[postgis-devel] chunked GeomUnion commit

[strk at refractions.net]

On Tue, Jun 28, 2005 at 01:12:46PM -0400, Bill Binko wrote:
> On Tue, 28 Jun 2005 strk at refractions.net wrote:
...
> > Briefly:
> > 	GEOS improvements have been ported from JTS
> > 	and customly made for Buffer op. Generally
> > 	speaking HEAD branch should be faster then
> > 	2.1-branch. 2.1-branch should be *faster* 
> > 	then 2.1.2, if you really see other results
> > 	we have a problem!
> > 
> 
> That's actually not 100% what I'm seeing :)  If you look at the results I
> posted, the GiST-sorted ordering gets quite a bit slower from 2.1.1 to CVS 
> HEAD.  Random sorted ordering is considerably faster.
> 
> I have not tested against the 2.1-branch, and will wait until you tell me 
> what tags to pull (or you decide to really freeze -- which I don't think 
> is necessary)
...
> I have not updated my postGIS, so I am using postgis-1.0rc6 for all of 
> these tests.  I don't mind testing a new one (please tell me if I need to 
> dump/reload), but don't really want to add another axis to measure 
> (postgis version X GEOS version X compile switches X Ordering).

Agreed, let's concrentrate on postgis-head.
geos-2.1.1 faster then geos-head is interesting, so I'd
test both.

> > When online you can talk to me on freenode irc network.
> 
> What channel?  Is there a #postgis that is fairly stable?

#postgis is there, if you join now Mark is also there

--strk;