diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index e7ea3d6..44e58a1 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -2,6 +2,8 @@ add_library(trigdx reference.cpp lookup.cpp)
 
 target_include_directories(trigdx PUBLIC ${PROJECT_SOURCE_DIR}/include)
 
+target_compile_options(trigdx PRIVATE -O3 -march=native)
+
 if(USE_MKL)
   find_package(MKL REQUIRED)
   target_sources(trigdx PRIVATE mkl.cpp)