Replace AVX2 with AVX512 vectorization option for Intel compiler

for improved performance on AWS.
NOAA-GSL · Apr 19, 2021 · a2503ba · a2503ba
1 parent b0da090
commit a2503ba
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/cmake/Intel.cmake b/cmake/Intel.cmake
@@ -23,8 +23,8 @@ else()
     if(AVX2)
         #set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -xCORE-AVX2 -qno-opt-dynamic-align")
         #set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -xCORE-AVX2 -qno-opt-dynamic-align")
-        set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -march=core-avx2 -qno-opt-dynamic-align")
-        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=core-avx2 -qno-opt-dynamic-align")
+        set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -xCORE-AVX512 -qno-opt-dynamic-align")
+        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -xCORE-AVX512 -qno-opt-dynamic-align")
     elseif(SIMDMULTIARCH)
         set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -axSSE4.2,CORE-AVX2 -qno-opt-dynamic-align")
         set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -axSSE4.2,CORE-AVX2 -qno-opt-dynamic-align")