diff --git a/CMakeLists.txt b/CMakeLists.txt
index 059c97f..65fb3ee 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -163,6 +163,34 @@ else()
 	endif()
 endif()
 
+set(${PropertyPrefix}BUILD_SIZE FALSE CACHE BOOL "Focus on small size instead of maximum performance in release builds.")
+set(${PropertyPrefix}BUILD_SPEED TRUE CACHE BOOL "Focus on maximum performance instead of small size in release builds.")
+if(${PropertyPrefix}BUILD_SIZE)
+	if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+	elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
+	elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Intel")
+	elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
+		set(_EXTRA_FLAGS "/O1 /Os /GF /GS- /Zp1 /arch:AVX /GR- /GL /LTCG:incremental /OPT:ICF")
+		set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} ${_EXTRA_FLAGS}")
+		set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO} ${_EXTRA_FLAGS}")
+		set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${_EXTRA_FLAGS}")
+		set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} ${_EXTRA_FLAGS}")
+		unset(_EXTRA_FLAGS)
+	endif()
+elseif(${PropertyPrefix}BUILD_SPEED)
+	if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+	elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
+	elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Intel")
+	elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
+		set(_EXTRA_FLAGS "/O2 /Oi /Ot /Oy /GF /GS- /Zp4 /Qpar /arch:AVX /GR- /GL /LTCG:incremental /OPT:ICF")
+		set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} ${_EXTRA_FLAGS}")
+		set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO} ${_EXTRA_FLAGS}")
+		set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${_EXTRA_FLAGS}")
+		set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} ${_EXTRA_FLAGS}")
+		unset(_EXTRA_FLAGS)
+	endif()
+endif()
+
 ################################################################################
 # CMake / Compiler Dependencies
 ################################################################################