[dpdk-dev] [PATCH v2 ] ixgbe: speed up transmit
Stephen Hemminger
shemming at brocade.com
Fri Dec 11 17:48:19 CET 2015
On Fri, 13 Nov 2015 08:10:13 -0800
Stephen Hemminger <stephen at networkplumber.org> wrote:
> From: Stephen Hemminger <shemming at brocade.com>
>
> The freeing of mbuf's in ixgbe is one of the observable hot spots
> under load. Optimize it by doing bulk free of mbufs using code similar
> to i40e and fm10k.
>
> Drop the no longer needed micro-optimization for the no refcount flag.
>
> Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>
How come this patch got no review or comments?
It gets a visible performance gain of up to 10% in some cases.
I understand maintainers are busy with internal work, but they need
to read mailing list as well.
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