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76 lines
2.0 KiB
76 lines
2.0 KiB
/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License. */
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#pragma once
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#include <cctype>
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#include <ostream>
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#include <string>
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#include "paddle/fluid/platform/enforce.h"
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namespace paddle {
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namespace framework {
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enum class DataLayout {
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kNHWC = 0,
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kNCHW = 1,
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kAnyLayout = 2,
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kMKLDNN = 3, // all layouts supported by MKLDNN internally
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};
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inline DataLayout StringToDataLayout(const std::string& str) {
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std::string s(str);
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for (size_t i = 0; i < s.size(); ++i) {
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s[i] = toupper(s[i]);
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}
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if (s == "NHWC") {
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return DataLayout::kNHWC;
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} else if (s == "NCHW") {
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return DataLayout::kNCHW;
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} else if (s == "ANYLAYOUT") {
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return DataLayout::kAnyLayout;
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} else if (s == "MKLDNNLAYOUT") {
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return DataLayout::kMKLDNN;
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} else {
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PADDLE_THROW(platform::errors::InvalidArgument(
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"Unknown data layout type string: %s.", s));
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}
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}
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inline std::string DataLayoutToString(const DataLayout& data_layout) {
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switch (data_layout) {
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case DataLayout::kNHWC:
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return "NHWC";
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case DataLayout::kNCHW:
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return "NCHW";
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case DataLayout::kAnyLayout:
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return "ANY_LAYOUT";
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case DataLayout::kMKLDNN:
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return "MKLDNNLAYOUT";
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default:
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PADDLE_THROW(platform::errors::InvalidArgument(
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"Unknown Data Layout type %d.", data_layout));
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}
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}
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inline std::ostream& operator<<(std::ostream& out, const DataLayout& l) {
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out << DataLayoutToString(l);
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return out;
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}
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} // namespace framework
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} // namespace paddle
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