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paddlepaddle--paddle/paddle/fluid/operators/batch_norm_op.h
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2026-07-13 12:40:42 +08:00

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/* Copyright (c) 2016 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.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License. */
#pragma once
#include <memory>
#include <string>
#include <unordered_map>
#include <vector>
#include "paddle/fluid/framework/op_registry.h"
#if !defined(PADDLE_WITH_XPU_KP) || defined(__xpu_on_host__)
#include "unsupported/Eigen/CXX11/Tensor"
#endif
namespace paddle {
namespace operators {
using DataLayout = phi::DataLayout;
template <typename T>
using EigenArrayMap =
Eigen::Map<Eigen::Array<T, Eigen::Dynamic, Eigen::Dynamic>>;
template <typename T>
using ConstEigenArrayMap =
Eigen::Map<const Eigen::Array<T, Eigen::Dynamic, Eigen::Dynamic>>;
template <typename T>
using EigenVectorArrayMap = Eigen::Map<Eigen::Array<T, Eigen::Dynamic, 1>>;
template <typename T>
using ConstEigenVectorArrayMap =
Eigen::Map<const Eigen::Array<T, Eigen::Dynamic, 1>>;
class BatchNormOp : public framework::OperatorWithKernel {
public:
using framework::OperatorWithKernel::OperatorWithKernel;
void InferShape(framework::InferShapeContext* ctx) const override;
protected:
phi::KernelKey GetExpectedKernelType(
const framework::ExecutionContext& ctx) const override;
phi::KernelKey GetKernelTypeForVar(
const std::string& var_name,
const phi::DenseTensor& tensor,
const phi::KernelKey& expected_kernel_type) const override;
};
class BatchNormGradOp : public framework::OperatorWithKernel {
public:
using framework::OperatorWithKernel::OperatorWithKernel;
void InferShape(framework::InferShapeContext* ctx) const override;
protected:
phi::KernelKey GetExpectedKernelType(
const framework::ExecutionContext& ctx) const override;
phi::KernelKey GetKernelTypeForVar(
const std::string& var_name,
const phi::DenseTensor& tensor,
const phi::KernelKey& expected_kernel_type) const override;
};
class BatchNormDoubleGradOp : public framework::OperatorWithKernel {
public:
using framework::OperatorWithKernel::OperatorWithKernel;
void InferShape(framework::InferShapeContext* ctx) const override;
protected:
phi::KernelKey GetExpectedKernelType(
const framework::ExecutionContext& ctx) const override;
};
class BatchNormOpMaker : public framework::OpProtoAndCheckerMaker {
public:
void Make() override;
};
template <typename T>
class BatchNormGradMaker : public framework::SingleGradOpMaker<T> {
public:
using framework::SingleGradOpMaker<T>::SingleGradOpMaker;
protected:
void Apply(GradOpPtr<T> op) const override;
};
template <typename T>
class BatchNormDoubleGradMaker : public framework::SingleGradOpMaker<T> {
public:
using framework::SingleGradOpMaker<T>::SingleGradOpMaker;
protected:
void Apply(GradOpPtr<T> op) const override;
};
class BatchNormOpInferVarType
: public framework::PassInDtypeAndVarTypeToOutput {
protected:
std::unordered_map<std::string, std::string>& GetInputOutputWithSameType()
const override {
static std::unordered_map<std::string, std::string> m{{"X", /*->*/ "Y"}};
return m;
}
};
} // namespace operators
} // namespace paddle