Date: Sun, 25 Aug 2013 07:42:42 -0700 From: Adrian Chadd <adrian@freebsd.org> To: Andre Oppermann <andre@freebsd.org> Cc: FreeBSD Net <freebsd-net@freebsd.org>, "Alexander V. Chernikov" <melifaro@ipfw.ru> Subject: Re: route/arp lifetime (Re: it's the output, not ack coalescing (Re: TSO and FreeBSD vs Linux)) Message-ID: <CAJ-VmokMsSWTaKHc1EYdnZ151eH3410d-VdVduuSfn1%2B_zb2%2Bw@mail.gmail.com> In-Reply-To: <5218E8B6.5090407@freebsd.org> References: <520A6D07.5080106@freebsd.org> <520B74DD.1060102@ipfw.ru> <20130814124024.GA64548@onelab2.iet.unipi.it> <201308141740.28779.zec@fer.hr> <20130814154853.GA66341@onelab2.iet.unipi.it> <521204A9.7080607@ipfw.ru> <52152837.9010101@freebsd.org> <5218ABB4.5070601@ipfw.ru> <CAJ-Vmon9qhnn_xJkiKZnLWEi-YAvg=FuL8FoSdToWXgy-VJ59Q@mail.gmail.com> <5218E8B6.5090407@freebsd.org>
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On 24 August 2013 10:09, Andre Oppermann <andre@freebsd.org> wrote: > On 24.08.2013 19:04, Adrian Chadd wrote: > >> I'm very close to starting an mbuf batching thing to use in a few places >> like receive, transmit and >> transmit completion -> free path. I'd be interested in your >> review/feedback and testing as it sounds >> like something you can easily stress test there. :) >> > > I'd strongly recommend fixing a number of other places and collect > lower hanging fruit before starting with mbuf batching. I'm open to suggestions. Scott killed our high hanging fruit (VM / buffer page lifecycle) and what's left is not very low. If you have any recommendations, I'd love to hear them. -adrian
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