNEL
(
fake_quantize_dequantize_abs_max
,
ops
::
FakeQuantizeDequantizeAbsMaxKernel
<
CUDA
,
float
>
,
ops
::
FakeQuantizeDequantizeAbsMaxKernel
<
CUDA
,
float16
>
);
REGISTER_OP_CUDA_KERNEL
(
fake_channel_wise_quantize_abs_max
,
ops
::
FakeChannelWiseQuantizeAbsMaxKernel
<
CUDA
,
float
>
);
REGISTER_OP_CUDA_KERNEL
(
fake_channel_wise_quantize_abs_max
,
ops
::
FakeChannelWiseQuantizeAbsMaxKernel
<
CUDA
,
float
>
,
ops
::
FakeChannelWiseQuantizeAbsMaxKernel
<
CUDA
,
float16
>
);
REGISTER_OP_CUDA_KERNEL
(
fake_quantize_range_abs_max
,
ops
::
FakeQuantizeRangeAbsMaxKernel
<
CUDA
,
float
>
);
ops
::
FakeQuantizeRangeAbsMaxKernel
<
CUDA
,
float
>
,
ops
::
FakeQuantizeRangeAbsMaxKernel
<
CUDA
,
float16
>
);
REGISTER_OP_CUDA_KERNEL
(
fake_quantize_moving_average_abs_max
,
ops
::
FakeQuantizeMovingAverageAbsMaxKernel
<
CUDA
,
float
>
);
ops
::
FakeQuantizeMovingAverageAbsMaxKernel
<
CUDA
,
float
>
,
ops
::
FakeQuantizeMovingAverageAbsMaxKernel
<
CUDA
,
float16
>
);
REGISTER_OP_CUDA_KERNEL
(
moving_average_abs_max_scale
,
ops
::
MovingAverageAbsMaxScaleKernel
<
CUDA
,
float
>
,
ops
::
MovingAverageAbsMaxScaleKernel
<
CUDA
,
float16
>
);
...
...
paddle/fluid/operators/fake_quantize_op.cu.h
浏览文件 @
9783e887
...
...
@@ -17,6 +17,7 @@ limitations under the License. */
#endif // PADDLE_FLUID_OPERATORS_FAKE_QUANTIZE_OP_CU_H_
#include <string>
#include "paddle/fluid/memory/memcpy.h"
#include "paddle/fluid/operators/fake_quantize_op.h"
#include "paddle/fluid/platform/device/gpu/gpu_primitives.h"
...
...
@@ -24,6 +25,16 @@ limitations under the License. */
namespace
paddle
{
namespace
operators
{
template
<
typename
T
>
struct
QuantizeDataType
{
using
type
=
T
;
};
template
<
>
struct
QuantizeDataType
<
paddle
::
platform
::
float16
>
{
using
type
=
float
;
};
template
<
typename
T
>
__global__
void
FindAbsMaxKernel
(
const
T
*
in
,
const
int
n
,
T
*
out
)
{
int
bid
=
threadIdx
.
x
+
blockIdx
.
x
*
blockDim
.
x
;
...
...
@@ -87,10 +98,12 @@ __global__ void FindChannelAbsMaxKernelQuantAxis0(const T* in, const int n,
int
tid
=
threadIdx
.
x
;
int
channel_size
=
n
/
c
;
const
T
*
in_c
=
in
+
blockIdx
.
x
*
channel_size
;
extern
__shared__
T
shared_max_data
[];
extern
__shared__
char
*
shared_max_data_tmp
[];
auto
shared_max_data
=
reinterpret_cast
<
T
*>
(
shared_max_data_tmp
);
T
local_max_data
=
T
(
0
);
for
(
int
i
=
tid
;
i
<
channel_size
;
i
+=
blockDim
.
x
)
{
T
tmp
=
fabs
(
in_c
[
i
]);
T
tmp
=
static_cast
<
T
>
(
fabs
(
static_cast
<
typename
QuantizeDataType
<
T
>::
type
>
(
in_c
[
i
])));
if
(
tmp
>
local_max_data
)
{
local_max_data
=
tmp
;
}
...
...
@@ -112,7 +125,8 @@ template <typename T>
__global__
void
FindChannelAbsMaxKernelQuantAxis1
(
const
T
*
in
,
const
int
n
,
const
int
cin
,
const
int
cout
,
T
*
out
)
{
extern
__shared__
T
shared_max_data
[];
extern
__shared__
char
*
shared_max_data_tmp
[];
auto
shared_max_data
=
reinterpret_cast
<
T
*>
(
shared_max_data_tmp
);
int
cout_wh_size
=
n
/
cin
;
int
wh_size
=
n
/
(
cin
*
cout
);
...
...
@@ -121,7 +135,8 @@ __global__ void FindChannelAbsMaxKernelQuantAxis1(const T* in, const int n,
const
T
*
in_current
=
in
+
tid
*
cout_wh_size
+
bid
*
wh_size
;
T
local_max_data
=
T
(
0
);
for
(
int
i
=
0
;
i
<
wh_size
;
i
++
)
{
T
tmp
=
fabs
(
in_current
[
i
]);
T
tmp
=
static_cast
<
T
>
(
fabs
(
static_cast
<
typename
QuantizeDataType
<
T
>::
type
>
(
in_current
[
i
])));
if
(
tmp
>
local_max_data
)
{
local_max_data
=
tmp
;
}
...
...
@@ -203,14 +218,18 @@ __global__ void ClipAndQuantKernel(const T* in, const T* scale,
int
bid
=
threadIdx
.
x
+
blockIdx
.
x
*
blockDim
.
x
;
int
tid
=
threadIdx
.
x
;
T
s
=
scale
[
0
];
T
inv_s
=
inverse
(
s
);
using
ComputeDataType
=
typename
QuantizeDataType
<
T
>::
type
;
ComputeDataType
s
=
static_cast
<
ComputeDataType
>
(
scale
[
0
]);
ComputeDataType
inv_s
=
inverse
(
s
);
ComputeDataType
bin_cnt_t
=
static_cast
<
ComputeDataType
>
(
bin_cnt
);
for
(
int
i
=
bid
;
i
<
n
;
i
+=
blockDim
.
x
*
gridDim
.
x
)
{
T
x
=
in
[
i
]
;
T
v
=
x
>
s
?
s
:
x
;
ComputeDataType
x
=
static_cast
<
ComputeDataType
>
(
in
[
i
])
;
ComputeDataType
v
=
x
>
s
?
s
:
x
;
v
=
v
<
-
s
?
-
s
:
v
;
v
=
bin_cnt
*
inv_s
*
v
;
out
[
i
]
=
round
(
v
);
v
=
bin_cnt
_t
*
inv_s
*
v
;
out
[
i
]
=
static_cast
<
T
>
(
round
(
v
)
);
}
}
...
