| From: | David Fetter <david(at)fetter(dot)org> |
|---|---|
| To: | Boris Muratshin <bmuratshin(at)gmail(dot)com> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: 3D Z-curve spatial index |
| Date: | 2017-02-05 22:08:05 |
| Message-ID: | 20170205220805.GA27908@fetter.org |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | 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
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