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MS-496 Change the top_k limitation from 1024 to 2048 

Former-commit-id: fc04ff846d7d4d8b1fb2b16e9dba4f5ddfbe9c9d
pull/191/head
Heisenberg 2019-09-07 14:48:15 +08:00
parent 380d7ef792
commit b167b004c7
2 changed files with 1 additions and 47 deletions
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2
cpp/src/utils/ValidationUtil.cpp
View File

@ -94,7 +94,7 @@ ValidationUtil::ValidateTableIndexMetricType(int32_t metric_type) {
ErrorCode
ValidationUtil::ValidateSearchTopk(int64_t top_k, const engine::meta::TableSchema& table_schema) {
if (top_k <= 0) {
if (top_k <= 0 || top_k > 2048) {
return SERVER_INVALID_TOPK;
}

46
cpp/src/wrapper/knowhere/vec_index.cpp
View File

@ -243,28 +243,8 @@ void AutoGenParams(const IndexType &type, const long &size, zilliz::knowhere::Co
#define GPU_MAX_NRPOBE 1024
#endif
#define GPU_MAX_TOP_K GPU_MAX_NRPOBE
// TODO(yzb): may be changed latter
#define CPU_MAX_TOP_K GPU_MAX_TOP_K
#define DEFAULT_MAX_TOP_K GPU_MAX_TOP_K
void ParameterValidation(const IndexType &type, Config &cfg) {
switch (type) {
case IndexType::FAISS_IVFFLAT_CPU:
case IndexType::FAISS_IVFPQ_CPU:
case IndexType::FAISS_IVFSQ8_CPU: {
//search on CPU
if (cfg.get_with_default("k", 0) != 0) {
auto k = cfg["k"].as<int>();
if (k > CPU_MAX_TOP_K) {
WRAPPER_LOG_WARNING << "When search with CPU, top_k shoud be no more than " << CPU_MAX_TOP_K
<< ", but you passed " << k
<< ". Search with " << CPU_MAX_TOP_K << " instead";
cfg.insert_or_assign("k", CPU_MAX_TOP_K);
}
}
break;
}
case IndexType::FAISS_IVFSQ8_GPU:
case IndexType::FAISS_IVFFLAT_GPU:
case IndexType::FAISS_IVFPQ_GPU: {
@ -278,32 +258,6 @@ void ParameterValidation(const IndexType &type, Config &cfg) {
cfg.insert_or_assign("nprobe", GPU_MAX_NRPOBE);
}
}
if (cfg.get_with_default("k", 0) != 0) {
auto k = cfg["k"].as<int>();
if (k > GPU_MAX_TOP_K) {
WRAPPER_LOG_WARNING << "When search with GPU, top_k shoud be no more than " << GPU_MAX_TOP_K
<< ", but you passed " << k
<< ". Search with " << GPU_MAX_TOP_K << " instead";
cfg.insert_or_assign("k", GPU_MAX_TOP_K);
}
}
break;
}
case IndexType::FAISS_IDMAP:
case IndexType::FAISS_IVFFLAT_MIX:
case IndexType::SPTAG_KDT_RNT_CPU:
case IndexType::FAISS_IVFSQ8_MIX:
case IndexType::NSG_MIX: {
// TODO(yzb): need to figure out where it search
if (cfg.get_with_default("k", 0) != 0) {
auto k = cfg["k"].as<int>();
if (k > DEFAULT_MAX_TOP_K) {
WRAPPER_LOG_WARNING << "top_k shoud be no more than " << DEFAULT_MAX_TOP_K << ", but you passed "
<< k
<< ". Search with " << DEFAULT_MAX_TOP_K << " instead";
cfg.insert_or_assign("k", DEFAULT_MAX_TOP_K);
}
}
break;
}
default:break;