...
@@ -221,17 +240,19 @@ __global__ void ClipAndQuantDequantKernel(const T* in, const T* scale,
int
bid
=
threadIdx
.
x
+
blockIdx
.
x
*
blockDim
.
x
;
int
tid
=
threadIdx
.
x
;
T
s
=
scale
[
0
];
T
inv_s
=
inverse
(
s
);
T
bin_cnt_t
=
static_cast
<
T
>
(
bin_cnt
);
using
ComputeDataType
=
typename
QuantizeDataType
<
T
>::
type
;
ComputeDataType
s
=
static_cast
<
ComputeDataType
>
(
scale
[
0
]);
ComputeDataType
inv_s
=
inverse
(
s
);
ComputeDataType
bin_cnt_t
=
static_cast
<
ComputeDataType
>
(
bin_cnt
);
for
(
int
i
=
bid
;
i
<
n
;
i
+=
blockDim
.
x
*
gridDim
.
x
)
{
T
x
=
in
[
i
]
;
ComputeDataType
x
=
static_cast
<
ComputeDataType
>
(
in
[
i
])
;
x
=
x
>
s
?
s
:
x
;
x
=
x
<
-
s
?
-
s
:
x
;
x
=
bin_cnt_t
*
inv_s
*
x
;
x
=
static_cast
<
T
>
(
round
(
static_cast
<
float
>
(
x
))
);
out
[
i
]
=
(
x
*
s
)
/
bin_cnt_t
;
x
=
round
(
x
);
out
[
i
]
=
static_cast
<
T
>
((
x
*
s
)
/
bin_cnt_t
)
;
}
}
...
...
@@ -285,15 +306,18 @@ __global__ void ChannelClipAndQuantKernelQuantAxis0(const T* in, const T* scale,
const
T
*
in_c
=
in
+
blockIdx
.
x
*
channel_size
;
T
*
out_c
=
out
+
blockIdx
.
x
*
channel_size
;
T
s
=
scale
[
blockIdx
.
x
];
T
inv_s
=
inverse
(
s
);
using
ComputeDataType
=
typename
QuantizeDataType
<
T
>::
type
;
ComputeDataType
s
=
static_cast
<
ComputeDataType
>
(
scale
[
blockIdx
.
x
]);
ComputeDataType
inv_s
=
inverse
(
s
);
ComputeDataType
bin_cnt_t
=
static_cast
<
ComputeDataType
>
(
bin_cnt
);
for
(
int64_t
i
=
tid
;
i
<
channel_size
;
i
+=
blockDim
.
x
)
{
T
x
=
in_c
[
i
]
;
T
v
=
x
>
s
?
s
:
x
;
ComputeDataType
x
=
static_cast
<
ComputeDataType
>
(
in_c
[
i
])
;
ComputeDataType
v
=
x
>
s
?
s
:
x
;
v
=
v
<
-
s
?
-
s
:
v
;
v
=
bin_cnt
*
inv_s
*
v
;
out_c
[
i
]
=
round
(
v
);
v
=
bin_cnt
_t
*
inv_s
*
v
;
out_c
[
i
]
=
static_cast
<
T
>
(
round
(
v
)
);
}
}
...
...
@@ -303,14 +327,17 @@ __global__ void ChannelClipAndQuantKernelQuantAxisN(
const
T
*
in
,
const
T
*
scale
,
const
int
bin_cnt
,
const
int64_t
n
,
const
int
nScale
,
const
int
quant_stride
,
T
*
out
)
{
int64_t
idx
=
blockDim
.
x
*
blockIdx
.
x
+
threadIdx
.
x
;
using
ComputeDataType
=
typename
QuantizeDataType
<
T
>::
type
;
ComputeDataType
bin_cnt_t
=
static_cast
<
ComputeDataType
>
(
bin_cnt
);
for
(
int64_t
i
=
idx
;
i
<
n
;
i
+=
blockDim
.
x
*
gridDim
.
x
)
{
T
s
=
scale
[(
i
/
quant_stride
)
%
nScale
];
T
inv_s
=
inverse
(
s
);
T
x
=
in
[
i
];
T
v
=
x
>
s
?
s
:
x
;
ComputeDataType
s
=
static_cast
<
ComputeDataType
>
(
scale
[(
i
/
quant_stride
)
%
nScale
]);
ComputeDataType
inv_s
=
inverse
(
s
);
ComputeDataType
x
=
static_cast
<
ComputeDataType
>
(
in
[
i
]);
ComputeDataType
v
=
x
>
s
?
s
:
x
;
v
=
v
<
-
s
?
-
s
:
v
;
v
=
bin_cnt
*
inv_s
*
v
;
out
[
i
]
=
round
(
v
);
v
=
bin_cnt
_t
*
inv_s
*
v
;
out
[
i
]
=
static_cast
<
T
>
(
round
(
v
)
);
}
}
...
...
@@ -376,7 +403,8 @@ __global__ void FindRangeAbsMaxAndFillArray(const T* cur_scale,
scale_arr
[
idx
]
=
cur
;
T
max
=
last_scale
[
0
];
out_scale
[
0
]
=
max
<
cur
?
cur
:
max
;
if
(
fabs
(
removed
-
max
)
<
1e-6
)
{
if
(
fabs
(
static_cast
<
typename
QuantizeDataType
<
T
>::
type
>
(
removed
-
max
))
<
1e-6
)
{
need_find_max
[
0
]
=
1
;
out_size
[
0
]
=
it
>
window_size
?
window_size
:
it
;
}
else
{
...
...
python/paddle/fluid/tests/unittests/test_fake_dequantize_op.py
浏览文件 @
9783e887
...
...
@@ -18,6 +18,7 @@ import unittest
import
numpy
as
np
import
math
from
op_test
import
OpTest
import
paddle.fluid.core
as
core
def
quantize_max_abs
(
x
,
max_range
):
...
...
