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Paddle/paddle/fluid/framework/data_layout_transform.h

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2.7 KiB

// Copyright (c) 2018 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.
#pragma once
#include <map>
#include <vector>
#include "paddle/fluid/framework/op_kernel_type.h"
#include "paddle/fluid/framework/tensor.h"
#include "paddle/fluid/framework/variable.h"
namespace paddle {
namespace framework {
#ifdef PADDLE_WITH_MKLDNN
using MKLDNNFormat = mkldnn::memory::format;
using MKLDNNDataType = mkldnn::memory::data_type;
inline MKLDNNFormat ToMKLDNNFormat(const DataLayout& layout) {
switch (layout) {
case DataLayout::kNHWC:
return MKLDNNFormat::nhwc;
case DataLayout::kNCHW:
return MKLDNNFormat::nchw;
default:
PADDLE_THROW("Fail to convert layout %s to MKLDNN format",
DataLayoutToString(layout));
}
}
inline DataLayout ToPaddleLayout(const MKLDNNFormat& format) {
switch (format) {
case MKLDNNFormat::nhwc:
return DataLayout::kNHWC;
case MKLDNNFormat::nchw:
return DataLayout::kNCHW;
default:
PADDLE_THROW("Fail to convert MKLDNN format to paddle layout");
}
}
inline MKLDNNDataType ToMKLDNNDataType(const std::type_index type) {
static const std::map<std::type_index, MKLDNNDataType> dict{
{std::type_index(typeid(float)), MKLDNNDataType::f32}, // NOLINT
{std::type_index(typeid(char)), MKLDNNDataType::s8}, // NOLINT
{std::type_index(typeid(unsigned char)), MKLDNNDataType::u8},
{std::type_index(typeid(int16_t)), MKLDNNDataType::s16},
{std::type_index(typeid(int32_t)), MKLDNNDataType::s32}};
auto iter = dict.find(type);
if (iter != dict.end()) return iter->second;
return MKLDNNDataType::data_undef;
}
#endif
void TransDataLayoutFromMKLDNN(const OpKernelType& kernel_type_for_var,
const OpKernelType& expected_kernel_type,
const Tensor& in, Tensor* out);
std::vector<int> GetAxis(const DataLayout& from, const DataLayout& to);
void TransDataLayout(const OpKernelType& kernel_type_for_var,
const OpKernelType& expected_kernel_type, const Tensor& in,
Tensor* out);
} // namespace framework
} // namespace paddle