milvus/core/src/db/engine/ExecutionEngineImpl.h
starlord 994274a130 merge 0.5.0 branch
Former-commit-id: c687efe7864690004aecb296c1b75ce7084eb315
2019-10-14 11:44:56 +08:00

131 lines
3.0 KiB
C++

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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 "ExecutionEngine.h"
#include "wrapper/VecIndex.h"
#include <memory>
#include <string>
namespace milvus {
namespace engine {
class ExecutionEngineImpl : public ExecutionEngine {
public:
ExecutionEngineImpl(uint16_t dimension, const std::string& location, EngineType index_type, MetricType metric_type,
int32_t nlist);
ExecutionEngineImpl(VecIndexPtr index, const std::string& location, EngineType index_type, MetricType metric_type,
int32_t nlist);
Status
AddWithIds(int64_t n, const float* xdata, const int64_t* xids) override;
size_t
Count() const override;
size_t
Size() const override;
size_t
Dimension() const override;
size_t
PhysicalSize() const override;
Status
Serialize() override;
Status
Load(bool to_cache) override;
Status
CopyToGpu(uint64_t device_id, bool hybrid = false) override;
Status
CopyToIndexFileToGpu(uint64_t device_id) override;
Status
CopyToCpu() override;
ExecutionEnginePtr
Clone() override;
Status
Merge(const std::string& location) override;
Status
Search(int64_t n, const float* data, int64_t k, int64_t nprobe, float* distances, int64_t* labels,
bool hybrid = false) const override;
ExecutionEnginePtr
BuildIndex(const std::string& location, EngineType engine_type) override;
Status
Cache() override;
Status
GpuCache(uint64_t gpu_id) override;
Status
Init() override;
EngineType
IndexEngineType() const override {
return index_type_;
}
MetricType
IndexMetricType() const override {
return metric_type_;
}
std::string
GetLocation() const override {
return location_;
}
private:
VecIndexPtr
CreatetVecIndex(EngineType type);
VecIndexPtr
Load(const std::string& location);
void
HybridLoad() const;
void
HybridUnset() const;
protected:
VecIndexPtr index_ = nullptr;
EngineType index_type_;
MetricType metric_type_;
int64_t dim_;
std::string location_;
int32_t nlist_ = 0;
int32_t gpu_num_ = 0;
};
} // namespace engine
} // namespace milvus