@@ -76,22 +77,25 @@ def channel_wise_dequantize_max_abs(x,
class
TestFakeChannelWiseDequantizeMaxAbsOpTwoScales
(
OpTest
):
def
set_args
(
self
):
self
.
quant_bits
=
[
8
,
8
]
self
.
data_type
=
"float32"
self
.
activation_scale
=
0.7861
def
set_dtype
(
self
):
self
.
dtype
=
np
.
float32
def
setUp
(
self
):
self
.
set_args
()
self
.
set_dtype
()
self
.
op_type
=
"fake_channel_wise_dequantize_max_abs"
x
=
np
.
random
.
randn
(
4
,
3
,
64
,
64
).
astype
(
self
.
d
ata_
type
)
x
=
np
.
random
.
randn
(
4
,
3
,
64
,
64
).
astype
(
self
.
dtype
)
yq
,
scales
=
channel_wise_quantize_max_abs
(
x
,
self
.
quant_bits
[
0
],
1
)
ydq
=
channel_wise_dequantize_max_abs
(
yq
,
scales
,
self
.
quant_bits
,
1
,
self
.
activation_scale
)
self
.
inputs
=
{
'X'
:
yq
,
'Scales'
:
[(
"scales0"
,
np
.
array
(
scales
).
astype
(
self
.
data_type
)),
(
"scales1"
,
np
.
array
(
[
self
.
activation_scale
]).
astype
(
self
.
data_
type
))]
'Scales'
:
[(
"scales0"
,
np
.
array
(
scales
).
astype
(
self
.
dtype
)),
(
"scales1"
,
np
.
array
([
self
.
activation_scale
]).
astype
(
self
.
d
type
))]
}
self
.
attrs
=
{
'quant_bits'
:
self
.
quant_bits
}
self
.
outputs
=
{
'Out'
:
ydq
}
...
...
@@ -100,16 +104,28 @@ class TestFakeChannelWiseDequantizeMaxAbsOpTwoScales(OpTest):
self
.
check_output
()
class
TestFakeChannelWiseDequantizeMaxAbsOpTwoScalesFloat16
(
TestFakeChannelWiseDequantizeMaxAbsOpTwoScales
):
def
set_dtype
(
self
):
self
.
dtype
=
np
.
float16
def
test_check_output
(
self
):
self
.
check_output
(
atol
=
1e-2
)
class
TestFakeChannelWiseDequantizeMaxAbsOpOneScale
(
OpTest
):
def
set_args
(
self
):
self
.
quant_bits
=
[
8
]
self
.
data_type
=
"float32"
self
.
quant_axis
=
0
def
set_dtype
(
self
):
self
.
dtype
=
np
.
float32
def
setUp
(
self
):
self
.
set_args
()
self
.
set_dtype
()
self
.
op_type
=
"fake_channel_wise_dequantize_max_abs"
x
=
np
.
random
.
randn
(
4
,
3
,
64
,
64
).
astype
(
self
.
d
ata_
type
)
x
=
np
.
random
.
randn
(
4
,
3
,
64
,
64
).
astype
(
self
.
dtype
)
yq
,
scales
=
channel_wise_quantize_max_abs
(
x
,
self
.
quant_bits
[
0
],
self
.
quant_axis
)
ydq
=
channel_wise_dequantize_max_abs
(
yq
,
scales
,
self
.
quant_bits
,
...
...
@@ -117,7 +133,7 @@ class TestFakeChannelWiseDequantizeMaxAbsOpOneScale(OpTest):
self
.
inputs
=
{
'X'
:
yq
,
'Scales'
:
[(
"scales0"
,
np
.
array
(
scales
).
astype
(
self
.
d
ata_
type
))]
'Scales'
:
[(
"scales0"
,
np
.
array
(
scales
).
astype
(
self
.
dtype
))]
}
self
.
attrs
=
{
'quant_bits'
:
self
.
quant_bits
,
...
...
@@ -133,24 +149,44 @@ class TestFakeChannelWiseDequantizeMaxAbsOpOneScale1(
TestFakeChannelWiseDequantizeMaxAbsOpOneScale
):
def
set_args
(
self
):
self
.
quant_bits
=
[
8
]
self
.
data_type
=
"float32"
self
.
quant_axis
=
1
class
TestFakeChannelWiseDequantizeMaxAbsOpOneScaleFloat16
(
TestFakeChannelWiseDequantizeMaxAbsOpOneScale
):
def
set_dtype
(
self
):
self
.
dtype
=
np
.
float16
def
test_check_output
(
self
):
self
.
check_output
(
atol
=
1e-2
)
class
TestFakeChannelWiseDequantizeMaxAbsOpOneScale1Float16
(
TestFakeChannelWiseDequantizeMaxAbsOpOneScale1
):
def
set_dtype
(
self
):
self
.
dtype
=
np
.
float16
def
test_check_output
(
self
):
self
.
check_output
(
atol
=
1e-2
)
class
TestFakeDequantizeMaxAbsOp
(
OpTest
):
def
set_args
(
self
):
self
.
num_bits
=
8
self
.
max_range
=
math
.
pow
(
2
,
self
.
num_bits
-
1
)
-
1
self
.
data_type
=
"float32"
def
set_dtype
(
self
):
self
.
dtype
=
np
.
float32
def
setUp
(
self
):
self
.
set_args
()
self
.
set_dtype
()
self
.
op_type
=
"fake_dequantize_max_abs"
x
=
np
.
random
.
randn
(
31
,
65
).
astype
(
self
.
d
ata_
type
)
x
=
np
.
random
.
randn
(
31
,
65
).
astype
(
self
.
dtype
)
yq
,
scale
=
quantize_max_abs
(
x
,
self
.
max_range
)
ydq
=
dequantize_max_abs
(
yq
,
scale
,
self
.
max_range
)
self
.
inputs
=
{
'X'
:
yq
,
'Scale'
:
np
.
array
(
scale
).
astype
(
self
.
d
ata_
type
)}
self
.
inputs
=
{
'X'
:
yq
,
'Scale'
:
np
.
array
(
scale
).
astype
(
self
.
dtype
)}
self
.
attrs
=
{
'max_range'
:
self
.
max_range
}
self
.
outputs
=
{
'Out'
:
ydq
}
...
...
@@ -159,17 +195,22 @@ class TestFakeDequantizeMaxAbsOp(OpTest):
class
TestFakeDequantizeMaxAbsOpDouble
(
TestFakeDequantizeMaxAbsOp
):
def
set_args
(
self
):
self
.
num_bits
=
8
self
.
max_range
=
math
.
pow
(
2
,
self
.
num_bits
-
1
)
-
1
self
.
data_type
=
"float64"
def
set_dtype
(
self
):
self
.
dtype
=
np
.
float64
class
TestFakeDequantizeMaxAbsOp5Bits
(
TestFakeDequantizeMaxAbsOp
):
def
set_args
(
self
):
self
.
num_bits
=
5
self
.
max_range
=
math
.
pow
(
2
,
self
.
num_bits
-
1
)
-
1
self
.
data_type
=
"float32"
class
TestFakeDequantizeMaxAbsOpFloat16
(
TestFakeDequantizeMaxAbsOp
):
def
set_dtype
(
self
):
self
.
dtype
=
np
.
float16
def
test_check_output
(
self
):
self
.
check_output
(
atol
=
1e-2
)
class
TestChannelWiseDequantizeOp
(
OpTest
):
...
...
python/paddle/fluid/tests/unittests/test_fake_quantize_op.py
浏览文件 @
9783e887
#
Copyright (c) 2018
PaddlePaddle Authors. All Rights Reserved.
