Date: Wed, 23 May 2001 17:00:31 +0100 From: Brian Somers <brian@Awfulhak.org> To: Mike Smith <msmith@FreeBSD.ORG> Cc: Brian Somers <brian@Awfulhak.org>, freebsd-arch@FreeBSD.ORG, brian@Awfulhak.org Subject: Re: RFC: unit_list routines Message-ID: <200105231600.f4NG0VF05877@hak.lan.Awfulhak.org> In-Reply-To: Message from Mike Smith <msmith@FreeBSD.ORG> of "Wed, 23 May 2001 08:25:22 PDT." <200105231525.f4NFPMq00934@mass.dis.org>
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> > unit_list just concerns itself with allocating a bunch of int ranges.
> >
> > Do you really think it's appropriate to try to re-use the rman stuff
> > for what I want to do ?
>
> Yes. By all means, wrap the rman interface with something that makes it
> clearer what you're doing, but if you're managing a finite set of
> resources of some sort, you should avoid reinventing the wheel where
> possible.
The way I see it, I need a wheel. rman is a chassis that you can
attach a wheel to.
I'd rather have my own private wheel as I don't need the tires,
inner tubes and all the other stuff that comes with rman :)
> (It's not clear yet whether any of the items on your list actually relate
> to tangible performance penalties, about the only good reason to consider
> NIH.)
My real problems are the mutexes (unnecessary contention), the memory
overheads (all this extra zero-filled memory) and the obfuscation.
> --
> ... every activity meets with opposition, everyone who acts has his
> rivals and unfortunately opponents also. But not because people want
> to be opponents, rather because the tasks and relationships force
> people to take different points of view. [Dr. Fritz Todt]
> V I C T O R Y N O T V E N G E A N C E
--
Brian <brian@Awfulhak.org> <brian@[uk.]FreeBSD.org>
<http://www.Awfulhak.org>; <brian@[uk.]OpenBSD.org>
Don't _EVER_ lose your sense of humour !
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