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paddlepaddle--paddle/paddle/phi/kernels/gpu/dropout_kernel.cu
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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/dropout_kernel.h"
#include "paddle/phi/backends/gpu/gpu_context.h"
#include "paddle/phi/core/kernel_registry.h"
#include "paddle/phi/kernels/funcs/dropout_impl.cu.h"
namespace phi {
template <typename T, typename Context>
void DropoutRawKernel(const Context& dev_ctx,
const DenseTensor& x,
const optional<DenseTensor>& seed_tensor,
const Scalar& p,
bool is_test,
const std::string& mode,
int seed,
bool fix_seed,
DenseTensor* out,
DenseTensor* mask) {
bool upscale_in_train = (mode == "upscale_in_train");
dev_ctx.template Alloc<T>(out);
if (mask) {
dev_ctx.template Alloc<uint8_t>(mask);
}
funcs::DropoutFwGPUKernelDriver<T>(dev_ctx,
is_test,
p.to<float>(),
upscale_in_train,
fix_seed,
seed,
x,
seed_tensor.get_ptr(),
mask,
out);
}
template <typename T, typename Context>
void DropoutNdKernel(const Context& dev_ctx,
const DenseTensor& x,
const optional<DenseTensor>& seed_tensor,
const Scalar& p,
bool is_test,
const std::string& mode,
int seed,
bool fix_seed,
const std::vector<int>& axis,
DenseTensor* out,
DenseTensor* mask) {
bool upscale_in_train = (mode == "upscale_in_train");
dev_ctx.template Alloc<T>(out);
if (mask) {
dev_ctx.template Alloc<uint8_t>(mask);
}
funcs::DropoutFwGPUKernelDriver<T>(dev_ctx,
is_test,
p.to<float>(),
upscale_in_train,
fix_seed,
seed,
x,
seed_tensor.get_ptr(),
mask,
out,
true,
axis);
}
} // namespace phi
PD_REGISTER_KERNEL(dropout,
GPU,
ALL_LAYOUT,
phi::DropoutRawKernel,
float,
double,
phi::bfloat16,
phi::float16) {
kernel->InputAt(1).SetBackend(phi::Backend::ALL_BACKEND);
kernel->OutputAt(1).SetDataType(phi::DataType::UINT8);
}
PD_REGISTER_KERNEL(dropout_nd,
GPU,
ALL_LAYOUT,
phi::DropoutNdKernel,
float,
double,
phi::bfloat16,
phi::float16) {
kernel->InputAt(1).SetBackend(phi::Backend::ALL_BACKEND);
kernel->OutputAt(1).SetDataType(phi::DataType::UINT8);
}