diff --git a/AnnService/CMakeLists.txt b/AnnService/CMakeLists.txt
index 1d4ec249..28b206f3 100644
--- a/AnnService/CMakeLists.txt
+++ b/AnnService/CMakeLists.txt
@@ -32,7 +32,8 @@ add_library (DistanceUtils STATIC
     )
 
 if(${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU")
-    target_compile_options(DistanceUtils PRIVATE -fPIC)
+    target_compile_options(DistanceUtils PRIVATE -fPIC -fopenmp-simd -O3)
+    target_compile_definitions(DistanceUtils PRIVATE SIMDE_ENABLE_NATIVE_ALIASES SIMDE_ENABLE_OPENMP)
 endif()
 
 add_library (SPTAGLib SHARED ${SRC_FILES} ${HDR_FILES})
diff --git a/AnnService/inc/Core/Common/InstructionUtils.h b/AnnService/inc/Core/Common/InstructionUtils.h
index b66138ba..7c801644 100644
--- a/AnnService/inc/Core/Common/InstructionUtils.h
+++ b/AnnService/inc/Core/Common/InstructionUtils.h
@@ -10,8 +10,11 @@
 
 #ifndef _MSC_VER
 #include <cpuid.h>
-#include <xmmintrin.h>
-#include <immintrin.h>
+#include <simde/x86/sse.h>
+#include <simde/x86/avx.h>
+#include <simde/x86/avx2.h>
+#include <simde/x86/avx512.h>
+SIMDE_DISABLE_UNWANTED_DIAGNOSTICS
 
 void cpuid(int info[4], int InfoType);