milvus/core/unittest/wrapper/test_hybrid_index.cpp
xiaojun.lin c19a6ee483 MS-648 add ut v3
Former-commit-id: f9127c08e1bf0d2244fbed8113a003e52d781df4
2019-10-17 16:31:02 +08:00

134 lines
4.3 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.
#include "wrapper/VecIndex.h"
#include "wrapper/utils.h"
#include "knowhere/index/vector_index/helpers/FaissGpuResourceMgr.h"
#include "knowhere/index/vector_index/helpers/IndexParameter.h"
#include <gtest/gtest.h>
#include "knowhere/index/vector_index/IndexIVFSQHybrid.h"
using ::testing::TestWithParam;
using ::testing::Values;
using ::testing::Combine;
class KnowhereHybrid
: public DataGenBase, public ::testing::Test {
protected:
void SetUp() override {
knowhere::FaissGpuResourceMgr::GetInstance().InitDevice(DEVICEID, PINMEM, TEMPMEM, RESNUM);
dim = 128;
nb = 10000;
nq = 100;
k = 100;
GenData(dim, nb, nq, xb, xq, ids, k, gt_ids, gt_dis);
}
void TearDown() override {
knowhere::FaissGpuResourceMgr::GetInstance().Free();
}
protected:
milvus::engine::IndexType index_type;
milvus::engine::VecIndexPtr index_ = nullptr;
knowhere::Config conf;
};
#ifdef CUSTOMIZATION
TEST_F(KnowhereHybrid, test_interface) {
assert(!xb.empty());
index_type = milvus::engine::IndexType::FAISS_IVFSQ8_HYBRID;
index_ = GetVecIndexFactory(index_type);
conf = ParamGenerator::GetInstance().Gen(index_type);
auto elems = nq * k;
std::vector<int64_t> res_ids(elems);
std::vector<float> res_dis(elems);
conf->gpu_id = DEVICEID;
conf->d = dim;
conf->k = k;
index_->BuildAll(nb, xb.data(), ids.data(), conf);
index_->Search(nq, xq.data(), res_dis.data(), res_ids.data(), conf);
AssertResult(res_ids, res_dis);
EXPECT_EQ(index_->Count(), nb);
EXPECT_EQ(index_->Dimension(), dim);
auto binaryset = index_->Serialize();
{
// cpu -> gpu
auto cpu_idx = GetVecIndexFactory(index_type);
cpu_idx->Load(binaryset);
{
for (int i = 0; i < 2; ++i) {
auto gpu_idx = cpu_idx->CopyToGpu(DEVICEID, conf);
gpu_idx->Search(nq, xq.data(), res_dis.data(), res_ids.data(), conf);
AssertResult(res_ids, res_dis);
}
}
}
{
// quantization already in gpu, only copy data
auto cpu_idx = GetVecIndexFactory(index_type);
cpu_idx->Load(binaryset);
auto pair = cpu_idx->CopyToGpuWithQuantizer(DEVICEID, conf);
auto gpu_idx = pair.first;
auto quantization = pair.second;
gpu_idx->Search(nq, xq.data(), res_dis.data(), res_ids.data(), conf);
AssertResult(res_ids, res_dis);
auto quantizer_conf = std::make_shared<knowhere::QuantizerCfg>();
quantizer_conf->mode = 2;
quantizer_conf->gpu_id = DEVICEID;
for (int i = 0; i < 2; ++i) {
auto hybrid_idx = GetVecIndexFactory(index_type);
hybrid_idx->Load(binaryset);
hybrid_idx->LoadData(quantization, quantizer_conf);
hybrid_idx->Search(nq, xq.data(), res_dis.data(), res_ids.data(), conf);
AssertResult(res_ids, res_dis);
}
}
{
// quantization already in gpu, only set quantization
auto cpu_idx = GetVecIndexFactory(index_type);
cpu_idx->Load(binaryset);
auto pair = cpu_idx->CopyToGpuWithQuantizer(DEVICEID, conf);
auto quantization = pair.second;
for (int i = 0; i < 2; ++i) {
auto hybrid_idx = GetVecIndexFactory(index_type);
hybrid_idx->Load(binaryset);
hybrid_idx->SetQuantizer(quantization);
hybrid_idx->Search(nq, xq.data(), res_dis.data(), res_ids.data(), conf);
AssertResult(res_ids, res_dis);
hybrid_idx->UnsetQuantizer();
}
}
}
#endif