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IndexIVF.h
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IndexIVF.h
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// Copyright (C) 2019-2020 Zilliz. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software distributed under the License
// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
// or implied. See the License for the specific language governing permissions and limitations under the License
#pragma once
#include <memory>
#include <mutex>
#include <utility>
#include <vector>
#include <faiss/IndexIVF.h>
#include "knowhere/common/Typedef.h"
#include "knowhere/index/vector_index/FaissBaseIndex.h"
#include "knowhere/index/vector_index/VecIndex.h"
namespace milvus {
namespace knowhere {
class IVF : public VecIndex, public FaissBaseIndex {
public:
IVF() : FaissBaseIndex(nullptr) {
index_type_ = IndexEnum::INDEX_FAISS_IVFFLAT;
}
explicit IVF(std::shared_ptr<faiss::Index> index) : FaissBaseIndex(std::move(index)) {
index_type_ = IndexEnum::INDEX_FAISS_IVFFLAT;
}
BinarySet
Serialize(const Config& config = Config()) override;
void
Load(const BinarySet&) override;
void
Train(const DatasetPtr&, const Config&) override;
void
Add(const DatasetPtr&, const Config&) override;
void
AddWithoutIds(const DatasetPtr&, const Config&) override;
DatasetPtr
Query(const DatasetPtr&, const Config&) override;
#if 0
DatasetPtr
QueryById(const DatasetPtr& dataset, const Config& config) override;
#endif
int64_t
Count() override;
int64_t
Dim() override;
#if 0
DatasetPtr
GetVectorById(const DatasetPtr& dataset, const Config& config) override;
#endif
virtual void
Seal();
virtual VecIndexPtr
CopyCpuToGpu(const int64_t, const Config&);
virtual void
GenGraph(const float* data, const int64_t k, GraphType& graph, const Config& config);
protected:
virtual std::shared_ptr<faiss::IVFSearchParameters>
GenParams(const Config&);
virtual void
QueryImpl(int64_t, const float*, int64_t, float*, int64_t*, const Config&);
void
SealImpl() override;
protected:
std::mutex mutex_;
};
using IVFPtr = std::shared_ptr<IVF>;
} // namespace knowhere
} // namespace milvus