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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/sparse/addmm_grad_kernel.h"
#include "paddle/phi/backends/cpu/cpu_context.h"
#include "paddle/phi/core/kernel_registry.h"
namespace phi::sparse {
template <typename T, typename Context>
void AddmmCooDenseGradKernel(const Context& dev_ctx UNUSED,
const DenseTensor& input UNUSED,
const SparseCooTensor& x UNUSED,
const DenseTensor& y UNUSED,
const DenseTensor& dout UNUSED,
float alpha UNUSED,
float beta UNUSED,
DenseTensor* dinput UNUSED,
SparseCooTensor* dx UNUSED,
DenseTensor* dy UNUSED) {
PADDLE_THROW(common::errors::Unimplemented(
"Not support CPU backward kernel of 'sparse.addmm' now."));
}
template <typename T, typename Context>
void AddmmCsrDenseGradKernel(const Context& dev_ctx UNUSED,
const DenseTensor& input UNUSED,
const SparseCsrTensor& x UNUSED,
const DenseTensor& y UNUSED,
const DenseTensor& dout UNUSED,
float alpha UNUSED,
float beta UNUSED,
DenseTensor* dinput UNUSED,
SparseCsrTensor* dx UNUSED,
DenseTensor* dy UNUSED) {
PADDLE_THROW(common::errors::Unimplemented(
"Not support CPU backward kernel of 'sparse.addmm' now."));
}
} // namespace phi::sparse
PD_REGISTER_KERNEL(addmm_coo_dense_grad,
CPU,
ALL_LAYOUT,
phi::sparse::AddmmCooDenseGradKernel,
float,
double) {
kernel->InputAt(0).SetDataLayout(phi::DataLayout::SPARSE_COO);
}
PD_REGISTER_KERNEL(addmm_csr_dense_grad,
CPU,
ALL_LAYOUT,
phi::sparse::AddmmCsrDenseGradKernel,
float,
double) {
kernel->InputAt(0).SetDataLayout(phi::DataLayout::SPARSE_CSR);
}