#
Copyright (c) 2022
PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
...
...
@@ -15,364 +15,313 @@
from
__future__
import
print_function
import
unittest
import
itertools
import
numpy
as
np
import
math
from
op_test
import
OpTest
import
paddle.fluid.core
as
core
class
TestFakeQuantizeOp
(
OpTest
):
def
setUp
(
self
):
self
.
op_type
=
"fake_quantize_abs_max"
self
.
attrs
=
{
'bit_length'
:
8
}
self
.
inputs
=
{
'X'
:
np
.
random
.
random
((
124
,
240
)).
astype
(
"float32"
),
}
scale
=
np
.
max
(
np
.
abs
(
self
.
inputs
[
'X'
])).
astype
(
"float32"
)
self
.
outputs
=
{
'Out'
:
np
.
round
(
self
.
inputs
[
'X'
]
/
scale
*
(
(
1
<<
(
self
.
attrs
[
'bit_length'
]
-
1
))
-
1
)),
'OutScale'
:
np
.
array
(
scale
).
astype
(
"float32"
),
}
# numpy.round has different behavior in comparision to c++ round function
# so we use round_c instead of numpy.round to align the output data
def
round_c_single_element
(
val
):
dtype
=
type
(
val
)
if
val
>=
0
:
return
dtype
(
np
.
floor
(
val
+
0.5
))
return
dtype
(
np
.
ceil
(
val
-
0.5
))
def
test_check_output
(
self
):
self
.
check_output
()
round_c
=
np
.
vectorize
(
round_c_single_element
)
class
TestFakeQuantizeOp1
(
OpTest
):
def
setUp
(
self
):
self
.
op_type
=
"fake_quantize_abs_max"
self
.
attrs
=
{
'bit_length'
:
8
}
self
.
inputs
=
{
'X'
:
np
.
zeros
((
10
,
10
)).
astype
(
"float32"
),
}
scale
=
np
.
max
(
np
.
abs
(
self
.
inputs
[
'X'
])).
astype
(
"float32"
)
inv_scale
=
1.0
/
(
scale
+
1e-6
)
if
scale
<
1e-30
else
1.0
/
scale
self
.
outputs
=
{
'Out'
:
np
.
round
(
self
.
inputs
[
'X'
]
*
inv_scale
*
(
(
1
<<
(
self
.
attrs
[
'bit_length'
]
-
1
))
-
1
)),
'OutScale'
:
np
.
array
(
scale
).
astype
(
"float32"
),
}
def
test_check_output
(
self
):
self
.
check_output
()
def
get_compute_type
(
dtype
):
assert
dtype
in
[
np
.
float16
,
np
.
float32
,
np
.
float64
]
if
dtype
==
np
.
float16
:
return
np
.
float32
return
dtype
class
TestFakeQuantize
Op2
(
OpTest
):
class
TestFakeQuantize
AbsMaxOp
(
OpTest
):
def
setUp
(
self
):
self
.
op_type
=
"fake_quantize_abs_max"
self
.
op_type
=
'fake_quantize_abs_max'
self
.
attrs
=
{
'bit_length'
:
8
}
self
.
inputs
=
{
'X'
:
np
.
full
((
10
,
10
),
1e-40
).
astype
(
"float32"
),
}
scale
=
np
.
max
(
np
.
abs
(
self
.
inputs
[
'X'
])).
astype
(
"float32"
)
inv_scale
=
1.0
/
(
scale
+
1e-6
)
if
scale
<
1e-30
else
1.0
/
scale
self
.
outputs
=
{
'Out'
:
np
.
round
(
self
.
inputs
[
'X'
]
*
inv_scale
*
(
(
1
<<
(
self
.
attrs
[
'bit_length'
]
-
1
))
-
1
)),
'OutScale'
:
np
.
array
(
scale
).
astype
(
"float32"
),
}
def
test_check_output
(
self
):
def
_fake_quantize_abs_max
(
self
,
dtype
,
input_shape
,
distribution
):
input_data
=
distribution
(
input_shape
).
astype
(
dtype
)
compute_type
=
get_compute_type
(
dtype
)
scale
=
np
.
max
(
np
.
abs
(
input_data
))
bnt
=
(
1
<<
(
self
.
attrs
[
'bit_length'
]
-
1
))
-
1
inv_scale
=
1.0
/
(
scale
+
1e-6
)
if
scale
<
1e-30
else
1.0
/
scale
output_data
=
round_c
(
input_data
.
astype
(
compute_type
)
*
inv_scale
*
bnt
)
self
.
inputs
=
{
'X'
:
input_data
}
self
.
outputs
=
{
'Out'
:
output_data
,
'OutScale'
:
scale
}
self
.
dtype
=
dtype
self
.
check_output
()
def
test_fake_quantize_abs_max
(
self
):
self
.
_fake_quantize_abs_max
(
np
.
float32
,
(
124
,
240
),
np
.
random
.
random
)
class
TestFakeChannelWiseQuantizeOp
(
OpTest
):
def
setUp
(
self
):
self
.
set_arg
()
assert
self
.
quant_axis
in
[
0
,
1
],
"quant_axis should be 0 or 1."
def
test_fake_quantize_abs_max_float16
(
self
):
self
.
_fake_quantize_abs_max
(
np
.
float16
,
(
124
,
240
),
np
.
random
.
random
)
self
.
op_type
=
"fake_channel_wise_quantize_abs_max"
self
.
attrs
=
{
'bit_length'
:
8
,
'quant_axis'
:
self
.
quant_axis
}
def
test_fake_quantize_abs_max_underflow
(
self
):
self
.
_fake_quantize_abs_max
(
np
.
float32
,
(
10
,
10
),
np
.
zeros
)
scales
=
[]
outputs
=
self
.
inputs
[
'X'
].
copy
()
bnt
=
(
1
<<
(
self
.
attrs
[
'bit_length'
]
-
1
))
-
1
if
self
.
quant_axis
==
0
:
for
i
in
range
(
self
.
inputs
[
'X'
].
shape
[
0
]):
scale_v
=
np
.
max
(
np
.
abs
(
self
.
inputs
[
'X'
][
i
])).
astype
(
"float32"
)
scales
.
append
(
scale_v
)
outputs
[
i
]
=
np
.
round
(
outputs
[
i
]
/
scale_v
*
bnt
)
elif
self
.
quant_axis
==
1
:
for
i
in
range
(
self
.
inputs
[
'X'
].
shape
[
1
]):
scale_v
=
np
.
max
(
np
.
abs
(
self
.
inputs
[
'X'
][:,
i
])).
astype
(
"float32"
)
scales
.
append
(
scale_v
)
outputs
[:,
i
]
=
np
.
round
(
outputs
[:,
i
]
/
scale_v
*
bnt
)
def
test_fake_quantize_abs_max_underflow2
(
self
):
self
.
