netdev - RE: [PATCH net-next 00/10] korina cleanups/optimizations

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Message-ID: <a6d61e0175b03d0e71bee1e5139b02e9@advem.lv>
Date:   Sun, 22 Oct 2017 23:58:19 +0300
From:   Roman Yeryomin <roman@...em.lv>
To:     David Laight <David.Laight@...lab.com>
Cc:     netdev <netdev@...r.kernel.org>
Subject: RE: [PATCH net-next 00/10] korina cleanups/optimizations

On 2017-10-16 15:59, David Laight wrote:
> From: Roman Yeryomin
>> Sent: 15 October 2017 17:22
>> TX optimizations have led to ~15% performance increase (35->40Mbps)
>> in local tx usecase (tested with iperf v3.2).
> 
> Indicate which patches give the improvement.
> IIRC some just changed the source without changing what the code really 
> did.
> (Not a problem in itself.)

Yes, this was mostly a cleanup.

> ...
>>   net: korina: optimize tx/rx interrupt handlers
> 
> You'd probably get a noticeable improvement from caching the
> value of the interrupt mask - instead of reading it from the hardware.
> ...
> 

Yeah, tried that, but have some problems measuring the results (that is 
don't see any improvements with iperf3, see other email)
But thanks for comment!

Regards,
Roman