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InvertedListAppend.cuh
1 /**
2 * Copyright (c) 2015-present, Facebook, Inc.
3 * All rights reserved.
4 *
5 * This source code is licensed under the CC-by-NC license found in the
6 * LICENSE file in the root directory of this source tree.
7 */
8
9 // Copyright 2004-present Facebook. All Rights Reserved.
10
11 #pragma once
12
13 #include "../GpuIndicesOptions.h"
14 #include "../utils/Tensor.cuh"
15 #include <thrust/device_vector.h>
16
17 namespace faiss { namespace gpu {
18
19 /// Update device-side list pointers in a batch
20 void runUpdateListPointers(Tensor<int, 1, true>& listIds,
21 Tensor<int, 1, true>& newListLength,
22 Tensor<void*, 1, true>& newCodePointers,
23 Tensor<void*, 1, true>& newIndexPointers,
24 thrust::device_vector<int>& listLengths,
25 thrust::device_vector<void*>& listCodes,
26 thrust::device_vector<void*>& listIndices,
27 cudaStream_t stream);
28
29 /// Actually append the new codes / vector indices to the individual lists
30
31 /// IVFPQ
32 void runIVFPQInvertedListAppend(Tensor<int, 1, true>& listIds,
33 Tensor<int, 1, true>& listOffset,
34 Tensor<int, 2, true>& encodings,
35 Tensor<long, 1, true>& indices,
36 thrust::device_vector<void*>& listCodes,
37 thrust::device_vector<void*>& listIndices,
38 IndicesOptions indicesOptions,
39 cudaStream_t stream);
40
41 /// IVF flat storage
42 void runIVFFlatInvertedListAppend(Tensor<int, 1, true>& listIds,
43 Tensor<int, 1, true>& listOffset,
44 Tensor<float, 2, true>& vecs,
45 Tensor<long, 1, true>& indices,
46 bool useFloat16,
47 thrust::device_vector<void*>& listData,
48 thrust::device_vector<void*>& listIndices,
49 IndicesOptions indicesOptions,
50 cudaStream_t stream);
51
52 } } // namespace