Re: [HACKERS] 3D Z-curve spatial index - Mailing list pgsql-hackers

From David Fetter
Subject Re: [HACKERS] 3D Z-curve spatial index
Date
Msg-id 20170205220805.GA27908@fetter.org
Whole thread Raw
In response to [HACKERS] 3D Z-curve spatial index  (Boris Muratshin <bmuratshin@gmail.com>)
Responses Re: [HACKERS] 3D Z-curve spatial index  (Boris Muratshin <bmuratshin@gmail.com>)
List pgsql-hackers
On Sat, Feb 04, 2017 at 03:41:29PM +0700, Boris Muratshin wrote:
> Hi hackers,
> 
> The low-level implementation of 3D Z-curve index
> (https://github.com/bmuratshin/zcurve/tree/master)
> is getting close to GiST R-Tree performance at
> significantly lesser number of pages read from disk.
> 
> See attached figures,
> times2 - average request execution time VS average points number in result
> reads2 - average shared reads number VS average points number in result
> 
> Feel free to connect with me if you have any questions.

Please send the actual patch and any documentation you write that
comes with it.

Best,
David.
-- 
David Fetter <david(at)fetter(dot)org> http://fetter.org/
Phone: +1 415 235 3778  AIM: dfetter666  Yahoo!: dfetter
Skype: davidfetter      XMPP: david(dot)fetter(at)gmail(dot)com

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