set O3 for release and g3 for debug as build flags in cmake

benchmarks/CMakeLists.txt

@@ -11,6 +11,9 @@ find_package(NUMA REQUIRED)
 set(DML_SOURCE_DIR "../../DML/include/")
 set(SOURCES main.cpp)
 
+set(DEBUG_FLAGS "-g3" "-ggdb")
+set(RELEASE_FLAGS "-O3")
+
 add_executable(dml-benchmark ${SOURCES})
 
 target_include_directories(dml-benchmark PRIVATE ${CMAKE_SOURCE_DIR} ${NUMA_INCLUDE_DIRS} ${DML_SOURCE_DIR})