wehub-resource-sync
79 lines
2.3 KiB
C++
79 lines
2.3 KiB
C++
/* 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 <glog/logging.h>
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#include <memory>
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#include <string>
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#include <utility>
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#include <vector>
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#include "paddle/common/ddim.h"
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#include "paddle/fluid/framework/tensor_util.h"
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#include "paddle/fluid/platform/enforce.h"
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#include "paddle/phi/common/place.h"
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#include "paddle/phi/core/dense_tensor.h"
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#include "paddle/phi/core/framework/dense_tensor_serialize.h"
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#include "paddle/phi/core/mixed_vector.h"
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#include "paddle/utils/test_macros.h"
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namespace paddle {
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namespace framework {
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/*
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* LegacyLoD is short for Level of Details.
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*
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* - in a level, each element indicates relative offset of the lower level
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* - the first element should be 0 and that indicates that this sequence start
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* from 0
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* - each sequence's begin and end(no-inclusive) is level[id, id+1]
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*
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* For example:
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* 3-level LegacyLoD stores
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*
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* 0 2 3
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* 0 2 4 7
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* 0 2 5 7 10 12 15 20
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*/
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using LegacyLoD = std::vector<phi::Vector<size_t>>;
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std::string LegacyLoDToString(const LegacyLoD& lod);
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TEST_API bool operator==(const LegacyLoD& a, const LegacyLoD& b);
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/*
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* Check whether this lod's format is valid.
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*
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* ATTENTION:
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* - Empty lod is treated as valid.
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*
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* It will check two things:
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*
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* 1. all the offsets in a level should be non-descending.
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* 2. there should be more than 2 offsets existing in each level.
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* 3. the higher level's last offset should equals the lower level's size-1.
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* 4. the first offset(the begin offset) of each level should be 0.
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* 5. the lowest level's last offset should equals `tensor_height` if
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* tensor_height>0.
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*/
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TEST_API bool CheckLegacyLoD(const LegacyLoD& in, int tensor_height = -1);
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TEST_API LegacyLoD ConvertToOffsetBasedLegacyLoD(const LegacyLoD& length_lod);
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} // namespace framework
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} // namespace paddle
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