linux-kernel - RE: [PATCH net-next] r8152: divide the tx and rx bottom functions

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Date:   Fri, 16 Aug 2019 02:59:16 +0000
From:   Hayes Wang <hayeswang@...ltek.com>
To:     David Miller <davem@...emloft.net>
CC:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        nic_swsd <nic_swsd@...ltek.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH net-next] r8152: divide the tx and rx bottom functions

David Miller [mailto:davem@...emloft.net]
> Sent: Friday, August 16, 2019 4:59 AM
[...]
> Theoretically, yes.
> 
> But do you have actual performance numbers showing this to be worth
> the change?
> 
> Always provide performance numbers with changes that are supposed to
> improve performance.

On x86, they are almost the same.
Tx/Rx: 943/943 Mbits/sec -> 945/944

For arm platform,
Tx/Rx: 917/917 Mbits/sec -> 933/933
Improve about 1.74%.

Best Regards,
Hayes