> -Original Message-
> From: Yigit, Ferruh
> Sent: Tuesday, September 18, 2018 9:01 PM
> To: Li, Xiaoyun ; Xing, Beilei ;
> Zhang, Qi Z
> Cc: dev@dpdk.org; Yang, Zhiyong ;
> tho...@monjalon.net; Richardson, Bruce
> Subject: Re: [PATCH v7] net/i40e: add interface to use latest vec path
>
On 9/18/2018 3:22 AM, Xiaoyun Li wrote:
> For IA, the AVX2 vector path is only recommended to be used on later
> platforms (identified by AVX512 support, like SKL etc.) This is because
> performance benchmark shows downgrade when running AVX2 vector path on
> early platform (BDW/HSW) in some cases.
For IA, the AVX2 vector path is only recommended to be used on later
platforms (identified by AVX512 support, like SKL etc.) This is because
performance benchmark shows downgrade when running AVX2 vector path on
early platform (BDW/HSW) in some cases. But we still observe perf gain
with some real w
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