redefine default index build type

Former-commit-id: 1f10a7774b80b596323882bb74a46484a917344f

cpp/CMakeLists.txt

@@ -69,7 +69,7 @@ link_directories(${VECWISE_THIRD_PARTY_BUILD}/lib)
 #                WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/third_party)
 
 add_subdirectory(src)
-#add_subdirectory(test_client)
+add_subdirectory(test_client)
 
 if (BUILD_UNIT_TEST)
     add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/unittest)

cpp/src/db/DB.cpp

@@ -19,7 +19,14 @@ DB::~DB() {}
 
 void DB::Open(const Options& options, DB** dbptr) {
     *dbptr = nullptr;
-    *dbptr = DBFactory::Build(options);
+
+#ifdef GPU_VERSION
+    std::string default_index_type{"Faiss,IVF"};
+#else
+    std::string default_index_type{"Faiss,IDMap"};
+#endif
+
+    *dbptr = DBFactory::Build(options, default_index_type);
     return;
 }
 

cpp/unittest/server/CMakeLists.txt

@@ -7,7 +7,7 @@ include_directories(../../src)
 include_directories(/usr/include)
 
 include_directories(/usr/local/cuda/include)
-find_library(cuda_library cudart cublas HINTS /usr/local/cuda/lib64)
+link_directories(/usr/local/cuda/lib64)
 
 aux_source_directory(../../src/config config_files)
 aux_source_directory(../../src/cache cache_srcs)