> -Original Message-
> From: dev On Behalf Of Wenzhuo Lu
> Sent: Thursday, April 29, 2021 9:34 AM
> To: dev@dpdk.org
> Cc: Lu, Wenzhuo
> Subject: [dpdk-dev] [PATCH] net/iavf: fix performance drop
>
> The performance drop is caused by that the RX scalar path is selected when
> AVX512 i
> The fix by not changing Rx implementation, but making sure correct Rx path
> selected, right? Can you please clarify this in the commit log?
>
> So the performance drop fixed for whoever have the vector path supported and
> offloads enabled, can be good to highlight in the patch title, otherwise
> -Original Message-
> From: Yigit, Ferruh
> Sent: Wednesday, April 28, 2021 7:32 PM
> To: Zhang, Qi Z ; Lu, Wenzhuo
> ; dev@dpdk.org
> Subject: Re: [dpdk-dev] [PATCH] net/iavf: fix performance drop
>
> On 4/27/2021 3:57 AM, Zhang, Qi Z wrote:
> >
On 4/27/2021 3:57 AM, Zhang, Qi Z wrote:
>
>
>> -Original Message-
>> From: Lu, Wenzhuo
>> Sent: 2021年4月27日 9:51
>> To: Zhang, Qi Z ; dev@dpdk.org
>> Subject: RE: [dpdk-dev] [PATCH] net/iavf: fix performance drop
>>
>>>>
On 4/26/2021 6:29 AM, Wenzhuo Lu wrote:
> AVX2 and SSE don't have the offload path.
> Not necessary doing any check. Or the scalar path
> will be chosen.
Hi Wenzhuo,
The fix by not changing Rx implementation, but making sure correct Rx path
selected, right? Can you please clarify this in the comm
> -Original Message-
> From: dev On Behalf Of Wenzhuo Lu
> Sent: Monday, April 26, 2021 1:30 PM
> To: dev@dpdk.org
> Cc: Lu, Wenzhuo
> Subject: [dpdk-dev] [PATCH] net/iavf: fix performance drop
>
> AVX2 and SSE don't have the offload path.
> Not necessary doing any check. Or the scala
> > > > +use_sse = true;
> > > > +if ((rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2) == 1 ||
> > > > + rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F) == 1) &&
> > > > +rte_vect_get_max_simd_bitwidth() >= RTE_VECT_SIMD_256)
> > > > +use_avx2 = true;
> > >
> > >
> > > Not sure if the right path w
> -Original Message-
> From: Lu, Wenzhuo
> Sent: 2021年4月27日 9:51
> To: Zhang, Qi Z ; dev@dpdk.org
> Subject: RE: [dpdk-dev] [PATCH] net/iavf: fix performance drop
>
> > > +use_sse = true;
> > > +if ((rte_cpu_get
> > +use_sse = true;
> > +if ((rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2) == 1 ||
> > + rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F) == 1) &&
> > +rte_vect_get_max_simd_bitwidth() >= RTE_VECT_SIMD_256)
> > +use_avx2 = true;
>
>
> Not sure if the right path will be selected when avx512 is
> -Original Message-
> From: dev On Behalf Of Wenzhuo Lu
> Sent: Monday, April 26, 2021 1:30 PM
> To: dev@dpdk.org
> Cc: Lu, Wenzhuo
> Subject: [dpdk-dev] [PATCH] net/iavf: fix performance drop
>
> AVX2 and SSE don't have the offload path.
> Not necessary doing any check. Or the scala
> -Original Message-
> From: Rong, Leyi
> Sent: Thursday, November 12, 2020 1:52 PM
> To: Zhang, Qi Z ; Lu, Wenzhuo
> ; Wu, Jingjing ; Xing, Beilei
>
> Cc: dev@dpdk.org; Rong, Leyi
> Subject: [PATCH] net/iavf: fix performance drop after port reset
>
> Needs to reset rxq->rxrearm_star
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