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77 lines
2.4 KiB
77 lines
2.4 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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syntax = "proto2";
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package paddle;
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/*
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If values is not empty and ids is empty, this is a dense vector.
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If values is not empty and ids is not empty, this is a sparse vector. The
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position of each value
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is specified by ids.
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If values is empty and ids is not empty, this is a sparse vector whose non-zero
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values are 1.
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The position of each 1 is specified by ids.
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*/
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message VectorSlot {
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repeated float values = 1 [ packed = true ];
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repeated uint32 ids = 2 [ packed = true ];
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/* For multidimensional data, for example "image width height depth" */
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repeated uint32 dims = 3 [ packed = true ];
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repeated string strs = 4;
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};
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/*
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SubseqSlot use to record whether VectorSlot or any other slot in future has
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subseq.
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If not all VectorSlot have subseq, we only store the one who has subseq, and
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use *slot_id* to record it.
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One vector_slots has one sequence, and it may have N subseq, thus the number of
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*lens* will be N too.
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*/
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message SubseqSlot {
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required uint32 slot_id = 1; // the id of slot who has subseq
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repeated uint32 lens = 2; // lengths of sub-sequence in the slot
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};
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message SlotDef {
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enum SlotType {
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VECTOR_DENSE = 0;
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VECTOR_SPARSE_NON_VALUE = 1;
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VECTOR_SPARSE_VALUE = 2;
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INDEX = 3; // This can be used as label, or word id, etc.
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VAR_MDIM_DENSE = 4;
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VAR_MDIM_INDEX = 5;
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STRING = 6;
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}
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required SlotType type = 1;
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required uint32 dim =
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2; // For INDEX slots, this means the maximal index plus 1.
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};
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message DataHeader {
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// INDEX slot should be always after VECTOR slots.
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repeated SlotDef slot_defs = 1;
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};
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message DataSample {
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optional bool is_beginning = 1
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[ default = true ]; // is the beginning of a sequence
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repeated VectorSlot vector_slots = 2;
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repeated uint32 id_slots = 3 [ packed = true ];
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/* use ids of VectorSlot */
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repeated VectorSlot var_id_slots = 4;
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repeated SubseqSlot subseq_slots = 5;
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};
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