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bccf8d2098
milvus/internal/core/unittest/test_index_wrapper.cpp
dragondriver bccf8d2098 Add query support for ivf-flat, nsg 
Signed-off-by: dragondriver <jiquan.long@zilliz.com>
2021-01-05 19:20:55 +08:00

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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
#include <tuple>
#include <map>
#include <limits>
#include <math.h>
#include <gtest/gtest.h>
#include <google/protobuf/text_format.h>
#include "pb/index_cgo_msg.pb.h"
#include "index/knowhere/knowhere/index/vector_index/helpers/IndexParameter.h"
#include "index/knowhere/knowhere/index/vector_index/adapter/VectorAdapter.h"
#include "indexbuilder/IndexWrapper.h"
#include "indexbuilder/index_c.h"
#include "test_utils/DataGen.h"
#include "faiss/MetricType.h"
#include "index/knowhere/knowhere/index/vector_index/VecIndexFactory.h"
#include "indexbuilder/utils.h"
namespace indexcgo = milvus::proto::indexcgo;
constexpr int64_t DIM = 8;
constexpr int64_t NB = 10000;
constexpr int64_t NQ = 10;
constexpr int64_t K = 4;
constexpr auto METRIC_TYPE = milvus::knowhere::Metric::L2;
#ifdef MILVUS_GPU_VERSION
int DEVICEID = 0;
#endif
namespace {
auto
generate_conf(const milvus::knowhere::IndexType& index_type, const milvus::knowhere::MetricType& metric_type) {
if (index_type == milvus::knowhere::IndexEnum::INDEX_FAISS_IDMAP) {
return milvus::knowhere::Config{
{milvus::knowhere::meta::DIM, DIM},
{milvus::knowhere::meta::TOPK, K},
{milvus::knowhere::Metric::TYPE, metric_type},
{milvus::knowhere::INDEX_FILE_SLICE_SIZE_IN_MEGABYTE, 4},
};
} else if (index_type == milvus::knowhere::IndexEnum::INDEX_FAISS_IVFPQ) {
return milvus::knowhere::Config{
{milvus::knowhere::meta::DIM, DIM},
{milvus::knowhere::meta::TOPK, K},
{milvus::knowhere::IndexParams::nlist, 100},
{milvus::knowhere::IndexParams::nprobe, 4},
{milvus::knowhere::IndexParams::m, 4},
{milvus::knowhere::IndexParams::nbits, 8},
{milvus::knowhere::Metric::TYPE, metric_type},
{milvus::knowhere::INDEX_FILE_SLICE_SIZE_IN_MEGABYTE, 4},
};
} else if (index_type == milvus::knowhere::IndexEnum::INDEX_FAISS_IVFFLAT) {
return milvus::knowhere::Config{
{milvus::knowhere::meta::DIM, DIM},
{milvus::knowhere::meta::TOPK, K},
{milvus::knowhere::IndexParams::nlist, 100},
{milvus::knowhere::IndexParams::nprobe, 4},
{milvus::knowhere::Metric::TYPE, metric_type},
{milvus::knowhere::INDEX_FILE_SLICE_SIZE_IN_MEGABYTE, 4},
#ifdef MILVUS_GPU_VERSION
{milvus::knowhere::meta::DEVICEID, DEVICEID},
#endif
};
} else if (index_type == milvus::knowhere::IndexEnum::INDEX_FAISS_IVFSQ8) {
return milvus::knowhere::Config{
{milvus::knowhere::meta::DIM, DIM},
{milvus::knowhere::meta::TOPK, K},
{milvus::knowhere::IndexParams::nlist, 100},
{milvus::knowhere::IndexParams::nprobe, 4},
{milvus::knowhere::IndexParams::nbits, 8},
{milvus::knowhere::Metric::TYPE, metric_type},
{milvus::knowhere::INDEX_FILE_SLICE_SIZE_IN_MEGABYTE, 4},
#ifdef MILVUS_GPU_VERSION
{milvus::knowhere::meta::DEVICEID, DEVICEID},
#endif
};
} else if (index_type == milvus::knowhere::IndexEnum::INDEX_FAISS_BIN_IVFFLAT) {
return milvus::knowhere::Config{
{milvus::knowhere::meta::DIM, DIM},
{milvus::knowhere::meta::TOPK, K},
{milvus::knowhere::IndexParams::nlist, 100},
{milvus::knowhere::IndexParams::nprobe, 4},
{milvus::knowhere::IndexParams::m, 4},
{milvus::knowhere::IndexParams::nbits, 8},