_fake_quantize_abs_max
(
np
.
float32
,
(
10
,
10
),
lambda
shape
:
np
.
full
(
shape
,
1e-40
))
self
.
outputs
=
{
'Out'
:
outputs
,
'OutScale'
:
np
.
array
(
scales
).
astype
(
"float32"
),
}
def
set_arg
(
self
):
self
.
quant_axis
=
0
self
.
inputs
=
{
'X'
:
np
.
random
.
random
((
20
,
15
,
6
,
6
)).
astype
(
"float32"
),
}
class
TestFakeChannelWiseQuantizeAbsMaxOp
(
OpTest
):
def
setUp
(
self
):
self
.
op_type
=
'fake_channel_wise_quantize_abs_max'
self
.
attrs
=
{
'bit_length'
:
8
}
def
test_check_output
(
self
):
def
_fake_channel_wise_quantize_abs_max
(
self
,
dtype
,
input_shape
,
quant_axis
,
distribution
):
assert
quant_axis
in
[
0
,
1
],
'quant_axis should be 0 or 1.'
input_data
=
distribution
(
input_shape
).
astype
(
dtype
)
compute_type
=
get_compute_type
(
dtype
)
bnt
=
(
1
<<
(
self
.
attrs
[
'bit_length'
]
-
1
))
-
1
compute_axis
=
tuple
(
i
for
i
in
range
(
len
(
input_shape
))
if
i
!=
quant_axis
)
scale_broadcast
=
np
.
amax
(
input_data
,
axis
=
compute_axis
,
keepdims
=
True
)
output_data
=
round_c
(
bnt
*
input_data
.
astype
(
compute_type
)
/
scale_broadcast
)
if
quant_axis
==
1
:
scale_broadcast
=
np
.
transpose
(
scale_broadcast
,
(
1
,
)
+
compute_axis
)
scale
=
scale_broadcast
.
reshape
(
input_shape
[
quant_axis
],
-
1
)[:,
0
]
self
.
inputs
=
{
'X'
:
input_data
}
self
.
outputs
=
{
'Out'
:
output_data
,
'OutScale'
:
scale
}
self
.
dtype
=
dtype
self
.
attrs
[
'quant_axis'
]
=
quant_axis
self
.
check_output
()
class
TestFakeChannelWiseQuantizeOp1
(
TestFakeChannelWiseQuantizeOp
):
def
set_quant_axis
(
self
):
self
.
quant_axis
=
1
self
.
inputs
=
{
'X'
:
np
.
random
.
random
((
15
,
20
,
5
,
5
)).
astype
(
"float32"
),
}
class
TestFakeChannelWiseQuantizeOp2
(
TestFakeChannelWiseQuantizeOp
):
def
set_quant_axis
(
self
):
self
.
quant_axis
=
0
self
.
inputs
=
{
'X'
:
np
.
random
.
random
((
30
,
15
)).
astype
(
"float32"
),
}
class
TestFakeChannelWiseQuantizeOp3
(
TestFakeChannelWiseQuantizeOp
):
def
set_quant_axis
(
self
):
self
.
quant_axis
=
1
self
.
inputs
=
{
'X'
:
np
.
random
.
random
((
30
,
15
)).
astype
(
"float32"
),
}
def
test_fake_channel_wise_quantize_abs_max
(
self
):
dtype_options
=
[
np
.
float32
,
np
.
float16
]
input_shape_quant_axis_options
=
[[(
20
,
15
,
6
,
6
),
0
],
[(
15
,
20
,
5
,
5
),
1
],
[(
30
,
15
),
0
],
[(
30
,
15
),
1
]]
for
dtype
,
input_shape_quant_axis
in
itertools
.
product
(
dtype_options
,
input_shape_quant_axis_options
):
input_shape
,
quant_axis
=
input_shape_quant_axis
with
self
.
subTest
(
dtype
=
dtype
,
input_shape
=
input_shape
,
quant_axis
=
quant_axis
):
self
.
_fake_channel_wise_quantize_abs_max
(
dtype
,
input_shape
,
quant_axis
,
np
.
random
.
random
)
class
TestFakeQuantizeRangeAbsMaxOp
(
OpTest
):
def
setUp
(
self
):
self
.
op_type
=
"fake_quantize_range_abs_max"
self
.
attrs
=
{
'bit_length'
:
int
(
5
),
'window_size'
:
int
(
1
),
'is_test'
:
False
}
x
=
(
np
.
random
.
random
((
8
,
16
,
7
,
7
))
-
0.5
)
*
10
x
=
x
.
astype
(
"float32"
)
self
.
op_type
=
'fake_quantize_range_abs_max'
self
.
attrs
=
{
'bit_length'
:
5
,
'window_size'
:
1
}
def
_fake_quantize_range_abs_max
(
self
,
dtype
,
input_shape
,
distribution
,
is_test
=
False
):
input_data
=
distribution
(
input_shape
).
astype
(
dtype
)
compute_type
=
get_compute_type
(
dtype
)
bnt
=
(
1
<<
(
self
.
attrs
[
'bit_length'
]
-
1
))
-
1
in_scale
=
np
.
zeros
(
1
).
astype
(
dtype
)
out_scale
=
np
.
zeros
(
self
.
attrs
[
'window_size'
]).
astype
(
dtype
)
out_scale
[
0
]
=
np
.
max
(
np
.
abs
(
input_data
))
if
is_test
:
out_scale
[
0
]
=
in_scale
[
0
]
=
out_scale
[
0
]
-
1.0
clip_data
=
np
.
clip
(
input_data
,
-
in_scale
,
in_scale
)
else
:
clip_data
=
input_data
output_data
=
round_c
(
clip_data
.
astype
(
compute_type
)
/
out_scale
[
0
]
*
bnt
)
self
.
inputs
=
{
'X'
:
x
,
'Iter'
:
np
.
zeros
(
1
).
astype
(
"int64"
),
'InScale'
:
np
.
zeros
(
1
).
astype
(
"float32"
)
'X'
:
input_data
,
'Iter'
:
np
.
zeros
(
1
).
astype
(
np
.
int64
),
'InScale'
:
in_scale
}
scale
=
np
.
max
(
np
.
abs
(
self
.
inputs
[
'X'
])).
astype
(
"float32"
)
out_scales
=
np
.
zeros
(
self
.
attrs
[
'window_size'
]).
astype
(
"float32"
)
out_scales
[
0
]
=
scale
self
.
outputs
=
{
'Out'
:
np
.
round
(
self
.
inputs
[
'X'
]
/
scale
*
(
(
1
<<
(
self
.
attrs
[
'bit_length'
]
-
1
))
-
1
)),
'OutScale'
:
scale
,
'OutScales'
:
out_scales
,
'Out'
:
output_data
,
'OutScale'
:
out_scale
[
0
],
'OutScales'
:
out_scale
}
def
test_check_output
(
self
):
self
.
dtype
=
dtype
self
.
attrs
[
'is_test'
]
=
is_test
self
.
check_output
()
def
test_fake_quantize_range_abs_max
(
self
):
dtype_options
=
[
np
.
float32
,
np
.
float16
]
is_test_options
=
[
False
,
True
]
for
dtype
,
is_test
in
itertools
.
product
(
dtype_options
,
is_test_options
):
self
.
attrs
[
'bit_length'
]
=
8
if
is_test
else
5
with
self
.
subTest
(
dtype
=
dtype
,
is_test
=
is_test
):
self
.
