diff --git a/cmake/compiler/arcmwdt/compiler_flags.cmake b/cmake/compiler/arcmwdt/compiler_flags.cmake
index 52f82c4273b..2827c954e75 100644
--- a/cmake/compiler/arcmwdt/compiler_flags.cmake
+++ b/cmake/compiler/arcmwdt/compiler_flags.cmake
@@ -14,7 +14,8 @@ list(APPEND CXX_EXCLUDED_OPTIONS
 set_compiler_property(PROPERTY no_optimization -O0)
 set_compiler_property(PROPERTY optimization_debug -O0)
 set_compiler_property(PROPERTY optimization_speed -O2)
-set_compiler_property(PROPERTY optimization_size  -Os)
+set_compiler_property(PROPERTY optimization_size -Os)
+set_compiler_property(PROPERTY optimization_fast -O3)
 
 #######################################################
 # This section covers flags related to warning levels #
diff --git a/cmake/compiler/compiler_flags_template.cmake b/cmake/compiler/compiler_flags_template.cmake
index c4fa86c124f..bd8733ce9d0 100644
--- a/cmake/compiler/compiler_flags_template.cmake
+++ b/cmake/compiler/compiler_flags_template.cmake
@@ -15,6 +15,8 @@ set_compiler_property(PROPERTY optimization_size)
 
 set_compiler_property(PROPERTY optimization_size_aggressive)
 
+set_compiler_property(PROPERTY optimization_fast)
+
 #######################################################
 # This section covers flags related to warning levels #
 #######################################################
diff --git a/cmake/compiler/gcc/compiler_flags.cmake b/cmake/compiler/gcc/compiler_flags.cmake
index 438c216d87c..48afd244ac7 100644
--- a/cmake/compiler/gcc/compiler_flags.cmake
+++ b/cmake/compiler/gcc/compiler_flags.cmake
@@ -21,6 +21,7 @@ endif()
 set_compiler_property(PROPERTY optimization_speed -O2)
 set_compiler_property(PROPERTY optimization_size  -Os)
 set_compiler_property(PROPERTY optimization_size_aggressive -Oz)
+set_compiler_property(PROPERTY optimization_fast -Ofast)
 
 if(CMAKE_C_COMPILER_VERSION GREATER_EQUAL "4.5.0")
   set_compiler_property(PROPERTY optimization_lto -flto=auto)
diff --git a/cmake/compiler/iar/compiler_flags.cmake b/cmake/compiler/iar/compiler_flags.cmake
index c72929fe027..ccbb6ceb82b 100644
--- a/cmake/compiler/iar/compiler_flags.cmake
+++ b/cmake/compiler/iar/compiler_flags.cmake
@@ -17,6 +17,8 @@ set_compiler_property(PROPERTY optimization_size -Ohz)
 
 set_compiler_property(PROPERTY optimization_size_aggressive -Ohz)
 
+set_compiler_property(PROPERTY optimization_fast --no_size_constraints)
+
 #######################################################
 # This section covers flags related to warning levels #
 #######################################################
diff --git a/modules/cmsis-dsp/CMakeLists.txt b/modules/cmsis-dsp/CMakeLists.txt
index e5ebbfcf172..2a0924cc25c 100644
--- a/modules/cmsis-dsp/CMakeLists.txt
+++ b/modules/cmsis-dsp/CMakeLists.txt
@@ -8,7 +8,7 @@ if(CONFIG_CMSIS_DSP)
 
   zephyr_library()
 
-  zephyr_library_compile_options(-Ofast)
+  zephyr_library_compile_options($<TARGET_PROPERTY:compiler,optimization_fast>)
 
   zephyr_include_directories(
     ${CMSIS_DSP_DIR}/Include
@@ -47,8 +47,6 @@ if(CONFIG_CMSIS_DSP)
     endif()
   endif()
 
-  zephyr_library_compile_options(-Ofast)
-
   zephyr_compile_definitions_ifndef(CONFIG_ARM __GNUC_PYTHON__)
 
   # BasicMathFunctions
diff --git a/modules/cmsis-nn/CMakeLists.txt b/modules/cmsis-nn/CMakeLists.txt
index 0fdf3db9675..7c05e8a585a 100644
--- a/modules/cmsis-nn/CMakeLists.txt
+++ b/modules/cmsis-nn/CMakeLists.txt
@@ -8,7 +8,7 @@ if(CONFIG_CMSIS_NN)
 
   zephyr_library()
 
-  zephyr_library_compile_options(-Ofast)
+  zephyr_library_compile_options($<TARGET_PROPERTY:compiler,optimization_fast>)
 
   zephyr_include_directories(${CMSIS_NN_DIR}/Include)