cmake + O2参数降低代码运行时间

This commit is contained in:
modehua 2023-02-10 17:56:15 +08:00
parent 6325ce6e32
commit 6c195264db
5 changed files with 9 additions and 9 deletions

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@ -1,7 +1,7 @@
project(gimgproc) project(gimgproc)
add_compile_options(-std=c++11) add_compile_options(-std=c++11)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC -O2")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC -O2")
aux_source_directory(${PROJECT_SOURCE_DIR} DIR_SRCS) aux_source_directory(${PROJECT_SOURCE_DIR} DIR_SRCS)
file(GLOB DIR_HEADS "${PROJECT_SOURCE_DIR}/*.h" "${PROJECT_SOURCE_DIR}/*.hpp") file(GLOB DIR_HEADS "${PROJECT_SOURCE_DIR}/*.h" "${PROJECT_SOURCE_DIR}/*.hpp")
set(DIR_SRCS ${DIR_SRCS} ${DIR_HEADS}) set(DIR_SRCS ${DIR_SRCS} ${DIR_HEADS})

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@ -2,8 +2,8 @@ project(gdev)
add_compile_options(-std=c++11) add_compile_options(-std=c++11)
add_definitions(-DOEM_HUAGAO) add_definitions(-DOEM_HUAGAO)
add_definitions(-DUOS) add_definitions(-DUOS)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC -O2")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC -O2")
aux_source_directory(${PROJECT_SOURCE_DIR} DIR_SRCS) aux_source_directory(${PROJECT_SOURCE_DIR} DIR_SRCS)
file(GLOB DIR_HEADS "${PROJECT_SOURCE_DIR}/*.h" "${PROJECT_SOURCE_DIR}/*.hpp") file(GLOB DIR_HEADS "${PROJECT_SOURCE_DIR}/*.h" "${PROJECT_SOURCE_DIR}/*.hpp")
set(DIR_SRCS ${DIR_SRCS} ${DIR_HEADS}) set(DIR_SRCS ${DIR_SRCS} ${DIR_HEADS})

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@ -409,7 +409,7 @@ HANDLE_NAME tiny_file_map::open_file_for_mapping(const char* file, unsigned* byt
#else #else
if (create) if (create)
{ {
ret = ::open(file, O_CREAT | O_RDWR); ret = ::open(file, O_CREAT | O_RDWR,0777);
if (ret != INVALID_HANDLE_NAME) if (ret != INVALID_HANDLE_NAME)
{ {
if (lseek(ret, *bytes - 1, SEEK_SET) < 0) if (lseek(ret, *bytes - 1, SEEK_SET) < 0)

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@ -10,8 +10,8 @@ add_definitions(-DOEM_HUAGAO)
add_definitions(-Duos) add_definitions(-Duos)
add_compile_options(-std=c++11) add_compile_options(-std=c++11)
#set(CMAKE_CXX_FLAGS "-std=c++0x ${CMAKE_CXX_FLAGS} -g -ftest-coverage -fprofile-arcs") #set(CMAKE_CXX_FLAGS "-std=c++0x ${CMAKE_CXX_FLAGS} -g -ftest-coverage -fprofile-arcs")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC -O2")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC -O2")
aux_source_directory(${PROJECT_SOURCE_DIR} DIR_SRCS) aux_source_directory(${PROJECT_SOURCE_DIR} DIR_SRCS)
file(GLOB DIR_HEADS "${PROJECT_SOURCE_DIR}/*.h" "${PROJECT_SOURCE_DIR}/*.hpp") file(GLOB DIR_HEADS "${PROJECT_SOURCE_DIR}/*.h" "${PROJECT_SOURCE_DIR}/*.hpp")
set(DIR_SRCS ${DIR_SRCS} ${DIR_HEADS}) set(DIR_SRCS ${DIR_SRCS} ${DIR_HEADS})

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@ -8,8 +8,8 @@ add_definitions(-DPRINT_DEBUG_INFO)
add_definitions(-DBACKEND_NAME=hgsane) add_definitions(-DBACKEND_NAME=hgsane)
add_definitions(-DEXPORT_SANE_API) add_definitions(-DEXPORT_SANE_API)
add_compile_options(-std=c++11) add_compile_options(-std=c++11)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC -O2")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC -O2")
aux_source_directory(${PROJECT_SOURCE_DIR} DIR_SRCS) aux_source_directory(${PROJECT_SOURCE_DIR} DIR_SRCS)
file(GLOB DIR_HEADS "${PROJECT_SOURCE_DIR}/*.h" "${PROJECT_SOURCE_DIR}/*.hpp") file(GLOB DIR_HEADS "${PROJECT_SOURCE_DIR}/*.h" "${PROJECT_SOURCE_DIR}/*.hpp")
set(DIR_SRCS ${DIR_SRCS} ${DIR_HEADS}) set(DIR_SRCS ${DIR_SRCS} ${DIR_HEADS})