_fake_quantize_range_abs_max
(
dtype
,
(
8
,
16
,
7
,
7
),
lambda
shape
:
(
np
.
random
.
random
(
shape
)
-
0.5
)
*
10
,
is_test
=
is_test
)
class
TestMovingAverageAbsMaxScaleOp
(
OpTest
):
def
setUp
(
self
):
self
.
op_type
=
"moving_average_abs_max_scale"
self
.
op_type
=
'moving_average_abs_max_scale'
self
.
attrs
=
{
'moving_rate'
:
float
(
0.9
),
'is_test'
:
False
}
accum
=
np
.
zeros
(
1
).
astype
(
"float32"
)
accum
[
0
]
=
1
state
=
np
.
zeros
(
1
).
astype
(
"float32"
)
state
[
0
]
=
1
x
=
np
.
random
.
random
((
8
,
16
,
7
,
7
)).
astype
(
"float32"
)
self
.
inputs
=
{
'X'
:
x
,
'InAccum'
:
accum
,
'InState'
:
state
,
}
out
=
x
out_accum
=
np
.
zeros
(
1
).
astype
(
"float32"
)
out_state
=
np
.
zeros
(
1
).
astype
(
"float32"
)
out_scale
=
np
.
zeros
(
1
).
astype
(
"float32"
)
out_accum
[
0
]
=
self
.
attrs
[
'moving_rate'
]
*
accum
[
0
]
+
np
.
max
(
np
.
abs
(
self
.
inputs
[
'X'
])).
astype
(
"float32"
)
out_state
[
0
]
=
self
.
attrs
[
'moving_rate'
]
*
state
[
0
]
+
1
def
_moving_average_abs_max_scale
(
self
,
dtype
,
input_shape
,
distribution
):
input_data
=
distribution
(
input_shape
).
astype
(
dtype
)
in_accum
=
np
.
ones
(
1
).
astype
(
dtype
)
in_state
=
np
.
ones
(
1
).
astype
(
dtype
)
out_accum
=
self
.
attrs
[
'moving_rate'
]
*
in_
accum
[
0
]
+
np
.
max
(
np
.
abs
(
input_data
)
)
out_state
=
self
.
attrs
[
'moving_rate'
]
*
in_state
[
0
]
+
1.0
out_scale
=
out_accum
/
out_state
self
.
inputs
=
{
'X'
:
input_data
,
'InAccum'
:
in_accum
,
'InState'
:
in_state
}
self
.
outputs
=
{
'Out'
:
out
,
'Out'
:
input_data
,
'OutAccum'
:
out_accum
,
'OutState'
:
out_state
,
'OutScale'
:
out_scale
,
'OutScale'
:
out_scale
}
def
test_check_output
(
self
):
self
.
dtype
=
dtype
self
.
check_output
()
class
TestFakeQuantizeRangeAbsMaxOp2
(
OpTest
):
def
setUp
(
self
):
self
.
op_type
=
"fake_quantize_range_abs_max"
self
.
attrs
=
{
'bit_length'
:
int
(
8
),
'window_size'
:
int
(
1
),
'is_test'
:
True
}
x
=
(
np
.
random
.
random
((
8
,
16
,
7
,
7
))
-
0.5
)
*
10
x
=
x
.
astype
(
"float32"
)
scale
=
np
.
array
([
np
.
max
(
np
.
abs
(
x
)).
astype
(
"float32"
)
-
1.0
])
out_scales
=
np
.
zeros
(
self
.
attrs
[
'window_size'
]).
astype
(
"float32"
)
out_scales
[
0
]
=
scale
self
.
inputs
=
{
'X'
:
x
,
'Iter'
:
np
.
zeros
(
1
).
astype
(
"int64"
),
'InScale'
:
scale
.
astype
(
"float32"
)
}
xs
=
np
.
clip
(
x
,
-
scale
,
scale
)
qs
=
np
.
round
(
xs
/
scale
*
((
1
<<
(
self
.
attrs
[
'bit_length'
]
-
1
))
-
1
))
self
.
outputs
=
{
'Out'
:
qs
,
'OutScale'
:
scale
.
astype
(
"float32"
),
'OutScales'
:
out_scales
,
}
def
test_check_output
(
self
):
self
.
check_output
(
no_check_set
=
set
([
'OutScale'
,
'OutScales'
]))
def
test_moving_average_abs_max
(
self
):
self
.
_moving_average_abs_max_scale
(
np
.
float32
,
(
8
,
16
,
7
,
7
),
np
.
random
.
random
)
class
Test
MovingOpBase
(
OpTest
):
class
Test
FakeQuantizeMovingAverageAbsMaxOp
(
OpTest
):
def
setUp
(
self
):
self
.
init_type
()
self
.
attrs
=
{
'bit_length'
:
int
(
5
),
'moving_rate'
:
float
(
0.9
),
'is_test'
:
False
}
accum
=
np
.
zeros
(
1
).
astype
(
"float32"
)
accum
[
0
]
=
1
state
=
np
.
zeros
(
1
).
astype
(
"float32"
)
state
[
0
]
=
1
scale
=
np
.
zeros
(
1
).
astype
(
"float32"
)
scale
[
0
]
=
0.001
self
.
op_type
=
'fake_quantize_moving_average_abs_max'
self
.
attrs
=
{
'bit_length'
:
5
,
'moving_rate'
:
0.9
,
'is_test'
:
False
}
def
_fake_quantize_moving_average_abs_max
(
self
,
dtype
,
input_shape
,
distribution
,
dequantize
=
False
,
with_gradient
=
False
):
input_data
=
distribution
(
input_shape
).
astype
(
dtype
)
compute_type
=
get_compute_type
(
dtype
)
bnt
=
(
1
<<
(
self
.
attrs
[
'bit_length'
]
-
1
))
-
1
in_accum
=
np
.
ones
(
1
).
astype
(
dtype
)
in_state
=
np
.
ones
(
1
).
