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Re: [Maposmatic-dev] Re: [cairo] Cairo & libpng/zlib parameters

From: Chris Wilson
Subject: Re: [Maposmatic-dev] Re: [cairo] Cairo & libpng/zlib parameters
Date: Tue, 19 Jan 2010 10:13:04 +0000

On Mon, 18 Jan 2010 17:47:53 +0100, David Decotigny <address@hidden> wrote:
> Indeed, these overall rendering times also include the time it takes to 
> perform our own queries /before/ mapnik does its job. And these queries 
> can be very loooong, much longer than the time it takes for mapnik/cairo 
> to do the actual rendering. All in all, I do believe that cairo is not 
> the bottleneck for us. And if mapnik were still considered too slow, I'd 
> say it's more because of the sql queries on a loaded postgis DB than 
> because of cairo, but for this I'm not totally sure, not at all.

If anyone ever does find a case where Cairo is a bottleneck, please don't
hesitate in letting me and the cairo mailing list (or #cairo) know. In the
meantime, I'll continue following the suggestions given above for
identifying some interesting test cases to add to Cairo.


Chris Wilson, Intel Open Source Technology Centre

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