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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.
#include "paddle/phi/kernels/reduce_as_kernel.h"
#include "paddle/phi/backends/gpu/gpu_context.h"
#include "paddle/phi/core/kernel_registry.h"
#include "paddle/phi/kernels/funcs/common_shape.h"
#include "paddle/phi/kernels/reduce_sum_kernel.h"
namespace phi {
template <typename T, typename Context>
void ReduceAsKernel(const Context& dev_ctx,
const DenseTensor& x,
const DenseTensor& target,
DenseTensor* out) {
auto reduce_dim = funcs::GetReduceDims(x, target);
dev_ctx.template Alloc<T>(out);
if (reduce_dim.size() != 0) {
SumKernel<T, Context>(dev_ctx, x, reduce_dim, out->type(), false, out);
} else {
Copy(dev_ctx, x, dev_ctx.GetPlace(), false, out);
}
}
} // namespace phi
PD_REGISTER_KERNEL(reduce_as,
GPU,
ALL_LAYOUT,
phi::ReduceAsKernel,
bool,
float,
double,
phi::float16,
phi::bfloat16,
int16_t,
int,
int64_t,
uint8_t,
int8_t,
phi::complex64,
phi::complex128) {}