option(VPP_BUILD_NATIVE_ONLY "Build only for native CPU." OFF)
-if(VPP_BUILD_NATIVE_ONLY)
- check_c_compiler_flag("-march=native" compiler_flag_march_native)
- if(NOT compiler_flag_march_native)
- message(FATAL_ERROR "Native-only build not supported by compiler")
- endif()
-endif()
-
macro(add_vpp_march_variant v)
cmake_parse_arguments(ARG
"OFF"
endmacro()
if(VPP_BUILD_NATIVE_ONLY)
- set(VPP_DEFAULT_MARCH_FLAGS -march=native)
+ set(VPP_BUILD_NATIVE_ARCH "native" CACHE STRING "native CPU -march= value.")
+ set(VPP_DEFAULT_MARCH_FLAGS -march=${VPP_BUILD_NATIVE_ARCH})
+ if(VPP_BUILD_NATIVE_ONLY)
+ check_c_compiler_flag(${VPP_DEFAULT_MARCH_FLAGS} compiler_flag_march)
+ if(NOT compiler_flag_march)
+ message(FATAL_ERROR "Native-only build with ${VPP_DEFAULT_MARCH_FLAGS} is not supported by compiler")
+ endif()
+ endif()
set(MARCH_VARIANTS_NAMES "native-only")
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64.*|x86_64.*|AMD64.*")
set(VPP_DEFAULT_MARCH_FLAGS -march=corei7 -mtune=corei7-avx)
OFF
)
+ add_vpp_march_variant(adl
+ FLAGS -march=alderlake -mtune=alderlake -mprefer-vector-width=256
+ OFF
+ )
+
+ add_vpp_march_variant(scalar
+ FLAGS -march=core2 -mno-mmx -mno-sse
+ OFF
+ )
+
+ add_vpp_march_variant(znver3
+ FLAGS -march=znver3 -mtune=znver3 -mprefer-vector-width=256
+ OFF
+ )
+
if (GNU_ASSEMBLER_AVX512_BUG)
message(WARNING "AVX-512 multiarch variant(s) disabled due to GNU Assembler bug")
else()
add_vpp_march_variant(icl
FLAGS -march=icelake-client -mtune=icelake-client -mprefer-vector-width=512
)
+
+ add_vpp_march_variant(spr
+ FLAGS -march=sapphirerapids -mtune=sapphirerapids -mprefer-vector-width=512
+ OFF
+ )
+
+ add_vpp_march_variant(znver4
+ FLAGS -march=znver4 -mtune=znver4 -mprefer-vector-width=512
+ OFF
+ )
endif()
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64.*|AARCH64.*)")
set(VPP_DEFAULT_MARCH_FLAGS -march=armv8-a+crc)
N_PREFETCHES 6
CACHE_PREFETCH_BYTES 64
)
+ add_vpp_march_variant(neoversen2
+ FLAGS -march=armv9-a+crypto -mtune=neoverse-n2
+ N_PREFETCHES 6
+ CACHE_PREFETCH_BYTES 64
+ OFF
+ )
endif()
macro(vpp_library_set_multiarch_sources lib)