Replace AVX2 with AVX512 vectorization option for Intel compiler

to improve performance on AWS.
NOAA-GSL · Apr 19, 2021 · 2545eab · 2545eab
1 parent f2d0ad5
commit 2545eab
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/ccpp/CMakeLists.txt b/ccpp/CMakeLists.txt
@@ -119,7 +119,7 @@ elseif (${CMAKE_Fortran_COMPILER_ID} MATCHES "Intel")
   elseif (${CMAKE_BUILD_TYPE} MATCHES "Release")
     # Specify aggressive optimization flags (to be overwritten for individual files in ccpp-physics' CMakeLists.txt)
     if (AVX2)
-      set (CMAKE_Fortran_FLAGS_OPT "-no-prec-div -no-prec-sqrt -xCORE-AVX2")
+      set (CMAKE_Fortran_FLAGS_OPT "-no-prec-div -no-prec-sqrt -xCORE-AVX512")
     elseif (SIMDMULTIARCH)
       set (CMAKE_Fortran_FLAGS_OPT "-no-prec-div -no-prec-sqrt -axSSE4.2,CORE-AVX2")
     endif (AVX2)