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49 lines
1.9 KiB
Plaintext
49 lines
1.9 KiB
Plaintext
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#pragma once
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#include <faiss/MetricType.h>
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#include <faiss/gpu/GpuIndicesOptions.h>
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#include <faiss/gpu/utils/Tensor.cuh>
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#include <thrust/device_vector.h>
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namespace faiss { namespace gpu {
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class GpuResources;
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/// For no precomputed codes, is this a supported number of dimensions
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/// per subquantizer?
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bool isSupportedNoPrecomputedSubDimSize(int dims);
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template <typename CentroidT>
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void runPQScanMultiPassNoPrecomputed(Tensor<float, 2, true>& queries,
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Tensor<CentroidT, 2, true>& centroids,
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Tensor<float, 3, true>& pqCentroidsInnermostCode,
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Tensor<int, 2, true>& topQueryToCentroid,
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bool useFloat16Lookup,
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int bytesPerCode,
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int numSubQuantizers,
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int numSubQuantizerCodes,
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thrust::device_vector<void*>& listCodes,
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thrust::device_vector<void*>& listIndices,
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IndicesOptions indicesOptions,
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thrust::device_vector<int>& listLengths,
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int maxListLength,
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int k,
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faiss::MetricType metric,
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// output
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Tensor<float, 2, true>& outDistances,
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// output
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Tensor<long, 2, true>& outIndices,
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GpuResources* res);
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} } // namespace
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#include <faiss/gpu/impl/PQScanMultiPassNoPrecomputed-inl.cuh>
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