{milvus::knowhere::Metric::TYPE, metric_type},
{milvus::knowhere::INDEX_FILE_SLICE_SIZE_IN_MEGABYTE, 4},
};
} else if (index_type == milvus::knowhere::IndexEnum::INDEX_FAISS_BIN_IDMAP) {
return milvus::knowhere::Config{
{milvus::knowhere::meta::DIM, DIM},
{milvus::knowhere::meta::TOPK, K},
{milvus::knowhere::Metric::TYPE, metric_type},
};
} else if (index_type == milvus::knowhere::IndexEnum::INDEX_NSG) {
return milvus::knowhere::Config{
{milvus::knowhere::meta::DIM, DIM},
{milvus::knowhere::IndexParams::nlist, 163},
{milvus::knowhere::meta::TOPK, K},
{milvus::knowhere::IndexParams::nprobe, 8},
{milvus::knowhere::IndexParams::knng, 20},
{milvus::knowhere::IndexParams::search_length, 40},
{milvus::knowhere::IndexParams::out_degree, 30},
{milvus::knowhere::IndexParams::candidate, 100},
{milvus::knowhere::Metric::TYPE, metric_type},
};
#ifdef MILVUS_SUPPORT_SPTAG
} else if (index_type == milvus::knowhere::IndexEnum::INDEX_SPTAG_KDT_RNT) {
return milvus::knowhere::Config{
{milvus::knowhere::meta::DIM, DIM},
// {milvus::knowhere::meta::TOPK, 10},
{milvus::knowhere::Metric::TYPE, metric_type},
{milvus::knowhere::INDEX_FILE_SLICE_SIZE_IN_MEGABYTE, 4},
};
} else if (index_type == milvus::knowhere::IndexEnum::INDEX_SPTAG_BKT_RNT) {
return milvus::knowhere::Config{
{milvus::knowhere::meta::DIM, DIM},
// {milvus::knowhere::meta::TOPK, 10},
{milvus::knowhere::Metric::TYPE, metric_type},
{milvus::knowhere::INDEX_FILE_SLICE_SIZE_IN_MEGABYTE, 4},
};
#endif
} else if (index_type == milvus::knowhere::IndexEnum::INDEX_HNSW) {
return milvus::knowhere::Config{
{milvus::knowhere::meta::DIM, DIM}, {milvus::knowhere::meta::TOPK, K},
{milvus::knowhere::IndexParams::M, 16}, {milvus::knowhere::IndexParams::efConstruction, 200},
{milvus::knowhere::IndexParams::ef, 200}, {milvus::knowhere::Metric::TYPE, metric_type},
};
} else if (index_type == milvus::knowhere::IndexEnum::INDEX_ANNOY) {
return milvus::knowhere::Config{
{milvus::knowhere::meta::DIM, DIM},
{milvus::knowhere::meta::TOPK, K},
{milvus::knowhere::IndexParams::n_trees, 4},
{milvus::knowhere::IndexParams::search_k, 100},
{milvus::knowhere::Metric::TYPE, metric_type},
{milvus::knowhere::INDEX_FILE_SLICE_SIZE_IN_MEGABYTE, 4},
};
} else if (index_type == milvus::knowhere::IndexEnum::INDEX_RHNSWFlat) {
return milvus::knowhere::Config{
{milvus::knowhere::meta::DIM, DIM},
{milvus::knowhere::meta::TOPK, K},
{milvus::knowhere::IndexParams::M, 16},
{milvus::knowhere::IndexParams::efConstruction, 200},
{milvus::knowhere::IndexParams::ef, 200},
{milvus::knowhere::Metric::TYPE, metric_type},
{milvus::knowhere::INDEX_FILE_SLICE_SIZE_IN_MEGABYTE, 4},
};
} else if (index_type == milvus::knowhere::IndexEnum::INDEX_RHNSWPQ) {
return milvus::knowhere::Config{
{milvus::knowhere::meta::DIM, DIM},
{milvus::knowhere::meta::TOPK, K},
{milvus::knowhere::IndexParams::M, 16},
{milvus::knowhere::IndexParams::efConstruction, 200},
{milvus::knowhere::IndexParams::ef, 200},
{milvus::knowhere::Metric::TYPE, metric_type},
{milvus::knowhere::INDEX_FILE_SLICE_SIZE_IN_MEGABYTE, 4},
{milvus::knowhere::IndexParams::PQM, 8},
};
} else if (index_type == milvus::knowhere::IndexEnum::INDEX_RHNSWSQ) {
return milvus::knowhere::Config{
{milvus::knowhere::meta::DIM, DIM},
{milvus::knowhere::meta::TOPK, K},
{milvus::knowhere::IndexParams::M, 16},
{milvus::knowhere::IndexParams::efConstruction, 200},
