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paddlepaddle--paddle/paddle/phi/kernels/onednn/pad3d_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/pad3d_kernel.h"
#include "paddle/phi/backends/onednn/onednn_reuse.h"
#include "paddle/phi/core/kernel_registry.h"
#include "paddle/phi/kernels/onednn/pad_kernel_impl.h"
namespace phi {
KernelKey Pad3dGetKernelTypeForVar(const GetKernelTypeForVarContext* dev_ctx) {
const DenseTensor& tensor = dev_ctx->GetTensor();
const KernelKey& expected_kernel_type = dev_ctx->GetKernelKey();
const AttributeMap& attrs = dev_ctx->GetAttrs();
#ifdef PADDLE_WITH_DNNL
if ((expected_kernel_type.layout() == DataLayout::ONEDNN) &&
(tensor.layout() != DataLayout::ONEDNN)) {
auto it = attrs.find("data_format");
const std::string data_format = PADDLE_GET_CONST(std::string, it->second);
return phi::KernelKey(tensor.place(),
StringToDataLayout(data_format),
expected_kernel_type.dtype());
}
#endif
return phi::KernelKey(
tensor.place(), tensor.layout(), expected_kernel_type.dtype());
}
bool Pad3dCheckIfOneDNNSupport(const KernelContext* dev_ctx) {
// only constant mode and non-blocked layouts are supported for oneDNN
if (dev_ctx->AttrAt<std::string>(1) == "constant" &&
dev_ctx->InputAt<DenseTensor>(0).mem_desc().get_inner_nblks() == 0) {
return true;
}
return false;
}
template <typename T, typename Context>
void Pad3dKernel(const Context& dev_ctx,
const DenseTensor& x,
const IntArray& paddings,
const std::string& mode UNUSED,
double pad_value,
const std::string& data_format UNUSED,
DenseTensor* out) {
PadOpKernel<T, Context>(dev_ctx, x, paddings.GetData(), pad_value, out);
}
} // namespace phi
PD_REGISTER_KERNEL(pad3d,
OneDNN,
ONEDNN,
phi::Pad3dKernel,
phi::float16,
phi::bfloat16,
float) {
kernel->get_kerneltype_forvar_fn_ = phi::Pad3dGetKernelTypeForVar;
kernel->check_if_onednn_kernel_support_ = phi::Pad3dCheckIfOneDNNSupport;
}