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