astype
(
dtype
)
in_scale
=
np
.
array
([
0.001
]).
astype
(
dtype
)
out_accum
=
np
.
zeros
(
1
).
astype
(
dtype
)
out_state
=
np
.
zeros
(
1
).
astype
(
dtype
)
out_scale
=
np
.
zeros
(
1
).
astype
(
dtype
)
out_accum
[
0
]
=
self
.
attrs
[
'moving_rate'
]
*
in_accum
[
0
]
+
np
.
max
(
np
.
abs
(
input_data
))
out_state
[
0
]
=
self
.
attrs
[
'moving_rate'
]
*
in_state
[
0
]
+
1.0
out_scale
=
out_accum
/
out_state
round_data
=
round_c
(
input_data
.
astype
(
compute_type
)
/
out_scale
*
bnt
)
if
dequantize
:
output_data
=
(
round_data
*
out_scale
/
bnt
).
astype
(
dtype
)
self
.
op_type
=
'fake_quantize_dequantize_moving_average_abs_max'
else
:
output_data
=
round_data
.
astype
(
dtype
)
self
.
inputs
=
{
'X'
:
np
.
random
.
random
((
8
,
16
,
7
,
7
)).
astype
(
"float32"
)
,
'InScale'
:
scale
,
'InAccum'
:
accum
,
'InState'
:
state
,
'X'
:
input_data
,
'InScale'
:
in_
scale
,
'InAccum'
:
in_
accum
,
'InState'
:
in_state
}
out_accum
=
np
.
zeros
(
1
).
astype
(
"float32"
)
out_state
=
np
.
zeros
(
1
).
astype
(
"float32"
)
out_scale
=
np
.
zeros
(
1
).
astype
(
"float32"
)
out_accum
[
0
]
=
self
.
attrs
[
'moving_rate'
]
*
accum
[
0
]
+
np
.
max
(
np
.
abs
(
self
.
inputs
[
'X'
])).
astype
(
"float32"
)
out_state
[
0
]
=
self
.
attrs
[
'moving_rate'
]
*
state
[
0
]
+
1
out_scale
=
out_accum
/
out_state
out_data
=
self
.
calc_output
(
out_scale
)
self
.
outputs
=
{
'Out'
:
out_data
,
'Out'
:
out
put
_data
,
'OutAccum'
:
out_accum
,
'OutState'
:
out_state
,
'OutScale'
:
out_scale
,
'OutScale'
:
out_scale
}
def
init_type
(
self
):
self
.
op_type
=
"fake_quantize_moving_average_abs_max"
def
calc_output
(
self
,
out_scale
):
return
np
.
round
(
self
.
inputs
[
'X'
]
/
out_scale
*
(
(
1
<<
(
self
.
attrs
[
'bit_length'
]
-
1
))
-
1
))
def
test_check_output
(
self
):
self
.
dtype
=
dtype
self
.
check_output
()
if
with_gradient
:
gradient
=
[
np
.
ones
(
input_data
.
shape
)
/
np
.
product
(
input_data
.
shape
)
]
self
.
check_grad
([
'X'
],
'Out'
,
user_defined_grads
=
gradient
)
def
test_fake_quantize_moving_average_abs_max
(
self
):
self
.
_fake_quantize_moving_average_abs_max
(
np
.
float32
,
(
8
,
16
,
7
,
7
),
np
.
random
.
random
)
class
TestFakeQuantDequantMovingOp
(
TestMovingOpBase
):
def
init_type
(
self
):
self
.
op_type
=
"fake_quantize_dequantize_moving_average_abs_max"
def
calc_output
(
self
,
out_scale
):
range_v
=
(
1
<<
(
self
.
attrs
[
'bit_length'
]
-
1
))
-
1
return
np
.
round
(
self
.
inputs
[
'X'
]
/
out_scale
*
range_v
)
*
out_scale
/
range_v
def
test_fake_quantize_moving_average_abs_max_float16
(
self
):
self
.
_fake_quantize_moving_average_abs_max
(
np
.
float16
,
(
8
,
16
,
7
,
7
),
np
.
random
.
random
)
def
test_check_grad
(
self
):
x
=
self
.
inputs
[
"X"
]
gradient
=
[
np
.
ones
(
x
.
shape
)
/
np
.
product
(
x
.
shape
)]
self
.
check_grad
([
"X"
],
"Out"
,
user_defined_grads
=
gradient
)
def
test_fake_quantize_dequantize_moving_average_abs_max
(
self
):
self
.
_fake_quantize_moving_average_abs_max
(
np
.
float32
,
(
8
,
16
,
7
,
7
),
np
.
random
.
random
,
dequantize
=
True
,
with_gradient
=
True
)
class
TestFakeQuant
DequantAbs
Op
(
OpTest
):
class
TestFakeQuant
izeDequantizeAbsMax
Op
(
OpTest
):
def
setUp
(
self
):
self
.
op_type
=
"fake_quantize_dequantize_abs_max"
self
.
op_type
=
'fake_quantize_dequantize_abs_max'
self
.
attrs
=
{
'bit_length'
:
8
}
self
.
inputs
=
{
'X'
:
np
.
random
.
random
((
124
,
240
)).
astype
(
"float32"
),
}
scale
=
np
.
max
(
np
.
abs
(
self
.
inputs
[
'X'
])).
astype
(
"float32"
)
out_data
=
self
.
calc_output
(
scale
)
def
_fake_quantize_dequantize_abs_max
(
self
,
dtype
,
input_shape
,
distribution
):
input_data
=
distribution
(
input_shape
).
astype
(
dtype
)
scale
=
np
.
max
(
np
.
abs
(
input_data
)).
astype
(
dtype
)
bnt
=
(
1
<<
(
self
.
attrs
[
'bit_length'
]
-
1
))
-
1
output_data
=
round_c
(
input_data
/
scale
*
bnt
)
*
scale
/
bnt
self
.
inputs
=
{
'X'
:
input_data
}
self
.
outputs
=
{
'Out'
:
out_data
,
'OutScale'
:
np
.
array
(
scale
).
astype
(
"float32"
),
'Out'
:
out
put
_data
,
'OutScale'
:
np
.
array
(
scale
).
astype
(
dtype
)
}
def
calc_output
(
self
,
scale
):
range_v
=
(
1
<<
(
self
.
attrs
[
'bit_length'
]
-
1
))
-
1
return
np
.
round
(
self
.
inputs
[
'X'
]
/
scale
*
range_v
)
*
scale
/
range_v
def
test_check_output
(
self
):
self
.
dtype
=
dtype
self
.
check_output
()
gradient
=
[
np
.
ones
(
input_data
.
shape
)
/
np
.
product
(
input_data
.
shape
)]
self
.
check_grad
([
'X'
],
'Out'
,
user_defined_grads
=
gradient
)
def
test_check_grad
(
self
):
x
=
self
.
inputs
[
"X"
]
gradient
=
[
np
.
ones
(
x
.
shape
)
/
np
.
product
(
x
.
shape
)]
self
.
check_grad
([
"X"
],
"Out"
,
user_defined_grads
=
gradient
)
def
test_fake_quantize_dequantize_abs_max
(
self
):
self
.
