On Thu, Apr 11, 2019 at 6:18 AM Jesper Dangaard Brouer <brouer@xxxxxxxxxx> wrote: > > On Wed, 10 Apr 2019 16:36:40 -0700 > Song Liu <liu.song.a23@xxxxxxxxx> wrote: > > > On Wed, Apr 10, 2019 at 6:00 AM Jesper Dangaard Brouer > > <brouer@xxxxxxxxxx> wrote: > > > > > > This patchset utilize a number of different kernel bulk APIs for optimizing > > > the performance for the XDP cpumap redirect feature. > > > > Could you please share some numbers about the optimization? > > I've documented ALL the details here: > https://github.com/xdp-project/xdp-project/blob/master/areas/cpumap/cpumap02-optimizations.org Thanks for the results! Please consider adding the results somewhere. > > I seem to have found that the SKB-list approach is not a performance > advantage, which is very surprising. BUT it might still be due to > invalid benchmarking, as I found that F27 behind my back is auto-loading > iptables-filter modules, which change performance. Thus, I have to > redo a lot of the tests... > > I'm considering removing the SKB-list patch from the patchset, as all > other patches show a performance increase/improvement. Then we can > merge that, and then I can focus on SKB-list approach in another > patchset. BUT as I said above, I might have wrong/invalid > measurements... I have to retest before I concluded anything... So we will wait for the new results? Thanks, Song > > -- > Best regards, > Jesper Dangaard Brouer > MSc.CS, Principal Kernel Engineer at Red Hat > LinkedIn: http://www.linkedin.com/in/brouer
