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Date:      Tue, 08 May 2001 19:44:28 -0400
From:      Donn Miller <dmmiller@cvzoom.net>
To:        Erik Trulsson <ertr1013@student.uu.se>
Cc:        freebsd-stable@FreeBSD.ORG
Subject:   Re: CFLAGS Optimization
Message-ID:  <3AF884DC.41644622@cvzoom.net>
References:  <200105082305.QAA04771@freeway.dcfinc.com> <KPECIILENDDLPCNIMLOFAEONCDAA.juha@saarinen.org> <20010509013515.A2725@student.uu.se>

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Erik Trulsson wrote:

> I have had both userland and kernel compiled using -O2 without noticing
> any problems. On the other hand I didn't notice much of a performance
> gain either so I decided that the extra compile time wasn't worth it.

Translation:  don't even think about using optimization levels beyond -O
for mission-critical apps like userland and kernel without realizing the
consequences.  Save that for your projects that really need it, like
scientific and multimedia stuff and your own "local" projects.

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