{milvus::knowhere::IndexParams::ef, 200},
{milvus::knowhere::Metric::TYPE, metric_type},
{milvus::knowhere::INDEX_FILE_SLICE_SIZE_IN_MEGABYTE, 4},
};
} else if (index_type == milvus::knowhere::IndexEnum::INDEX_NGTPANNG) {
return milvus::knowhere::Config{
{milvus::knowhere::meta::DIM, DIM},
{milvus::knowhere::meta::TOPK, K},
{milvus::knowhere::Metric::TYPE, metric_type},
{milvus::knowhere::IndexParams::edge_size, 10},
{milvus::knowhere::IndexParams::epsilon, 0.1},
{milvus::knowhere::IndexParams::max_search_edges, 50},
{milvus::knowhere::IndexParams::forcedly_pruned_edge_size, 60},
{milvus::knowhere::IndexParams::selectively_pruned_edge_size, 30},
{milvus::knowhere::INDEX_FILE_SLICE_SIZE_IN_MEGABYTE, 4},
};
} else if (index_type == milvus::knowhere::IndexEnum::INDEX_NGTONNG) {
return milvus::knowhere::Config{
{milvus::knowhere::meta::DIM, DIM},
{milvus::knowhere::meta::TOPK, K},
{milvus::knowhere::Metric::TYPE, metric_type},
{milvus::knowhere::IndexParams::edge_size, 20},
{milvus::knowhere::IndexParams::epsilon, 0.1},
{milvus::knowhere::IndexParams::max_search_edges, 50},
{milvus::knowhere::IndexParams::outgoing_edge_size, 5},
{milvus::knowhere::IndexParams::incoming_edge_size, 40},
{milvus::knowhere::INDEX_FILE_SLICE_SIZE_IN_MEGABYTE, 4},
};
}
return milvus::knowhere::Config();
}
auto
generate_params(const milvus::knowhere::IndexType& index_type, const milvus::knowhere::MetricType& metric_type) {
indexcgo::TypeParams type_params;
indexcgo::IndexParams index_params;
auto configs = generate_conf(index_type, metric_type);
for (auto& [key, value] : configs.items()) {
auto param = index_params.add_params();
auto value_str = value.is_string() ? value.get<std::string>() : value.dump();
param->set_key(key);
param->set_value(value_str);
}
auto param = index_params.add_params();
param->set_key("index_type");
param->set_value(std::string(index_type));
return std::make_tuple(type_params, index_params);
}
auto
GenDataset(int64_t N, const milvus::knowhere::MetricType& metric_type, bool is_binary, int64_t dim = DIM) {
auto schema = std::make_shared<milvus::Schema>();
auto faiss_metric_type = milvus::knowhere::GetMetricType(metric_type);
if (!is_binary) {
schema->AddField("fakevec", milvus::engine::DataType::VECTOR_FLOAT, dim, faiss_metric_type);
return milvus::segcore::DataGen(schema, N);
} else {
schema->AddField("fakebinvec", milvus::engine::DataType::VECTOR_BINARY, dim, faiss_metric_type);
return milvus::segcore::DataGen(schema, N);
}
}
using QueryResultPtr = std::unique_ptr<milvus::indexbuilder::IndexWrapper::QueryResult>;
void
PrintQueryResult(const QueryResultPtr& result) {
auto nq = result->nq;
auto k = result->topk;
std::stringstream ss_id;
std::stringstream ss_dist;
for (auto i = 0; i < nq; i++) {
for (auto j = 0; j < k; ++j) {
ss_id << result->ids[i * k + j] << " ";
ss_dist << result->distances[i * k + j] << " ";
}
ss_id << std::endl;
ss_dist << std::endl;
}
std::cout << "id\n" << ss_id.str() << std::endl;
std::cout << "dist\n" << ss_dist.str() << std::endl;
}
float
L2(const float* point_a, const float* point_b, int dim) {
float dis = 0;
for (auto i = 0; i < dim; i++) {
auto c_a = point_a[i];
auto c_b = point_b[i];
dis += pow(c_b - c_a, 2);
}
return dis;
}
int hamming_weight(uint8_t n) {
int count=0;
while(n != 0){
count += n&1;
n >>= 1;
}
return count;
}
float
Jaccard(const uint8_t* point_a, const uint8_t* point_b, int dim) {
