[dpdk-dev] [PATCH] config: make AVX and AVX512 configurable

Thomas Monjalon thomas at monjalon.net
Thu Apr 27 11:08:00 CEST 2017


27/04/2017 18:34, Zhihong Wang:
> Making AVX and AVX512 configurable is useful for performance and power
> testing.
> 
> The similar kernel patch at https://patchwork.kernel.org/patch/9618883/.
[...]
> +#
> +# Recognize/ignore the AVX/AVX512 CPU flags for performance/power testing
> +#
> +CONFIG_RTE_ENABLE_AVX=y
> +CONFIG_RTE_ENABLE_AVX512=n

It is disabling AVX512 in default configuration.
Please explain this behaviour change.


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