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// Copyright (c) 2024 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/phi/core/device_context.h"
#include "paddle/phi/core/selected_rows.h"
namespace phi {
template <typename T, typename Context>
void LookupTableGradCUDAKernel(const Context& dev_ctx,
const DenseTensor& w,
const DenseTensor& ids_in,
const DenseTensor& out_grad,
bool is_sparse,
bool is_distributed,
int64_t padding_idx,
bool remote_prefetch,
const std::string& entry_config,
bool is_test,
const std::string& entry,
const std::string& table_class,
const std::vector<std::string>& table_names,
int trainer_id,
bool grad_inplace,
const std::vector<std::string>& epmap,
const std::vector<int64_t>& height_sections,
DenseTensor* w_grad);
template <typename T, typename Context>
void LookupTableSparseGradCUDAKernel(
const Context& dev_ctx,
const DenseTensor& w,
const DenseTensor& ids_in,
const DenseTensor& out_grad,
bool is_sparse,
bool is_distributed,
int64_t padding_idx,
bool remote_prefetch,
const std::string& entry_config,
bool is_test,
const std::string& entry,
const std::string& table_class,
const std::vector<std::string>& table_names,
int trainer_id,
bool grad_inplace,
const std::vector<std::string>& epmap,
const std::vector<int64_t>& height_sections,
SelectedRows* w_grad);
} // namespace phi