netdev - Re: [PATCH net] vmxnet3: use gro callback when UPT is enabled

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Message-ID: <20230316133405.0ffbea6a@kernel.org>
Date:   Thu, 16 Mar 2023 13:34:05 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Ronak Doshi <doshir@...are.com>
Cc:     Yunsheng Lin <linyunsheng@...wei.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>,
        Pv-drivers <Pv-drivers@...are.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Guolin Yang <gyang@...are.com>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net] vmxnet3: use gro callback when UPT is enabled

On Thu, 16 Mar 2023 05:21:42 +0000 Ronak Doshi wrote:
> Below are some sample test numbers collected by our perf team. 
>                           Test                                    socket & msg size                          base               using only gro
> 1VM    14vcpu UDP stream receive        256K 256 bytes (packets/sec)    217.01 Kps    187.98 Kps         -13.37%
> 16VM  2vcpu   TCP stream send Thpt     8K     256 bytes (Gbps)                18.00 Gbps    17.02 Gbps         -5.44%
> 1VM    14vcpu ResponseTimeMean Receive (in micro secs)                      163 us             170 us                -4.29%

A bit more than I suspected, thanks for the data.