Making AVX and AVX512 configurable is useful for performance and power testing.
The similar kernel patch at https://patchwork.kernel.org/patch/9618883/. Signed-off-by: Zhihong Wang <zhihong.w...@intel.com> --- config/common_base | 6 ++++++ mk/rte.cpuflags.mk | 6 ++++++ 2 files changed, 12 insertions(+) diff --git a/config/common_base b/config/common_base index 0b4297c..9ca94a8 100644 --- a/config/common_base +++ b/config/common_base @@ -103,6 +103,12 @@ CONFIG_RTE_EAL_IGB_UIO=n CONFIG_RTE_EAL_VFIO=n CONFIG_RTE_MALLOC_DEBUG=n +# +# Recognize/ignore the AVX/AVX512 CPU flags for performance/power testing +# +CONFIG_RTE_ENABLE_AVX=y +CONFIG_RTE_ENABLE_AVX512=n + # Default driver path (or "" to disable) CONFIG_RTE_EAL_PMD_PATH="" diff --git a/mk/rte.cpuflags.mk b/mk/rte.cpuflags.mk index e634abc..4288c14 100644 --- a/mk/rte.cpuflags.mk +++ b/mk/rte.cpuflags.mk @@ -70,8 +70,10 @@ CPUFLAGS += PCLMULQDQ endif ifneq ($(filter $(AUTO_CPUFLAGS),__AVX__),) +ifeq ($(CONFIG_RTE_ENABLE_AVX),y) CPUFLAGS += AVX endif +endif ifneq ($(filter $(AUTO_CPUFLAGS),__RDRND__),) CPUFLAGS += RDRAND @@ -86,12 +88,16 @@ CPUFLAGS += F16C endif ifneq ($(filter $(AUTO_CPUFLAGS),__AVX2__),) +ifeq ($(CONFIG_RTE_ENABLE_AVX),y) CPUFLAGS += AVX2 endif +endif ifneq ($(filter $(AUTO_CPUFLAGS),__AVX512F__),) +ifeq ($(CONFIG_RTE_ENABLE_AVX512),y) CPUFLAGS += AVX512F endif +endif # IBM Power CPU flags ifneq ($(filter $(AUTO_CPUFLAGS),__PPC64__),) -- 2.7.4
