forked from huawei/mindspore2022
463 lines
24 KiB
Python
463 lines
24 KiB
Python
# Copyright 2020 Huawei Technologies Co., Ltd
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#
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# Licensed under the Apache License, Version 2.0(the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http: // www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# ============================================================================
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"""Operators for quantization."""
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from ..._checkparam import Validator as validator
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from ..._checkparam import Rel
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from ..primitive import PrimitiveWithInfer, prim_attr_register
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from ...common import dtype as mstype
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__all__ = ["FakeQuantWithMinMax",
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"FakeQuantWithMinMaxGrad",
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"FakeQuantWithMinMaxPerChannel",
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"FakeQuantWithMinMaxPerChannelGrad",
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"BatchNormFold",
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"BatchNormFoldGrad",
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"CorrectionMul",
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"CorrectionMulGrad",
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"BatchNormFold2",
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"BatchNormFold2Grad",
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]
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class FakeQuantWithMinMax(PrimitiveWithInfer):
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r"""
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Simulate the quantize and dequantize operations in training time.
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Args:
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num_bits (int) : Number bits for aware quantilization. Default: 8.
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ema (bool): Use EMA algorithm update value min and max. Default: False.
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ema_decay (int) : EMA algorithm decay parameter. Default: 0.999.
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quant_delay (int): Quantilization delay parameter. Before delay step in training time not update
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simulate aware quantize funcion. After delay step in training time begin simulate the aware
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quantize funcion. Default: 0.
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symmetric (bool): Quantization algorithm use symmetric or not. Default: False.
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narrow_range (bool): Quantization algorithm use narrow range or not. Default: False.
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training (bool): Training the network or not. Default: True.
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Inputs:
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- **x** (Tensor) : float32 Tensor representing the shape of the output tensor.
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- **min** (Tensor) : Value of the min range of the input data x.
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- **max** (Tensor) : Value of the max range of the input data x.
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Outputs:
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- Tensor: Simulate quantize tensor of x.
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Examples:
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>>> input_tensor = Tensor(np.random.rand(3, 16, 5, 5), mstype.float32)
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>>> min_tensor = Tensor(np.array([-6]), mstype.float32)
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>>> max_tensor = Tensor(np.array([6]), mstype.float32)
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>>> output_tensor = P.FakeQuantWithMinMax(num_bits=8)(input_tensor, min_tensor, max_tensor)
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"""
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support_quant_bit = [4, 7, 8]
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@prim_attr_register
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def __init__(self, num_bits=8, ema=False, ema_decay=0.999, quant_delay=0, symmetric=False, narrow_range=False,
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training=True):
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"""init FakeQuantWithMinMax OP"""
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if num_bits not in self.support_quant_bit:
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raise ValueError(f"For '{self.name}' attr \'num_bits\' is not support.")
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if ema and not ema_decay:
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raise ValueError(f"For '{self.name}' attr \'ema\' and \'ema_decay\' should set together.")
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self.ema = validator.check_value_type('ema', ema, (bool,), self.name)
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self.symmetric = validator.check_value_type('symmetric', symmetric, (bool,), self.name)
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self.narrow_range = validator.check_value_type('narrow_range', narrow_range, (bool,), self.name)
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self.training = validator.check_value_type('training', training, (bool,), self.name)
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self.ema_decay = validator.check_number_range('ema_decay', ema_decay, 0, 1, Rel.INC_BOTH, self.name)
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self.num_bits = validator.check_integer('num_bits', num_bits, 0, Rel.GT, self.name)
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self.quant_delay = validator.check_value_type('quant_delay', quant_delay, (int,), self.name)
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self.init_prim_io_names(inputs=['x', 'min', 'max'],
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outputs=['out'])
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def infer_shape(self, x_shape, min_shape, max_shape):
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validator.check_integer("x rank", len(x_shape), 1, Rel.GT, self.name)
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validator.check("min shape", min_shape, "max shape", max_shape, Rel.EQ, self.name)
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validator.check_integer("min rank", len(min_shape), 1, Rel.EQ, self.name)
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return x_shape
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def infer_dtype(self, x_type, min_type, max_type):
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valid_types = (mstype.float16, mstype.float32)
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validator.check_tensor_type_same({"x": x_type}, valid_types, self.name)
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validator.check_tensor_type_same({"min": min_type}, valid_types, self.name)
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validator.check_tensor_type_same({"max": max_type}, valid_types, self.name)
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return x_type
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class FakeQuantWithMinMaxGrad(PrimitiveWithInfer):
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"""Performs grad of FakeQuantWithMinMax operation."""
