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unary_grad_kernel.cc
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/
unary_grad_kernel.cc
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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/unary_grad_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/core/sparse_coo_tensor.h"
#include "paddle/phi/core/sparse_csr_tensor.h"
#include "paddle/phi/kernels/activation_grad_kernel.h"
#include "paddle/phi/kernels/copy_kernel.h"
#include "paddle/phi/kernels/empty_kernel.h"
#define DEFINE_SPARSE_UNARY_GRAD_KERNEL(DenseKernelFunc) \
namespace phi { \
namespace sparse { \
\
template <typename T, typename Context> \
void SparseCoo##DenseKernelFunc(const Context& dev_ctx, \
const SparseCooTensor& x_or_out, \
const SparseCooTensor& out_grad, \
SparseCooTensor* x_grad) { \
DenseTensor non_zero_indices = \
phi::EmptyLike<T, Context>(dev_ctx, x_or_out.non_zero_indices()); \
DenseTensor non_zero_elements = \
phi::EmptyLike<T, Context>(dev_ctx, x_or_out.non_zero_elements()); \
phi::Copy(dev_ctx, \
x_or_out.non_zero_indices(), \
dev_ctx.GetPlace(), \
false, \
&non_zero_indices); \
phi::DenseKernelFunc<T, Context>(dev_ctx, \
x_or_out.non_zero_elements(), \
out_grad.non_zero_elements(), \
&non_zero_elements); \
x_grad->SetMember( \
non_zero_indices, non_zero_elements, x_or_out.dims(), true); \
} \
\
template <typename T, typename Context> \
void SparseCsr##DenseKernelFunc(const Context& dev_ctx, \
const SparseCsrTensor& x_or_out, \
const SparseCsrTensor& out_grad, \
SparseCsrTensor* out) { \
DenseTensor non_zero_crows = \
phi::EmptyLike<T, Context>(dev_ctx, x_or_out.non_zero_crows()); \
DenseTensor non_zero_cols = \
phi::EmptyLike<T, Context>(dev_ctx, x_or_out.non_zero_cols()); \
DenseTensor non_zero_elements = \
phi::EmptyLike<T, Context>(dev_ctx, x_or_out.non_zero_elements()); \
phi::Copy(dev_ctx, \
x_or_out.non_zero_crows(), \
dev_ctx.GetPlace(), \
false, \
&non_zero_crows); \
phi::Copy(dev_ctx, \
x_or_out.non_zero_cols(), \
dev_ctx.GetPlace(), \
false, \
&non_zero_cols); \
phi::DenseKernelFunc<T, Context>(dev_ctx, \
x_or_out.non_zero_elements(), \
out_grad.non_zero_elements(), \
&non_zero_elements); \
out->SetMember( \
non_zero_crows, non_zero_cols, non_zero_elements, x_or_out.dims()); \
} \
} \
}
#define REGISTER_CPU_SPARSE_UNARY_KERNEL(kernel_name, DenseKernelFunc) \
PD_REGISTER_KERNEL(sparse_coo_##kernel_name, \
CPU, \
ALL_LAYOUT, \
phi::sparse::SparseCoo##DenseKernelFunc, \
float, \
double) { \
kernel->InputAt(0).SetDataLayout(phi::DataLayout::SPARSE_COO); \
} \
PD_REGISTER_KERNEL(sparse_csr_##kernel_name, \
CPU, \
ALL_LAYOUT, \
phi::sparse::SparseCsr##DenseKernelFunc, \
float, \
double) { \
kernel->InputAt(0).SetDataLayout(phi::DataLayout::SPARSE_CSR); \
}
#if defined(PADDLE_WITH_CUDA) || defined(PADDLE_WITH_HIP)
#define REGISTER_GPU_SPARSE_UNARY_KERNEL(kernel_name, DenseKernelFunc) \
PD_REGISTER_KERNEL(sparse_coo_##kernel_name, \
GPU, \
ALL_LAYOUT, \
phi::sparse::SparseCoo##DenseKernelFunc, \
float, \
double, \
phi::dtype::float16) { \
kernel->InputAt(0).SetDataLayout(phi::DataLayout::SPARSE_COO); \
} \
\
PD_REGISTER_KERNEL(sparse_csr_##kernel_name, \
GPU, \
ALL_LAYOUT, \
phi::sparse::SparseCsr##DenseKernelFunc, \
float, \
double, \
phi::dtype::float16) { \
kernel->InputAt(0).SetDataLayout(phi::DataLayout::SPARSE_CSR); \
}
#else
// This macro definition is empty when GPU is disabled
#define REGISTER_GPU_SPARSE_UNARY_KERNEL(sparse_kernel_name, DenseKernelFunc)
#endif
#define REGISTER_SPARSE_UNARY_KERNEL(kernel_name, DenseKernelFunc) \
REGISTER_CPU_SPARSE_UNARY_KERNEL(kernel_name, DenseKernelFunc) \
REGISTER_GPU_SPARSE_UNARY_KERNEL(kernel_name, DenseKernelFunc)
#define DEFINE_AND_REGISTER_SPARSE_UNARY_GRAD_KERNEL(kernel_name, \
DenseKernelFunc) \
DEFINE_SPARSE_UNARY_GRAD_KERNEL(DenseKernelFunc) \
REGISTER_SPARSE_UNARY_KERNEL(kernel_name, DenseKernelFunc)
// NOTE: the following code is to bypass the restriction of Paddle
// kernel registration mechanism. Do NOT refactor them unless you
// know what you are doing.
// If you want to implement any new kernel, please follow `sin_grad`,
// `tanh_grad` etc, do NOT follow the following `relu_grad`.
DEFINE_SPARSE_UNARY_GRAD_KERNEL(ReluGradKernel)
PD_REGISTER_KERNEL(sparse_coo_relu_grad,
CPU,
ALL_LAYOUT,
phi::sparse::SparseCooReluGradKernel,
float,
double) {
kernel->InputAt(0).SetDataLayout(phi::DataLayout::SPARSE_COO);
}
PD_REGISTER_KERNEL(sparse_csr_relu_grad,
CPU,
ALL_LAYOUT,
phi::sparse::SparseCsrReluGradKernel,
float,
double) {
kernel->InputAt(0).SetDataLayout(phi::DataLayout::SPARSE_CSR);
}
#if defined(PADDLE_WITH_CUDA) || defined(PADDLE_WITH_HIP)
PD_REGISTER_KERNEL(sparse_coo_relu_grad,
GPU,
ALL_LAYOUT,
phi::sparse::SparseCooReluGradKernel,
float,
double,
phi::dtype::float16) {
kernel->InputAt(0).SetDataLayout(phi::DataLayout::SPARSE_COO);
}
PD_REGISTER_KERNEL(sparse_csr_relu_grad,
GPU,
ALL_LAYOUT,
phi::sparse::SparseCsrReluGradKernel,
float,
double,
phi::dtype::float16) {
kernel->InputAt(0).SetDataLayout(phi::DataLayout::SPARSE_CSR);
}
#endif
DEFINE_AND_REGISTER_SPARSE_UNARY_GRAD_KERNEL(sin_grad, SinGradKernel)
DEFINE_AND_REGISTER_SPARSE_UNARY_GRAD_KERNEL(sqrt_grad, SqrtGradKernel)
DEFINE_AND_REGISTER_SPARSE_UNARY_GRAD_KERNEL(tanh_grad, TanhGradKernel)