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paddlepaddle--paddle/paddle/phi/kernels/matmul_grad_kernel.h
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// 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.
// 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 "paddle/phi/core/dense_tensor.h"
#include "paddle/utils/optional.h"
namespace phi {
template <typename T, typename Context>
void MatmulGradKernel(const Context& dev_ctx,
const DenseTensor& x,
const DenseTensor& y,
const DenseTensor& dout,
bool transpose_x,
bool transpose_y,
DenseTensor* dx,
DenseTensor* dy);
template <typename T, typename Context>
void MatmulDoubleGradKernel(const Context& dev_ctx,
const DenseTensor& x,
const DenseTensor& y,
const DenseTensor& dout,
const optional<DenseTensor>& ddx,
const optional<DenseTensor>& ddy,
bool transpose_x,
bool transpose_y,
DenseTensor* dx,
DenseTensor* dy,
DenseTensor* ddout);
template <typename T, typename Context>
void MatmulTripleGradKernel(const Context& dev_ctx,
const DenseTensor& x,
const DenseTensor& y,
const DenseTensor& dout,
const optional<DenseTensor>& ddx,
const optional<DenseTensor>& ddy,
const optional<DenseTensor>& d_dx,
const optional<DenseTensor>& d_dy,
const optional<DenseTensor>& d_ddout,
bool transpose_x,
bool transpose_y,
DenseTensor* out_d_x,
DenseTensor* out_d_y,
DenseTensor* out_d_dout,
DenseTensor* out_d_ddx,
DenseTensor* out_d_ddy);
template <typename T, typename Context>
void MatmulWithFlattenGradKernel(const Context& dev_ctx,
const DenseTensor& x,
const DenseTensor& y,
const DenseTensor& out_grad,
int x_num_col_dims,
int y_num_col_dims,
DenseTensor* x_grad,
DenseTensor* y_grad);
template <typename T, typename Context>
void MatmulWithFlattenDoubleGradKernel(const Context& dev_ctx,
const DenseTensor& x,
const DenseTensor& y,
const DenseTensor& out_grad,
const optional<DenseTensor>& x_grad_grad,
const optional<DenseTensor>& y_grad_grad,
int x_num_col_dims,
int y_num_col_dims,
DenseTensor* x_grad,
DenseTensor* y_grad,
DenseTensor* out_grad_grad);
} // namespace phi