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support_quant_bit = [4, 8]
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@prim_attr_register
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def __init__(self, num_bits=8, quant_delay=0):
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if num_bits not in self.support_quant_bit:
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raise ValueError(f"For '{self.name}' attr \'num_bits\' is not support.")
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self.quant_delay = validator.check_value_type('quant_delay', quant_delay, (int,), self.name)
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self.num_bits = validator.check_integer('num_bits', num_bits, 0, Rel.GT, self.name)
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self.init_prim_io_names(inputs=['dout', 'x', 'min', 'max'], outputs=['dx'])
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def infer_shape(self, dout_shape, x_shape, min_shape, max_shape):
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validator.check("dout shape", dout_shape, "x shape", x_shape, Rel.EQ, self.name)
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validator.check("min shape", min_shape, "max shape", max_shape, Rel.EQ, self.name)
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validator.check_integer("min rank", len(min_shape), 1, Rel.EQ, self.name)
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return dout_shape
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def infer_dtype(self, dout_type, x_type, min_type, max_type):
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valid_types = (mstype.float16, mstype.float32)
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validator.check_tensor_type_same({"dout": dout_type}, valid_types, self.name)
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validator.check_tensor_type_same({"x": x_type}, valid_types, self.name)
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validator.check_tensor_type_same({"min": min_type}, valid_types, self.name)
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validator.check_tensor_type_same({"max": max_type}, valid_types, self.name)
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return dout_type
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class FakeQuantWithMinMaxPerChannel(PrimitiveWithInfer):
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r"""
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Simulate the quantize and dequantize operations in training time base on per channel.
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Args:
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num_bits (int) : Number bits to quantilization. Default: 8.
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ema (bool): Use EMA algorithm update tensor min and tensor max. Default: False.
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ema_decay (int) : EMA algorithm decay parameter. Default: 0.999.
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quant_delay (int): Quantilization delay parameter. Before delay step in training time not
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update the weight data to simulate quantize operation. After delay step in training time
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begin simulate the quantize operation. Default: 0.
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symmetric (bool): Quantization algorithm use symmetric or not. Default: False.
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narrow_range (bool): Quantization algorithm use narrow range or not. Default: False.
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training (bool): Training the network or not. Default: True.
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Inputs:
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- **x** (Tensor) : 4-D float32 Tensor representing the shape of the output tensor.
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- **min** (int, float) : Value of the min range of the input data.
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- **max** (int, float) : Value of the max range of the input data.
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Outputs:
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- Tensor, has the same type as input.
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Examples:
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>>> input_tensor = Tensor(np.random.rand(3,4,5,5), mstype.float32)
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>>> min_tensor = Tensor(np.array([-6.0, -6.5, -4.0, -5.0]), mstype.float32)
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>>> max_tensor = Tensor(np.array([6.0, 6.5, 4.0, 5.0]), mstype.float32)
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>>> output_tensor = P.FakeQuantWithMinMax(num_bits=8)(input_tensor, min_tensor, max_tensor)
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"""
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support_quant_bit = [4, 8]
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channel_idx = 0
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@prim_attr_register
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def __init__(self, num_bits=8, ema=False, ema_decay=0.999, quant_delay=0, symmetric=False, narrow_range=False,
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training=True):
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"""init FakeQuantWithMinMaxPerChannel OP"""
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if num_bits not in self.support_quant_bit:
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raise ValueError(f"For '{self.name}' Attr \'num_bits\' is not support.")
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if ema and not ema_decay:
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raise ValueError(f"For '{self.name}' attr \'ema\' and \'ema_decay\' should set together.")
