| From: | Curt Sampson <cjs(at)cynic(dot)net> |
|---|---|
| To: | Sean Chittenden <sean(at)chittenden(dot)org> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Optimization levels when compiling PostgreSQL... |
| Date: | 2002-09-10 02:56:22 |
| Message-ID: | Pine.NEB.4.44.0209101155010.13186-100000@angelic.cynic.net |
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| Lists: | pgsql-hackers |
On Mon, 9 Sep 2002, Sean Chittenden wrote:
> I'm thinking about changing this from a beta port to a -devel port
> that I'll periodically update with snapshots. I'll turn on -O6 for
> the -devel port and -O2 for production for now. If I don't hear of
> any random bogons in the code I'll see if I can't increase it further
> to -O3 and beyond at a slow/incremental rate.
Keep in mind that, while gcc is pretty stable for i386, the higher
optimization levels (above -O2) do tend to have bogons on other
processors, that vary with which version of gcc you're running.
cjs
--
Curt Sampson <cjs(at)cynic(dot)net> +81 90 7737 2974 http://www.netbsd.org
Don't you know, in this new Dark Age, we're all light. --XTC
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