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paddlepaddle--paddle/paddle/phi/kernels/selected_rows/merge_selected_rows_kernel.cc
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2026-07-13 12:40:42 +08:00

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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.
#include "paddle/phi/kernels/selected_rows/merge_selected_rows_kernel.h"
#include "paddle/phi/backends/cpu/cpu_context.h"
#include "paddle/phi/backends/gpu/gpu_context.h"
#include "paddle/phi/core/kernel_registry.h"
#include "paddle/phi/kernels/funcs/selected_rows_functor.h"
namespace phi::sr {
template <typename T, typename Context>
void MergeSelectedRowsKernel(const Context& dev_ctx,
const SelectedRows& x,
SelectedRows* out) {
funcs::scatter::MergeAdd<Context, T> merge_func;
merge_func(dev_ctx, x, out);
}
} // namespace phi::sr
PD_REGISTER_KERNEL(merge_selected_rows,
CPU,
ALL_LAYOUT,
phi::sr::MergeSelectedRowsKernel,
float,
double) {}
#if defined(PADDLE_WITH_CUDA) || defined(PADDLE_WITH_HIP)
PD_REGISTER_KERNEL(merge_selected_rows,
GPU,
ALL_LAYOUT,
phi::sr::MergeSelectedRowsKernel,
float,
double) {}
#endif