Re: list rewrite committed

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Greg Stark <gsstark(at)mit(dot)edu>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: list rewrite committed
Date: 2004-05-28 16:44:35
Message-ID: 27890.1085762675@sss.pgh.pa.us
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Greg Stark <gsstark(at)mit(dot)edu> writes:
> Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> writes:
>> For instance, here
>> http://archives.postgresql.org/pgsql-hackers/2004-03/msg00696.php are some
>> profiles documenting a case where nearly 40% of the runtime goes into
>> lappend's in 7.4. I haven't had time to repeat the test case but I'd think
>> that time is near-zero in CVS tip.

> Of course now ExecEvalExpr's share of runtime in that test is probably up to
> 28-35% in those tests. Or did you get to doing the things you proposed with
> making it a macro?

I did. I'd like to re-run that test, but have no time for it right now
--- too much to do before feature freeze.

regards, tom lane

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