40 lines
1.0 KiB
C++
40 lines
1.0 KiB
C++
/**
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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/IndexReplicas.h>
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#include <faiss/gpu/StandardGpuResources.h>
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#include <functional>
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#include <memory>
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#include <vector>
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namespace faiss { namespace gpu {
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// If we want to run multi-GPU, create a proxy to wrap the indices.
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// If we don't want multi-GPU, don't involve the proxy, so it doesn't
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// affect the timings.
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template <typename GpuIndex>
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struct IndexWrapper {
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std::vector<std::unique_ptr<faiss::gpu::StandardGpuResources>> resources;
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std::vector<std::unique_ptr<GpuIndex>> subIndex;
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std::unique_ptr<faiss::IndexReplicas> replicaIndex;
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IndexWrapper(
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int numGpus,
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std::function<std::unique_ptr<GpuIndex>(GpuResources*, int)> init);
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faiss::Index* getIndex();
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void runOnIndices(std::function<void(GpuIndex*)> f);
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void setNumProbes(int nprobe);
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};
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} }
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#include <faiss/gpu/perf/IndexWrapper-inl.h>
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