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Re: HPACK benchmark test for substitution indexing vs incremental indexing only

From: Leif Hedstrom <leif@ogre.com>
Date: Fri, 27 Sep 2013 14:08:50 -0600
Cc: Mike Bishop <Michael.Bishop@microsoft.com>, Gábor Molnár <gabor.molnar@sch.bme.hu>, Roberto Peon <grmocg@gmail.com>, Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com>, "ietf-http-wg@w3.org" <ietf-http-wg@w3.org>
Message-Id: <0C5DA4AF-E33C-4062-BA6E-65BFEC2EC92A@ogre.com>
To: RUELLAN Herve <Herve.Ruellan@crf.canon.fr>

On Sep 27, 2013, at 10:34 AM, RUELLAN Herve <Herve.Ruellan@crf.canon.fr> wrote:

> I've ran some tests on the "mnot" test set and I've been able to see some effect from using substitution:
> - Substituting compressor:   29.5%
> - Append-only compressor: 30.3%
> It's true that the effect of substitution is limited on average. However, it allows building an intelligent encoder that can take advantage of knowledge about the headers.

That seems very underwhelming. Are there any other (public) test sets / results that shows that this "intelligence" is worth the complexity?

I much prefer keeping things simple too, I have concerns that the complexity of the compressor will be a deterrent for adoptation.


-- Leif
Received on Friday, 27 September 2013 20:09:29 UTC

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