Confirmed.  Looks like a 100-fold increase. Thanx guys.
Explain output can be seen here:
http://arch.wavefire.com/pgregex.txt
  -Wade Klaver

At 09:59 AM 2/5/03 -0500, Tom Lane wrote:
>Tatsuo Ishii <t-ishii@sra.co.jp> writes:
>> Ok. The original complain can be sasily solved at least for single
>> byte encoding databases. With the small patches(against 7.3.1)
>> included, I got following result.
>
>Nice work, Tatsuo!  Wade, can you confirm that this patch solves your
>problem?
>
>Tatsuo, please commit into REL7_3 branch only --- I'm nearly ready to do
>a wholesale replacement of the regex code in HEAD, so you wouldn't
>accomplish much except to create a merge problem for me ...
>
>			regards, tom lane
>
>

Wed, 05 Feb 2003 08:50:01 -0800
wade <wade@wavefire.com>
Re: POSIX regex performance bug in 7.3 Vs. 7.2 