Wednesday, 12 August 2015

Re: pretty please can we kill the png optimizer?

Didier Roche [2015-08-12 12:29 +0200]:
> Le 12/08/2015 12:15, Martin Pitt a écrit :
> >Sebastien Bacher [2015-08-12 12:03 +0200]:
> >>Did anyone measure what difference with/without the png optimizer would
> >>make on the iso/standard install? Without numbers we can't really decide
> >>on the cost/benefit...
> >Back on natty it was ~ 5.5 MB (compressed size) gain with compressing
> >PNGs and 7 MB with compressing SVGs.
> >
> > https://blueprints.launchpad.net/ubuntu/+spec/performance-desktop-n-install-footprint
> >
> >There is no reason to believe that the numbers would be dramatically
> >different these days, i. e. you can expect a 10 to 15 MB gain on a
> >desktop ISO from this.
> >
> >Martin
>
> Is that only iso/image size (so recompressed in the squashfs) or the gain of
> an ubuntu install itself, on disk?

As I said, "compressed size", i. e. squashfs/deb difference. PNGs
are already compressed so don't make much difference on an install;
SVGs will get quite a bit bigger uncompressed (but I don't have any
numbers).

Martin

--
Martin Pitt | http://www.piware.de
Ubuntu Developer (www.ubuntu.com) | Debian Developer (www.debian.org)

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