A question occurred to me today. How much difference does 'gcc -O<x>' make in the speed of my system?

I notice some ports that claim to not work properly if compiled with -O<x> (the one that comes to mind right away is XFree86 4.x, but I've seen others) and I am thinking of just turning OFF -O<x> option in my /etc/make.conf. I'm just wondering how much of an impact this will have on system performance.

FYI, my box is a Via C3 @ 800MHz with 128 MB RAM, and it basically lives its life as an e-mail and Web server and gateway for my home network. (in other words it doesn't do any computing intensive stuff like sequencing DNA or searching for aliens. :) )

TIA for your advice/opinions.
Donald
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Donald Burr of Borg <[EMAIL PROTECTED]> | FreeBSD: The Power to Serve!
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