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From: Markus Schaber <schabi@logix-tt.com>
To: pgsql-performance@postgresql.org
To: pgsql-hackers@postgresql.org
Subject: Re: qsort again (was Re: [PERFORM] Strange Create Index
Date: Thu, 16 Feb 2006 14:44:45 +0100
Message-ID: <43F481CD.2010509@logix-tt.com> (raw)
In-Reply-To: <7.0.1.0.2.20060216071053.0385a1a8@earthlink.net>
References: <43F38867.6010701@gpdnet.co.uk>
	<19510.1140036968@sss.pgh.pa.us>
	<19779.1140038874@sss.pgh.pa.us>
	<43F39E53.1020009@gpdnet.co.uk>
	<20781.1140046109@sss.pgh.pa.us>
	<7.0.1.0.2.20060215194635.03b55da0@earthlink.net>
	<21615.1140052893@sss.pgh.pa.us>
	<7.0.1.0.2.20060215223710.03a7c618@earthlink.net>
	<20060216113522.GA3461@uio.no>
	<7.0.1.0.2.20060216071053.0385a1a8@earthlink.net>

Hi, Ron,

Ron wrote:

> ...and of course if you know enough about the data to be sorted so as to
> constrain it appropriately, one should use a non comparison based O(N)
> sorting algorithm rather than any of the general comparison based
> O(NlgN) methods.

Sounds interesting, could you give us some pointers (names, URLs,
papers) to such algorithms?

Thanks a lot,
Markus



-- 
Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf.     | Software Development GIS

Fight against software patents in EU! www.ffii.org www.nosoftwarepatents.org

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