float dis;
int len = dim / 8;
float intersection = 0;
float union_num = 0;
for (int i = 0; i < len; i++) {
intersection += hamming_weight(point_a[i] & point_b[i]);
union_num += hamming_weight(point_a[i] | point_b[i]);
}
dis = 1 - (intersection / union_num);
return dis;
}
float
CountDistance(const void* point_a,
const void* point_b,
int dim,
const milvus::knowhere::MetricType& metric,
bool is_binary = false) {
if (point_a == nullptr || point_b == nullptr) {
return std::numeric_limits<float>::max();
}
if (metric == milvus::knowhere::Metric::L2) {
return L2(static_cast<const float*>(point_a), static_cast<const float*>(point_b), dim);
} else if (metric == milvus::knowhere::Metric::JACCARD) {
return Jaccard(static_cast<const uint8_t*>(point_a), static_cast<const uint8_t*>(point_b), dim);
} else {
return std::numeric_limits<float>::max();
}
}
void
CheckDistances(const QueryResultPtr& result,
const milvus::knowhere::DatasetPtr& base_dataset,
const milvus::knowhere::DatasetPtr& query_dataset,
const milvus::knowhere::MetricType& metric,
const float threshold = 1.0e-5) {
auto base_vecs = base_dataset->Get<float*>(milvus::knowhere::meta::TENSOR);
auto query_vecs = query_dataset->Get<float*>(milvus::knowhere::meta::TENSOR);
auto dim = base_dataset->Get<int64_t>(milvus::knowhere::meta::DIM);
auto nq = result->nq;
auto k = result->topk;
for (auto i = 0; i < nq; i++) {
for (auto j = 0; j < k; ++j) {
auto dis = result->distances[i * k + j];
auto id = result->ids[i * k + j];
auto count_dis = CountDistance(query_vecs + i * dim, base_vecs + id * dim, dim, metric);
// assert(std::abs(dis - count_dis) < threshold);
}
}
}
} // namespace
using Param = std::pair<milvus::knowhere::IndexType, milvus::knowhere::MetricType>;
class IndexWrapperTest : public ::testing::TestWithParam<Param> {
protected:
void
SetUp() override {
auto param = GetParam();
index_type = param.first;
metric_type = param.second;
std::tie(type_params, index_params) = generate_params(index_type, metric_type);
std::map<std::string, bool> is_binary_map = {
{milvus::knowhere::IndexEnum::INDEX_FAISS_IDMAP, false},
{milvus::knowhere::IndexEnum::INDEX_FAISS_IVFPQ, false},
{milvus::knowhere::IndexEnum::INDEX_FAISS_IVFFLAT, false},
{milvus::knowhere::IndexEnum::INDEX_FAISS_IVFSQ8, false},
{milvus::knowhere::IndexEnum::INDEX_FAISS_BIN_IVFFLAT, true},
{milvus::knowhere::IndexEnum::INDEX_FAISS_BIN_IDMAP, true},
#ifdef MILVUS_SUPPORT_SPTAG
{milvus::knowhere::IndexEnum::INDEX_SPTAG_KDT_RNT, false},
{milvus::knowhere::IndexEnum::INDEX_SPTAG_BKT_RNT, false},
#endif
{milvus::knowhere::IndexEnum::INDEX_HNSW, false},
{milvus::knowhere::IndexEnum::INDEX_ANNOY, false},
{milvus::knowhere::IndexEnum::INDEX_RHNSWFlat, false},
{milvus::knowhere::IndexEnum::INDEX_RHNSWPQ, false},
{milvus::knowhere::IndexEnum::INDEX_RHNSWSQ, false},
{milvus::knowhere::IndexEnum::INDEX_NGTPANNG, false},
{milvus::knowhere::IndexEnum::INDEX_NGTONNG, false},
{milvus::knowhere::IndexEnum::INDEX_NSG, false},
};
is_binary = is_binary_map[index_type];
bool ok;
ok = google::protobuf::TextFormat::PrintToString(type_params, &type_params_str);
assert(ok);
ok = google::protobuf::TextFormat::PrintToString(index_params, &index_params_str);
assert(ok);
auto dataset = GenDataset(NB, metric_type, is_binary);
if (!is_binary) {
xb_data = dataset.get_col<float>(0);
xb_dataset = milvus::knowhere::GenDataset(NB, DIM, xb_data.data());
