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94ffa8a275
Signed-off-by: yudong.cai <yudong.cai@zilliz.com> Signed-off-by: yudong.cai <yudong.cai@zilliz.com>
55 lines
2.1 KiB
C++
55 lines
2.1 KiB
C++
// Copyright (C) 2019-2020 Zilliz. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software distributed under the License
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// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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// or implied. See the License for the specific language governing permissions and limitations under the License
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#include <string>
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#include <vector>
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#include "SearchBruteForce.h"
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#include "SubSearchResult.h"
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#include "knowhere/archive/BruteForce.h"
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#include "knowhere/index/vector_index/adapter/VectorAdapter.h"
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namespace milvus::query {
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SubSearchResult
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BruteForceSearch(const dataset::SearchDataset& dataset,
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const void* chunk_data_raw,
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int64_t chunk_rows,
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const BitsetView& bitset) {
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SubSearchResult sub_result(dataset.num_queries, dataset.topk, dataset.metric_type, dataset.round_decimal);
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try {
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auto nq = dataset.num_queries;
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auto dim = dataset.dim;
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auto topk = dataset.topk;
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auto base_dataset = knowhere::GenDataset(chunk_rows, dim, chunk_data_raw);
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auto query_dataset = knowhere::GenDataset(nq, dim, dataset.query_data);
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auto config = knowhere::Config{
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{knowhere::meta::METRIC_TYPE, dataset.metric_type},
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{knowhere::meta::DIM, dim},
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{knowhere::meta::TOPK, topk},
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};
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auto result = knowhere::BruteForce::Search(base_dataset, query_dataset, config, bitset);
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sub_result.mutable_seg_offsets().resize(nq * topk);
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sub_result.mutable_distances().resize(nq * topk);
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std::copy_n(knowhere::GetDatasetIDs(result), nq * topk, sub_result.get_seg_offsets());
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std::copy_n(knowhere::GetDatasetDistance(result), nq * topk, sub_result.get_distances());
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} catch (std::exception& e) {
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PanicInfo(e.what());
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}
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sub_result.round_values();
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return sub_result;
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}
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} // namespace milvus::query
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