From: | Heikki Linnakangas <heikki(at)enterprisedb(dot)com> |
---|---|
To: | Greg Smith <gsmith(at)gregsmith(dot)com> |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: install-strip causes dyld errors on OS X |
Date: | 2007-10-30 17:08:28 |
Message-ID: | 4727650C.5020408@enterprisedb.com |
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Lists: | pgsql-hackers pgsql-patches |
Greg Smith wrote:
> On Tue, 30 Oct 2007, Alvaro Herrera wrote:
>
>> It would also be good to make --enable-debug the default.
>
> The last time I did a build with both --enable-debug and
> --enable-cassert, I was seeing pgbench results that were significantly
> (around 40% I think) slower than without those two. I never circled
> back to assigning blame to the individual options, but I'd suggest some
> caution here before turning one of these on by default. I'd want to see
> benchmarking on a couple of platforms to prove that it doesn't slow
> things down before making such a change.
--enable-cassert is the culprit. You don't want to enable that if you're
doing performance testing. I haven't seen a slowdown from
--enable-debug, though I haven't specifically tested that.
--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com
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