xq_data = dataset.get_col<float>(0);
xq_dataset = milvus::knowhere::GenDataset(NQ, DIM, xq_data.data());
} else {
xb_bin_data = dataset.get_col<uint8_t>(0);
xb_dataset = milvus::knowhere::GenDataset(NB, DIM, xb_bin_data.data());
xq_bin_data = dataset.get_col<uint8_t>(0);
xq_dataset = milvus::knowhere::GenDataset(NQ, DIM, xq_bin_data.data());
}
}
void
TearDown() override {
}
protected:
std::string index_type, metric_type;
indexcgo::TypeParams type_params;
indexcgo::IndexParams index_params;
std::string type_params_str, index_params_str;
bool is_binary;
milvus::knowhere::DatasetPtr xb_dataset;
std::vector<float> xb_data;
std::vector<uint8_t> xb_bin_data;
std::vector<milvus::knowhere::IDType> ids;
milvus::knowhere::DatasetPtr xq_dataset;
std::vector<float> xq_data;
std::vector<uint8_t> xq_bin_data;
};
TEST(PQ, Build) {
auto index_type = milvus::knowhere::IndexEnum::INDEX_FAISS_IVFPQ;
auto metric_type = milvus::knowhere::Metric::L2;
auto conf = generate_conf(index_type, metric_type);
auto index = milvus::knowhere::VecIndexFactory::GetInstance().CreateVecIndex(index_type);
auto dataset = GenDataset(NB, metric_type, false);
auto xb_data = dataset.get_col<float>(0);
auto xb_dataset = milvus::knowhere::GenDataset(NB, DIM, xb_data.data());
ASSERT_NO_THROW(index->Train(xb_dataset, conf));
ASSERT_NO_THROW(index->AddWithoutIds(xb_dataset, conf));
}
TEST(IVFFLATNM, Build) {
auto index_type = milvus::knowhere::IndexEnum::INDEX_FAISS_IVFFLAT;
auto metric_type = milvus::knowhere::Metric::L2;
auto conf = generate_conf(index_type, metric_type);
auto index = milvus::knowhere::VecIndexFactory::GetInstance().CreateVecIndex(index_type);
auto dataset = GenDataset(NB, metric_type, false);
auto xb_data = dataset.get_col<float>(0);
auto xb_dataset = milvus::knowhere::GenDataset(NB, DIM, xb_data.data());
ASSERT_NO_THROW(index->Train(xb_dataset, conf));
ASSERT_NO_THROW(index->AddWithoutIds(xb_dataset, conf));
}
TEST(IVFFLATNM, Query) {
auto index_type = milvus::knowhere::IndexEnum::INDEX_FAISS_IVFFLAT;
auto metric_type = milvus::knowhere::Metric::L2;
auto conf = generate_conf(index_type, metric_type);
auto index = milvus::knowhere::VecIndexFactory::GetInstance().CreateVecIndex(index_type);
auto dataset = GenDataset(NB, metric_type, false);
auto xb_data = dataset.get_col<float>(0);
auto xb_dataset = milvus::knowhere::GenDataset(NB, DIM, xb_data.data());
ASSERT_NO_THROW(index->Train(xb_dataset, conf));
ASSERT_NO_THROW(index->AddWithoutIds(xb_dataset, conf));
auto bs = index->Serialize(conf);
auto bptr = std::make_shared<milvus::knowhere::Binary>();
bptr->data = std::shared_ptr<uint8_t[]>((uint8_t*)xb_data.data(), [&](uint8_t*) {});
bptr->size = DIM * NB * sizeof(float);
bs.Append(RAW_DATA, bptr);
index->Load(bs);
auto xq_data = dataset.get_col<float>(0);
auto xq_dataset = milvus::knowhere::GenDataset(NQ, DIM, xq_data.data());
auto result = index->Query(xq_dataset, conf, nullptr);
}
TEST(NSG, Query) {
auto index_type = milvus::knowhere::IndexEnum::INDEX_NSG;
auto metric_type = milvus::knowhere::Metric::L2;
auto conf = generate_conf(index_type, metric_type);
auto index = milvus::knowhere::VecIndexFactory::GetInstance().CreateVecIndex(index_type);
auto dataset = GenDataset(NB, metric_type, false);
auto xb_data = dataset.get_col<float>(0);
auto xb_dataset = milvus::knowhere::GenDataset(NB, DIM, xb_data.data());
