if(CMAKE_CXX_COMPILER_ID MATCHES Intel)
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-unknown-pragmas")
    set(CMAKE_CXX_FLAGS_RELEASE "-O3 -DNDEBUG")
    set(CMAKE_CXX_FLAGS_DEBUG "-O0 -debug -DDEBUG")
endif()