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Date:      Thu, 11 Apr 2002 17:04:23 +0300
From:      Peter Pentchev <roam@ringlet.net>
To:        Michael Lucas <mwlucas@blackhelicopters.org>
Cc:        Storms of Perfection <ancient@outloud.org>, freebsd-hackers@FreeBSD.ORG
Subject:   Re: FreeBSD Advanced tuning advice
Message-ID:  <20020411170423.C43974@straylight.oblivion.bg>
In-Reply-To: <20020411081811.A93093@blackhelicopters.org>; from mwlucas@blackhelicopters.org on Thu, Apr 11, 2002 at 08:18:11AM -0400
References:  <5.1.0.14.2.20020410203541.00b27850@208.141.46.3> <20020411081811.A93093@blackhelicopters.org>

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On Thu, Apr 11, 2002 at 08:18:11AM -0400, Michael Lucas wrote:
> On Wed, Apr 10, 2002 at 08:38:28PM -0400, Storms of Perfection wrote:
> > I am looking for some more in-dept tuning related articles that go beyo=
nd=20
> > the scope of the tuning(5) document that is currently on FreeBSD.
> >=20
> > I am looking for some extra resources that deal with the following:
> > Compiler Flags
> > VM Subsystem Tuning
> > Network Tuning
> > And anything else that might be of relevance.
> > Sysctl Tuning (I think that might cover just about all the above, cept=
=20
> > Compiler flags)
> >=20
> > Any help/tips/flames will be helpful (except for the flaming, of course)
>
> Hello,
>=20
> This sort of tuning you're discussing really depends on your
> particular system.  What are you running, what's your system doing,
> and are you seeing any problems?
>=20
> For the most part, the sysctl interface lets you tune everything.  And
> compiler flags above -O2 are not supported on FreeBSD, so don't go there.=
 :)

Erm.. gcc has quite a lot more flags than the -On optimizations :)
There are things like -march, -mcpu, -fomit-frame-pointer, -funroll-loops
and others.. unfortunately, I am not the best person to ask about those :)

G'luck,
Peter

--=20
Peter Pentchev	roam@ringlet.net	roam@FreeBSD.org
PGP key:	http://people.FreeBSD.org/~roam/roam.key.asc
Key fingerprint	FDBA FD79 C26F 3C51 C95E  DF9E ED18 B68D 1619 4553
I am jealous of the first word in this sentence.

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