index->BuildAll(xb_dataset, conf);
auto bs = index->Serialize(conf);
auto bptr = std::make_shared<milvus::knowhere::Binary>();
bptr->data = std::shared_ptr<uint8_t[]>((uint8_t*)xb_data.data(), [&](uint8_t*) {});
bptr->size = DIM * NB * sizeof(float);
bs.Append(RAW_DATA, bptr);
index->Load(bs);
auto xq_data = dataset.get_col<float>(0);
auto xq_dataset = milvus::knowhere::GenDataset(NQ, DIM, xq_data.data());
auto result = index->Query(xq_dataset, conf, nullptr);
}
TEST(BINFLAT, Build) {
auto index_type = milvus::knowhere::IndexEnum::INDEX_FAISS_BIN_IVFFLAT;
auto metric_type = milvus::knowhere::Metric::JACCARD;
auto conf = generate_conf(index_type, metric_type);
auto index = milvus::knowhere::VecIndexFactory::GetInstance().CreateVecIndex(index_type);
auto dataset = GenDataset(NB, metric_type, true);
auto xb_data = dataset.get_col<uint8_t>(0);
std::vector<milvus::knowhere::IDType> ids(NB, 0);
std::iota(ids.begin(), ids.end(), 0);
auto xb_dataset = milvus::knowhere::GenDataset(NB, DIM, xb_data.data());
ASSERT_NO_THROW(index->BuildAll(xb_dataset, conf));
}
TEST(BINIDMAP, Build) {
auto index_type = milvus::knowhere::IndexEnum::INDEX_FAISS_BIN_IDMAP;
auto metric_type = milvus::knowhere::Metric::JACCARD;
auto conf = generate_conf(index_type, metric_type);
auto index = milvus::knowhere::VecIndexFactory::GetInstance().CreateVecIndex(index_type);
auto dataset = GenDataset(NB, metric_type, true);
auto xb_data = dataset.get_col<uint8_t>(0);
std::vector<milvus::knowhere::IDType> ids(NB, 0);
std::iota(ids.begin(), ids.end(), 0);
auto xb_dataset = milvus::knowhere::GenDataset(NB, DIM, xb_data.data());
ASSERT_NO_THROW(index->BuildAll(xb_dataset, conf));
}
TEST(PQWrapper, Build) {
auto index_type = milvus::knowhere::IndexEnum::INDEX_FAISS_IVFPQ;
auto metric_type = milvus::knowhere::Metric::L2;
indexcgo::TypeParams type_params;
indexcgo::IndexParams index_params;
std::tie(type_params, index_params) = generate_params(index_type, metric_type);
std::string type_params_str, index_params_str;
bool ok;
ok = google::protobuf::TextFormat::PrintToString(type_params, &type_params_str);
assert(ok);
ok = google::protobuf::TextFormat::PrintToString(index_params, &index_params_str);
assert(ok);
auto dataset = GenDataset(NB, metric_type, false);
auto xb_data = dataset.get_col<float>(0);
auto xb_dataset = milvus::knowhere::GenDataset(NB, DIM, xb_data.data());
auto index =
std::make_unique<milvus::indexbuilder::IndexWrapper>(type_params_str.c_str(), index_params_str.c_str());
ASSERT_NO_THROW(index->BuildWithoutIds(xb_dataset));
}
TEST(IVFFLATNMWrapper, Build) {
auto index_type = milvus::knowhere::IndexEnum::INDEX_FAISS_IVFFLAT;
auto metric_type = milvus::knowhere::Metric::L2;
indexcgo::TypeParams type_params;
indexcgo::IndexParams index_params;
std::tie(type_params, index_params) = generate_params(index_type, metric_type);
std::string type_params_str, index_params_str;
bool ok;
ok = google::protobuf::TextFormat::PrintToString(type_params, &type_params_str);
assert(ok);
ok = google::protobuf::TextFormat::PrintToString(index_params, &index_params_str);
assert(ok);
auto dataset = GenDataset(NB, metric_type, false);
auto xb_data = dataset.get_col<float>(0);
auto xb_dataset = milvus::knowhere::GenDataset(NB, DIM, xb_data.data());
auto index =
std::make_unique<milvus::indexbuilder::IndexWrapper>(type_params_str.c_str(), index_params_str.c_str());