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self.ema = validator.check_value_type('ema', ema, (bool,), self.name)
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self.symmetric = validator.check_value_type('symmetric', symmetric, (bool,), self.name)
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self.narrow_range = validator.check_value_type('narrow_range', narrow_range, (bool,), self.name)
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self.training = validator.check_value_type('training', training, (bool,), self.name)
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self.ema_decay = validator.check_number_range('ema_decay', ema_decay, 0, 1, Rel.INC_BOTH, self.name)
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self.num_bits = validator.check_integer('num_bits', num_bits, 0, Rel.GT, self.name)
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self.quant_delay = validator.check_value_type('quant_delay', quant_delay, (int,), self.name)
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self.init_prim_io_names(inputs=['x', 'min', 'max'], outputs=['out'])
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def infer_shape(self, x_shape, min_shape, max_shape):
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validator.check_integer("x rank", len(x_shape), 1, Rel.GT, self.name)
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validator.check_integer("min shape[0]", min_shape[0], x_shape[self.channel_idx], Rel.EQ, self.name)
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validator.check_integer("max shape[0]", max_shape[0], x_shape[self.channel_idx], Rel.EQ, self.name)
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return x_shape
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def infer_dtype(self, x_type, min_type, max_type):
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valid_types = (mstype.float16, mstype.float32)
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validator.check_tensor_type_same({"x": x_type}, valid_types, self.name)
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validator.check_tensor_type_same({"min": min_type}, valid_types, self.name)
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validator.check_tensor_type_same({"max": max_type}, valid_types, self.name)
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return x_type
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class FakeQuantWithMinMaxPerChannelGrad(PrimitiveWithInfer):
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"""Performs grad of FakeQuantWithMinMaxPerChannel operation."""
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support_quant_bit = [4, 8]
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@prim_attr_register
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def __init__(self, num_bits=8, quant_delay=0):
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"""init FakeQuantWithMinMaxPerChannel Fill"""
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if num_bits not in self.support_quant_bit:
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raise ValueError(f"For '{self.name}' attr \'num_bits\' is not support.")
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self.quant_delay = validator.check_value_type('quant_delay', quant_delay, (int,), self.name)
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self.num_bits = validator.check_integer('num_bits', num_bits, 0, Rel.GT, self.name)
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self.init_prim_io_names(inputs=['dout', 'x', 'min', 'max'], outputs=['dx'])
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def infer_shape(self, dout_shape, x_shape, min_shape, max_shape):
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validator.check("dout shape", dout_shape, "x shape", x_shape)
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validator.check("min shape", min_shape, "max shape", max_shape)
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return dout_shape
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def infer_dtype(self, dout_type, x_type, min_type, max_type):
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valid_types = (mstype.float16, mstype.float32)
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validator.check_tensor_type_same({"dout": dout_type}, valid_types, self.name)
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validator.check_tensor_type_same({"x": x_type}, valid_types, self.name)
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validator.check_tensor_type_same({"min": min_type}, valid_types, self.name)
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validator.check_tensor_type_same({"max": max_type}, valid_types, self.name)
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return dout_type
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class BatchNormFold(PrimitiveWithInfer):
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"""
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Batch normalization folded.
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Args:
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momentum (float): Momentum value should be [0, 1]. Default: 0.1.
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epsilon (float): A small float number to avoid dividing by 0. 1e-12 if dtype in
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float32 else 1e-3. Default: 1e-12.
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is_training (bool): In training mode set True, else set False. Default: True.
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freeze_bn (int): Delay in steps at which computation switches from regular batch
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norm to frozen mean and std. Default: 0.
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Inputs:
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- **x** (Tensor) - Tensor of shape :math:`(N, C)`.
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- **mean** (Tensor) - Tensor of shape :math:`(C,)`.
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- **variance** (Tensor) - Tensor of shape :math:`(C,)`.
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- **global_step** (Tensor) - Tensor to record current global step.
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Outputs:
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Tuple of 4 Tensor, the normalized input and the updated parameters.
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- **batch_mean** (Tensor) - Tensor of shape :math:`(C,)`.
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- **batch_std** (Tensor) - Tensor of shape :math:`(C,)`.
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- **running_mean** (Tensor) - Tensor of shape :math:`(C,)`.
