Re: Which qsort is used

From: Qingqing Zhou <zhouqq(at)cs(dot)toronto(dot)edu>
To: Luke Lonergan <llonergan(at)greenplum(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Neil Conway <neilc(at)samurai(dot)com>, Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Which qsort is used
Date: 2005-12-13 18:28:46
Message-ID: Pine.LNX.4.58.0512131326050.27185@josh.db
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On Mon, 12 Dec 2005, Luke Lonergan wrote:
>
> Might you have time to implement these within the testing framework I
> published previously? It has both the NetBSD and qsortG included along with
> a timing routine, etc.
>

Here we go:

http://www.cs.toronto.edu/~zhouqq/postgresql/sort/sort.html

The source tar ball and linux 2.4G gcc 2.96 test results is on the page.
There is a clear loser glibc, not sure qsortB or qsortG which is better.

Regards,
Qingqing

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