ASSERT_NO_THROW(index->BuildWithoutIds(xb_dataset));
}
TEST(IVFFLATNMWrapper, Codec) {
auto index_type = milvus::knowhere::IndexEnum::INDEX_FAISS_IVFFLAT;
auto metric_type = milvus::knowhere::Metric::L2;
indexcgo::TypeParams type_params;
indexcgo::IndexParams index_params;
std::tie(type_params, index_params) = generate_params(index_type, metric_type);
std::string type_params_str, index_params_str;
bool ok;
ok = google::protobuf::TextFormat::PrintToString(type_params, &type_params_str);
assert(ok);
ok = google::protobuf::TextFormat::PrintToString(index_params, &index_params_str);
assert(ok);
auto dataset = GenDataset(NB, metric_type, false);
auto xb_data = dataset.get_col<float>(0);
auto xb_dataset = milvus::knowhere::GenDataset(NB, DIM, xb_data.data());
auto index =
std::make_unique<milvus::indexbuilder::IndexWrapper>(type_params_str.c_str(), index_params_str.c_str());
ASSERT_NO_THROW(index->BuildWithoutIds(xb_dataset));
auto binary = index->Serialize();
auto copy_index =
std::make_unique<milvus::indexbuilder::IndexWrapper>(type_params_str.c_str(), index_params_str.c_str());
ASSERT_NO_THROW(copy_index->Load(binary.data, binary.size));
ASSERT_EQ(copy_index->dim(), copy_index->dim());
auto copy_binary = copy_index->Serialize();
}
TEST(BinFlatWrapper, Build) {
auto index_type = milvus::knowhere::IndexEnum::INDEX_FAISS_BIN_IVFFLAT;
auto metric_type = milvus::knowhere::Metric::JACCARD;
indexcgo::TypeParams type_params;
indexcgo::IndexParams index_params;
std::tie(type_params, index_params) = generate_params(index_type, metric_type);
std::string type_params_str, index_params_str;
bool ok;
ok = google::protobuf::TextFormat::PrintToString(type_params, &type_params_str);
assert(ok);
ok = google::protobuf::TextFormat::PrintToString(index_params, &index_params_str);
assert(ok);
auto dataset = GenDataset(NB, metric_type, true);
auto xb_data = dataset.get_col<uint8_t>(0);
std::vector<milvus::knowhere::IDType> ids(NB, 0);
std::iota(ids.begin(), ids.end(), 0);
auto xb_dataset = milvus::knowhere::GenDataset(NB, DIM, xb_data.data());
auto index =
std::make_unique<milvus::indexbuilder::IndexWrapper>(type_params_str.c_str(), index_params_str.c_str());
ASSERT_NO_THROW(index->BuildWithoutIds(xb_dataset));
// ASSERT_NO_THROW(index->BuildWithIds(xb_dataset));
}
TEST(BinIdMapWrapper, Build) {
auto index_type = milvus::knowhere::IndexEnum::INDEX_FAISS_BIN_IDMAP;
auto metric_type = milvus::knowhere::Metric::JACCARD;
indexcgo::TypeParams type_params;
indexcgo::IndexParams index_params;
std::tie(type_params, index_params) = generate_params(index_type, metric_type);
std::string type_params_str, index_params_str;
bool ok;
ok = google::protobuf::TextFormat::PrintToString(type_params, &type_params_str);
assert(ok);
ok = google::protobuf::TextFormat::PrintToString(index_params, &index_params_str);
assert(ok);
auto dataset = GenDataset(NB, metric_type, true);
auto xb_data = dataset.get_col<uint8_t>(0);
std::vector<milvus::knowhere::IDType> ids(NB, 0);
std::iota(ids.begin(), ids.end(), 0);
auto xb_dataset = milvus::knowhere::GenDataset(NB, DIM, xb_data.data());
auto index =
std::make_unique<milvus::indexbuilder::IndexWrapper>(type_params_str.c_str(), index_params_str.c_str());
ASSERT_NO_THROW(index->BuildWithoutIds(xb_dataset));
// ASSERT_NO_THROW(index->BuildWithIds(xb_dataset));
}
INSTANTIATE_TEST_CASE_P(
IndexTypeParameters,
IndexWrapperTest,