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- **running_std** (Tensor) - Tensor of shape :math:`(C,)`.
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"""
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channel = 1
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@prim_attr_register
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def __init__(self, momentum=0.1, epsilon=1e-12, is_training=True, freeze_bn=0):
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"""init batch norm fold layer"""
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self.momentum = validator.check_number_range('momentum', momentum, 0, 1, Rel.INC_BOTH, self.name)
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self.epsilon = validator.check_float_positive('epsilon', epsilon, self.name)
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self.is_training = validator.check_value_type('is_training', is_training, (bool,), self.name)
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self.freeze_bn = validator.check_value_type('freeze_bn', freeze_bn, (int,), self.name)
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self.init_prim_io_names(inputs=['x', 'mean', 'variance', 'global_step'],
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outputs=['batch_mean', 'batch_std', 'running_mean', 'running_std'])
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def infer_shape(self, x_shape, mean_shape, variance_shape, global_step_shape):
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validator.check("mean shape", mean_shape, "gamma_shape", variance_shape, Rel.EQ, self.name)
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validator.check("mean_shape[0]", mean_shape[0], "input channel", x_shape[self.channel], Rel.EQ, self.name)
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validator.check_integer("global_step rank", len(global_step_shape), 1, Rel.EQ, self.name)
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return mean_shape, mean_shape, mean_shape, mean_shape
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def infer_dtype(self, x_type, mean_type, variance_type, global_step_type):
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validator.check("input type", x_type, "mean type", mean_type)
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validator.check("input type", x_type, "variance type", variance_type)
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args = {"x": x_type, "mean": mean_type, "variance": variance_type}
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validator.check_tensor_type_same(args, (mstype.float16, mstype.float32), self.name)
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validator.check_tensor_type_same({"global_step": global_step_type}, (mstype.int32,), self.name)
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return x_type, x_type, x_type, x_type
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class BatchNormFoldGrad(PrimitiveWithInfer):
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"""Performs grad of BatchNormFold operation."""
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channel = 1
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@prim_attr_register
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def __init__(self, epsilon=1e-12, is_training=True, freeze_bn=0):
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"""init BatchNormGrad layer"""
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self.is_training = validator.check_value_type('is_training', is_training, (bool,), self.name)
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self.freeze_bn = validator.check_value_type('freeze_bn', freeze_bn, (int,), self.name)
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self.epsilon = validator.check_float_positive('epsilon', epsilon, self.name)
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self.init_prim_io_names(inputs=['d_batch_mean', 'd_batch_std', 'x', 'batch_mean', 'batch_std', 'global_step'],
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outputs=['dx'])
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def infer_shape(self, d_batch_mean_shape, d_batch_std_shape, x_shape, batch_mean_shape, batch_std_shape,
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global_step_shape):
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validator.check("d_batch_mean shape", d_batch_mean_shape,
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"d_batch_std shape", d_batch_std_shape, Rel.EQ, self.name)
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validator.check("d_batch_mean shape", d_batch_mean_shape,
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"batch_mean shape", batch_mean_shape, Rel.EQ, self.name)
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validator.check("d_batch_mean shape", d_batch_mean_shape,
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"batch_std shape", batch_std_shape, Rel.EQ, self.name)
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validator.check("d_batch_mean_shape[0]", d_batch_mean_shape[0], "input channel", x_shape[self.channel], Rel.EQ,
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self.name)
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validator.check_integer("global_step rank", len(global_step_shape), 1, Rel.EQ, self.name)
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return x_shape
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def infer_dtype(self, d_batch_mean_type, d_batch_std_type, x_type, batch_mean_type, batch_std_type,
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global_step_type):
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args = {"input": x_type, "d_batch_mean": d_batch_mean_type, "d_batch_std": d_batch_std_type,
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"batch_mean": batch_mean_type, "batch_std": batch_std_type}
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validator.check_tensor_type_same(args, (mstype.float16, mstype.float32), self.name)
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validator.check_tensor_type_same({"global_step": global_step_type}, (mstype.int32,), self.name)
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return x_type
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class CorrectionMul(PrimitiveWithInfer):
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"""
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Scale the weights with a correction factor to the long term statistics
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prior to quantization. This ensures that there is no jitter in the quantized weights
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due to batch to batch variation.
