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Date:      Fri, 7 Aug 1998 01:57:37 +0000 (GMT)
From:      Terry Lambert <tlambert@primenet.com>
To:        jdp@polstra.com (John Polstra)
Cc:        tlambert@primenet.com, current@FreeBSD.ORG
Subject:   Re: Heads up on LFS
Message-ID:  <199808070157.SAA26484@usr06.primenet.com>
In-Reply-To: <199808061603.JAA26197@austin.polstra.com> from "John Polstra" at Aug 6, 98 09:03:07 am

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> > JAVA has a nasty tendency to leak like a sieve until the GC hits a
> > steady state.  As does Modula 3.
>                  ^^^^^^^^^^^^^^^^
> 
> I don't know what you base that statement on.  I have a lot of
> experience writing and using Modula-3 programs, and I've never
> observed the behavior you describe.

Q1:	Is there more than 0 bytes difference between memory
	allocated and in use?

Q2:	If so, how large can this number be under the worst
	possible conditions?

Q3:	Is this more memory than is typically found in a
	typical embedded ssytem, such as the one found in a
	Microwave oven?

Q4:	What is the typical target platform for an RT OS, and what
	is one of the major target platforms for JAVA?

Q5:	How provable is a system that depends on garbage collection?

My opinion is that RT OS's and portable devices need to run in
(compared to most VAX programs) tiny memory footprints for them
to be useful.  The launch costs alone on the extra memory on its
way to Mars are very, very large.

Feel free to disagree with me (I'm sure you already do... 8-)).



					Terry Lambert
					terry@lambert.org
---
Any opinions in this posting are my own and not those of my present
or previous employers.

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