> -----Original Message----- > From: Stephen Hemminger [mailto:shemming at brocade.com] > Sent: Friday, December 11, 2015 4:48 PM > To: dev at dpdk.org; Zhang, Helin; Ananyev, Konstantin > Subject: Re: [PATCH v2 ] ixgbe: speed up transmit > > 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.
Yep, I missed it somehow. BTW, by some reason I couldn't find it patchwork.... Was it submitted too late for 2.2 timeframe? Anyway, about the patch itself: it looks good to me and indeed it provides 10%+ performance improvement. So here is my ACK for it. Konstantin