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Inputs:
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- **x** (Tensor) - Tensor of shape :math:`(N, C)`.
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- **batch_std** (Tensor) - Tensor of shape :math:`(C,)`.
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- **running_std** (Tensor) - Tensor of shape :math:`(C,)`.
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Outputs:
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- **out** (Tensor) - Tensor has the same shape as x.
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"""
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channel = 0
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@prim_attr_register
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def __init__(self):
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"""init correction mul layer"""
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self.init_prim_io_names(inputs=['x', 'batch_std', 'running_std'],
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outputs=['out'])
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def infer_shape(self, x_shape, batch_std_shape, running_std_shape):
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validator.check("batch_std shape", batch_std_shape, "running_std shape", running_std_shape, Rel.EQ, self.name)
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validator.check("batch_std_shape[0]", batch_std_shape[0], "x_shape channel size", x_shape[self.channel],
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Rel.EQ, self.name)
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return x_shape
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def infer_dtype(self, x_type, batch_std_type, running_std_type):
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args = {"x": x_type, "batch_std": batch_std_type, "running_std": running_std_type}
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validator.check_tensor_type_same(args, (mstype.float16, mstype.float32), self.name)
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return x_type
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class CorrectionMulGrad(PrimitiveWithInfer):
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"""Performs grad of CorrectionMul operation."""
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channel = 0
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@prim_attr_register
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def __init__(self):
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"""init correction mul layer"""
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self.init_prim_io_names(inputs=['dout', 'x', 'gamma', 'running_std'],
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outputs=['dx', 'd_gamma'])
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def infer_shape(self, dout_shape, x_shape, gamma_shape, running_std_shape):
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validator.check("dout shape", dout_shape, "x_shape x", x_shape, Rel.EQ, self.name)
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validator.check("gamma_shape[0]", gamma_shape[0], "dout channel size", dout_shape[self.channel],
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Rel.EQ, self.name)
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validator.check("running_std_shape[0]", running_std_shape[0], "dout channel size", dout_shape[self.channel],
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Rel.EQ, self.name)
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return x_shape, gamma_shape
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def infer_dtype(self, dout_type, x_type, gamma_type, running_std_type):
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args = {"dout": dout_type, "x": x_type, "gamma": gamma_type, "running_std": running_std_type}
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validator.check_tensor_type_same(args, (mstype.float16, mstype.float32), self.name)
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return x_type, x_type
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class BatchNormFold2(PrimitiveWithInfer):
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"""
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Scale the bias with a correction factor to the long term statistics
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prior to quantization. This ensures that there is no jitter in the quantized bias
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due to batch to batch variation.
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Inputs:
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- **x** (Tensor) - Tensor of shape :math:`(N, C)`.
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- **beta** (Tensor) - Tensor of shape :math:`(C,)`.
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- **gamma** (Tensor) - Tensor of shape :math:`(C,)`.
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- **batch_std** (Tensor) - Tensor of shape :math:`(C,)`.
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- **batch_mean** (Tensor) - Tensor of shape :math:`(C,)`.
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- **running_std** (Tensor) - Tensor of shape :math:`(C,)`.
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- **running_mean** (Tensor) - Tensor of shape :math:`(C,)`.
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- **global_step** (Tensor) - Tensor to record current global step.
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Outputs:
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- **y** (Tensor) - Tensor has the same shape as x.
