Re: qsort again (was Re: [PERFORM] Strange Create Index

Jonah H. Harris <jonah.harris@gmail.com>

From: "Jonah H. Harris" <jonah.harris@gmail.com>
To: Markus Schaber <schabi@logix-tt.com>
Cc: pgsql-performance@postgresql.org, pgsql-hackers@postgresql.org
Date: 2006-02-16T14:19:44Z
Lists: pgsql-hackers, pgsql-performance
Last night I implemented a non-recursive introsort in C... let me test it a
bit more and then I'll post it here for everyone else to try out.

On 2/16/06, Markus Schaber <schabi@logix-tt.com> wrote:
>
> 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
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--
Jonah H. Harris, Database Internals Architect
EnterpriseDB Corporation
732.331.1324