_fake_quantize_dequantize_abs_max
(
np
.
float32
,
(
124
,
240
),
np
.
random
.
random
)
class
TestChannelWiseFakeQuant
Dequant
Op
(
OpTest
):
class
TestChannelWiseFakeQuant
izeDequantizeAbsMax
Op
(
OpTest
):
def
setUp
(
self
):
self
.
set_arg
()
assert
self
.
quant_axis
in
[
0
,
1
],
"quant_axis should be 0 or 1."
self
.
op_type
=
"fake_channel_wise_quantize_dequantize_abs_max"
self
.
attrs
=
{
'bit_length'
:
8
,
'quant_axis'
:
self
.
quant_axis
}
scales
=
[]
outputs
=
self
.
inputs
[
'X'
].
copy
()
range_v
=
(
1
<<
(
self
.
attrs
[
'bit_length'
]
-
1
))
-
1
if
self
.
quant_axis
==
0
:
for
i
in
range
(
self
.
inputs
[
'X'
].
shape
[
0
]):
scale_v
=
np
.
max
(
np
.
abs
(
self
.
inputs
[
'X'
][
i
])).
astype
(
"float32"
)
scales
.
append
(
scale_v
)
outputs
[
i
]
=
np
.
round
(
outputs
[
i
]
*
range_v
/
scale_v
)
*
scale_v
/
range_v
elif
self
.
quant_axis
==
1
:
for
i
in
range
(
self
.
inputs
[
'X'
].
shape
[
1
]):
scale_v
=
np
.
max
(
np
.
abs
(
self
.
inputs
[
'X'
][:,
i
])).
astype
(
"float32"
)
scales
.
append
(
scale_v
)
outputs
[:,
i
]
=
np
.
round
(
outputs
[:,
i
]
*
range_v
/
scale_v
)
*
scale_v
/
range_v
self
.
outputs
=
{
'Out'
:
outputs
,
'OutScale'
:
np
.
array
(
scales
).
astype
(
"float32"
),
}
def
set_arg
(
self
):
self
.
quant_axis
=
0
self
.
inputs
=
{
'X'
:
np
.
random
.
random
((
3
,
4
,
64
,
64
)).
astype
(
"float32"
),
}
self
.
op_type
=
'fake_channel_wise_quantize_dequantize_abs_max'
self
.
attrs
=
{
'bit_length'
:
8
}
def
test_check_output
(
self
):
def
_fake_channel_wise_quantize_dequantize_abs_max
(
self
,
dtype
,
input_shape
,
quant_axis
,
distribution
):
assert
quant_axis
in
[
0
,
1
],
'quant_axis should be 0 or 1.'
input_data
=
distribution
(
input_shape
).
astype
(
dtype
)
compute_type
=
get_compute_type
(
dtype
)
bnt
=
(
1
<<
(
self
.
attrs
[
'bit_length'
]
-
1
))
-
1
output_data
=
input_data
.
copy
().
astype
(
compute_type
)
compute_axis
=
tuple
(
i
for
i
in
range
(
len
(
input_shape
))
if
i
!=
quant_axis
)
scale_broadcast
=
np
.
amax
(
input_data
,
axis
=
compute_axis
,
keepdims
=
True
)
output_data
=
round_c
(
bnt
*
output_data
/
scale_broadcast
)
*
scale_broadcast
/
bnt
if
quant_axis
==
1
:
scale_broadcast
=
np
.
transpose
(
scale_broadcast
,
(
1
,
)
+
compute_axis
)
scale
=
scale_broadcast
.
reshape
(
input_shape
[
quant_axis
],
-
1
)[:,
0
]
self
.
inputs
=
{
'X'
:
input_data
}
self
.
outputs
=
{
'Out'
:
output_data
,
'OutScale'
:
scale
}
self
.
dtype
=
dtype
self
.
attrs
[
'quant_axis'
]
=
quant_axis
self
.
check_output
()
gradient
=
[
np
.
ones
(
input_data
.
shape
)
/
np
.
product
(
input_data
.
shape
)]
self
.
check_grad
([
'X'
],
'Out'
,
user_defined_grads
=
gradient
)
def
test_check_grad
(
self
):
x
=
self
.
inputs
[
"X"
]
gradient
=
[
np
.
ones
(
x
.
shape
)
/
np
.
product
(
x
.
shape
)]
self
.
check_grad
([
"X"
],
"Out"
,
user_defined_grads
=
gradient
)
class
TestChannelWiseFakeQuantDequantOp1
(
TestChannelWiseFakeQuantDequantOp
):
def
set_arg
(
self
):
self
.
quant_axis
=
1
self
.
inputs
=
{
'X'
:
np
.
random
.
random
((
15
,
20
,
5
,
5
)).
astype
(
"float32"
),
}
class
TestChannelWiseFakeQuantDequantOp2
(
TestChannelWiseFakeQuantDequantOp
):
def
set_arg
(
self
):
self
.
quant_axis
=
0
self
.
inputs
=
{
'X'
:
np
.
random
.
random
((
30
,
15
)).
astype
(
"float32"
),
}
class
TestChannelWiseFakeQuantDequantOp3
(
TestChannelWiseFakeQuantDequantOp
):
def
set_arg
(
self
):
self
.
quant_axis
=
1
self
.
inputs
=
{
'X'
:
np
.
random
.
random
((
30
,
15
)).
astype
(
"float32"
),
}
def
test_channel_wise_fake_quant_dequant_abs_max
(
self
):
input_shape_quant_axis_options
=
[[(
3
,
4
,
64
,
64
),
0
],
[(
15
,
20
,
5
,
5
),
1
],
[(
30
,
15
),
0
],
[(
30
,
15
),
1
]]
for
input_shape
,
quant_axis
in
input_shape_quant_axis_options
:
with
self
.
subTest
(
input_shape
=
input_shape
,
quant_axis
=
quant_axis
):
self
.
_fake_channel_wise_quantize_dequantize_abs_max
(
np
.
float32
,
input_shape
,
quant_axis
,
np
.
random
.
random
)
def
quantize_max_abs
(
x
,
max_range
):
...
...
@@ -514,5 +463,5 @@ class TestquantizeOpTrain(TestquantizeOp):
self
.
check_output
()
if
__name__
==
"__main__"
:
if
__name__
==
'__main__'
:
unittest
.
main
()
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