From: Dave Taht <dave.taht@gmail.com>
To: Jonathan Morton <chromatix99@gmail.com>
Cc: cerowrt-devel@lists.bufferbloat.net, bloat <bloat@lists.bufferbloat.net>
Subject: Re: [Cerowrt-devel] [Bloat] Comcast upped service levels -> WNDR3800 can't cope...
Date: Sat, 30 Aug 2014 15:30:28 -0700 [thread overview]
Message-ID: <CAA93jw4-3cPpDUKvHBp0q_waLq6QAreRUCzu1mYBQ7Xg0rPYGA@mail.gmail.com> (raw)
In-Reply-To: <4DA71387-6720-4A2F-B462-2E1295604C21@gmail.com>
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Could I get you to also try HFSC?
On Aug 30, 2014 1:48 PM, "Jonathan Morton" <chromatix99@gmail.com> wrote:
>
> On 30 Aug, 2014, at 8:33 pm, Jonathan Morton wrote:
>
> > I'll need to investigate more closely to see whether there's a CPU load
> difference between HTB and TBF in practice.
>
> Replying to myself, but...
>
> The surprising result is that TBF seems to consume about TWICE the CPU
> time, at the same bandwidth, as HTB does. Even FQ in flow-rate-limit mode
> is roughly on par with HTB on that score. There is clearly something very
> wrong with how TBF is doing it.
>
> HTB (running with only a default class) and FQ are both able to send and
> regulate 200Mbps using about an eighth of a 1.5GHz PowerPC, all told. It
> doesn't even seem to matter which qdisc I slap on top of HTB. TBF needs
> almost a quarter of the same CPU to do the same thing.
>
> - Jonathan Morton
>
>
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next prev parent reply other threads:[~2014-08-30 22:30 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-29 16:57 [Cerowrt-devel] " Aaron Wood
2014-08-29 17:03 ` [Cerowrt-devel] [Bloat] " Rick Jones
2014-08-29 17:15 ` Jonathan Morton
2014-08-29 17:19 ` Jonathan Morton
2014-08-29 17:25 ` Sebastian Moeller
2014-08-29 18:06 ` Dave Taht
2014-08-30 11:02 ` Jonathan Morton
2014-08-30 13:03 ` Toke Høiland-Jørgensen
2014-08-30 17:33 ` Jonathan Morton
2014-08-30 20:47 ` Jonathan Morton
2014-08-30 22:30 ` Dave Taht [this message]
2014-08-31 10:18 ` Jonathan Morton
2014-08-31 10:21 ` Toke Høiland-Jørgensen
2014-09-01 17:01 ` Dave Taht
2014-09-01 18:06 ` Jonathan Morton
2014-09-01 18:32 ` Dave Taht
2014-09-01 20:25 ` Aaron Wood
2014-09-01 21:43 ` Jonathan Morton
2014-09-01 22:14 ` Aaron Wood
2014-09-02 9:09 ` David Lang
2014-09-02 9:27 ` Jonathan Morton
2014-09-02 10:05 ` Joel Wirāmu Pauling
2014-09-02 10:05 ` Joel Wirāmu Pauling
2014-09-03 6:15 ` Aaron Wood
2014-09-03 6:36 ` David Lang
2014-09-03 11:08 ` Jonathan Morton
2014-09-03 15:12 ` Aaron Wood
2014-09-03 19:22 ` Sebastian Moeller
2014-09-03 19:30 ` Dave Taht
2014-09-03 23:17 ` Bill Ver Steeg (versteb)
2014-09-04 0:33 ` Dave Taht
2014-09-04 3:36 ` Jonathan Morton
2014-09-04 14:05 ` Bill Ver Steeg (versteb)
2014-09-04 15:10 ` Michael Richardson
2014-09-04 7:04 ` Sebastian Moeller
2014-09-04 11:15 ` Jonathan Morton
2014-09-04 11:23 ` Sebastian Moeller
2014-09-02 8:55 ` Sebastian Moeller
2014-09-02 13:40 ` Jonathan Morton
2014-09-02 13:49 ` Sujith Manoharan
2014-09-02 15:37 ` Dave Taht
2014-09-02 15:47 ` Jonathan Morton
2014-09-02 15:57 ` Sujith Manoharan
2014-09-02 17:36 ` Jonathan Morton
2014-09-02 17:41 ` Dave Taht
2014-09-02 18:28 ` Jonathan Morton
2014-09-03 11:04 ` Jonathan Morton
2014-08-30 21:53 ` Stephen Hemminger
2014-08-30 11:14 ` Jonathan Morton
2014-08-30 17:19 ` Aaron Wood
2014-08-30 18:01 ` Jonathan Morton
2014-08-30 18:21 ` Sebastian Moeller
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