::testing::Values(std::pair(milvus::knowhere::IndexEnum::INDEX_FAISS_IDMAP, milvus::knowhere::Metric::L2),
std::pair(milvus::knowhere::IndexEnum::INDEX_FAISS_IVFPQ, milvus::knowhere::Metric::L2),
std::pair(milvus::knowhere::IndexEnum::INDEX_FAISS_IVFFLAT, milvus::knowhere::Metric::L2),
std::pair(milvus::knowhere::IndexEnum::INDEX_FAISS_IVFSQ8, milvus::knowhere::Metric::L2),
std::pair(milvus::knowhere::IndexEnum::INDEX_FAISS_BIN_IVFFLAT,
milvus::knowhere::Metric::JACCARD),
std::pair(milvus::knowhere::IndexEnum::INDEX_FAISS_BIN_IDMAP, milvus::knowhere::Metric::JACCARD),
#ifdef MILVUS_SUPPORT_SPTAG
std::pair(milvus::knowhere::IndexEnum::INDEX_SPTAG_KDT_RNT, milvus::knowhere::Metric::L2),
std::pair(milvus::knowhere::IndexEnum::INDEX_SPTAG_BKT_RNT, milvus::knowhere::Metric::L2),
#endif
std::pair(milvus::knowhere::IndexEnum::INDEX_HNSW, milvus::knowhere::Metric::L2),
std::pair(milvus::knowhere::IndexEnum::INDEX_ANNOY, milvus::knowhere::Metric::L2),
std::pair(milvus::knowhere::IndexEnum::INDEX_RHNSWFlat, milvus::knowhere::Metric::L2),
std::pair(milvus::knowhere::IndexEnum::INDEX_RHNSWPQ, milvus::knowhere::Metric::L2),
std::pair(milvus::knowhere::IndexEnum::INDEX_RHNSWSQ, milvus::knowhere::Metric::L2),
std::pair(milvus::knowhere::IndexEnum::INDEX_NGTPANNG, milvus::knowhere::Metric::L2),
std::pair(milvus::knowhere::IndexEnum::INDEX_NGTONNG, milvus::knowhere::Metric::L2),
std::pair(milvus::knowhere::IndexEnum::INDEX_NSG, milvus::knowhere::Metric::L2)));
TEST_P(IndexWrapperTest, Constructor) {
auto index =
std::make_unique<milvus::indexbuilder::IndexWrapper>(type_params_str.c_str(), index_params_str.c_str());
}
TEST_P(IndexWrapperTest, Dim) {
auto index =
std::make_unique<milvus::indexbuilder::IndexWrapper>(type_params_str.c_str(), index_params_str.c_str());
ASSERT_EQ(index->dim(), DIM);
}
TEST_P(IndexWrapperTest, BuildWithoutIds) {
auto index =
std::make_unique<milvus::indexbuilder::IndexWrapper>(type_params_str.c_str(), index_params_str.c_str());
ASSERT_NO_THROW(index->BuildWithoutIds(xb_dataset));
}
TEST_P(IndexWrapperTest, Codec) {
auto index =
std::make_unique<milvus::indexbuilder::IndexWrapper>(type_params_str.c_str(), index_params_str.c_str());
ASSERT_NO_THROW(index->BuildWithoutIds(xb_dataset));
auto binary = index->Serialize();
auto copy_index =
std::make_unique<milvus::indexbuilder::IndexWrapper>(type_params_str.c_str(), index_params_str.c_str());
ASSERT_NO_THROW(copy_index->Load(binary.data, binary.size));
ASSERT_EQ(copy_index->dim(), copy_index->dim());
auto copy_binary = copy_index->Serialize();
if (!milvus::indexbuilder::is_in_nm_list(index_type)) {
// binary may be not same due to uncertain internal map order
ASSERT_EQ(binary.size, copy_binary.size);
ASSERT_EQ(strcmp(binary.data, copy_binary.data), 0);
}
}
TEST_P(IndexWrapperTest, Query) {
auto index_wrapper =
std::make_unique<milvus::indexbuilder::IndexWrapper>(type_params_str.c_str(), index_params_str.c_str());
index_wrapper->BuildWithoutIds(xb_dataset);
std::unique_ptr<milvus::indexbuilder::IndexWrapper::QueryResult> query_result = index_wrapper->Query(xq_dataset);
ASSERT_EQ(query_result->topk, K);
ASSERT_EQ(query_result->nq, NQ);
ASSERT_EQ(query_result->distances.size(), query_result->topk * query_result->nq);
ASSERT_EQ(query_result->ids.size(), query_result->topk * query_result->nq);
}
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