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"""
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channel = 1
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@prim_attr_register
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def __init__(self, freeze_bn=0):
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"""init conv2d fold layer"""
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self.freeze_bn = validator.check_value_type('freeze_bn', freeze_bn, (int,), self.name)
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self.init_prim_io_names(inputs=['x', 'beta', 'gamma', 'batch_std', 'batch_mean',
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'running_std', 'running_mean', 'global_step'],
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outputs=['y'])
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def infer_shape(self, x_shape, beta_shape, gamma_shape, batch_std_shape, running_std_shape, batch_mean_shape,
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running_mean_shape, global_step_shape):
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validator.check("batch_std shape", batch_std_shape, "running_std shape", running_std_shape, Rel.EQ, self.name)
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validator.check("batch_std shape", batch_std_shape, "batch_mean shape", batch_mean_shape, Rel.EQ, self.name)
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validator.check("batch_std shape", batch_std_shape, "beta shape", beta_shape, Rel.EQ, self.name)
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validator.check("batch_std shape", batch_std_shape, "running_mean shape", running_mean_shape, Rel.EQ, self.name)
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validator.check("batch_std shape", batch_std_shape, "batch_mean shape", gamma_shape, Rel.EQ, self.name)
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validator.check("batch_std_shape[0]", batch_std_shape[0], "x_shape channel size", x_shape[self.channel],
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Rel.EQ, self.name)
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validator.check_integer("global_step rank", len(global_step_shape), 1, Rel.EQ, self.name)
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return x_shape
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def infer_dtype(self, x_type, beta_type, gamma_type, batch_std_type, running_std_type, batch_mean_type,
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running_mean_type, global_step_type):
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args = {"batch_std": batch_std_type, "running_std": running_std_type, "batch_mean": batch_mean_type,
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"beta": beta_type, "running_mean": running_mean_type, "gamma": gamma_type, "x": x_type}
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validator.check_tensor_type_same(args, (mstype.float16, mstype.float32), self.name)
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validator.check_tensor_type_same({"global_step": global_step_type}, (mstype.int32,), self.name)
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return x_type
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class BatchNormFold2Grad(PrimitiveWithInfer):
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"""Performs grad of CorrectionAddGrad operation."""
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channel = 1
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@prim_attr_register
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def __init__(self, freeze_bn=0):
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"""init MulFold layer"""
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self.freeze_bn = freeze_bn
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self.init_prim_io_names(inputs=['dout', 'x', 'gamma',
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'batch_std', 'batch_mean',
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'running_std', 'running_mean', 'global_step'],
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outputs=['d_batch_std', 'd_batch_mean', 'd_beta', 'd_gamma', 'dx'])
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def infer_shape(self, dout_shape, x_shape, gamma_shape,
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batch_std_shape, batch_mean_shape,
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running_std_shape, running_mean_shape, global_step_shape):
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validator.check("batch_std shape", batch_std_shape, "batch_mean shape", batch_mean_shape, Rel.EQ, self.name)
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validator.check("batch_std shape", batch_std_shape, "running_std shape", running_std_shape, Rel.EQ, self.name)
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validator.check("batch_std shape", batch_std_shape, "running_mean shape", running_mean_shape, Rel.EQ, self.name)
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validator.check("batch_std shape", batch_std_shape, "gamma shape", gamma_shape, Rel.EQ, self.name)
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validator.check("batch_std size", batch_std_shape[0], "dout channel size", dout_shape[self.channel],
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Rel.EQ, self.name)
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validator.check_integer("global_step rank", len(global_step_shape), 1, Rel.EQ, self.name)
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return gamma_shape, gamma_shape, gamma_shape, gamma_shape, x_shape
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def infer_dtype(self, dout_type, x_type, gamma_type,
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batch_std_type, batch_mean_type,
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running_std_type, running_mean_type, global_step_type):
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validator.check("batch_std type", batch_std_type,
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"batch_mean type", batch_mean_type)
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validator.check("batch_std type", batch_std_type,
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"gamma type", gamma_type)
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validator.check("batch_std type", batch_std_type,
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"running_std type", running_std_type)
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validator.check("batch_std type", batch_std_type,
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"running_mean type", running_mean_type)
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validator.check("batch_std_type", batch_std_type,
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"dout type", dout_type)
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args = {"batch_std": batch_std_type, "batch_mean": batch_mean_type, "gamma": gamma_type,
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"running_std": running_std_type, "running_mean": running_mean_type, "dout": dout_type}
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validator.check_tensor_type_same(args, (mstype.float16, mstype.float32), self.name)
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validator.check_tensor_type_same({"global_step": global_step_type}, (mstype.int32,), self.name)
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return gamma_type, gamma_type, gamma_type, gamma_type, gamma_type
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