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- Newsgroups: comp.lang.smalltalk,comp.object,comp.lang.c++,comp.lang.java
- Path: alexandria.organon.com!alexandria!jsa
- From: jsa@organon.com (Jon S Anthony)
- Subject: Re: The Good, the Bad, the Ugly, and the Wicked ...
- In-Reply-To: rmartin@oma.com's message of 10 Apr 1996 18:33:35 GMT
- Message-ID: <JSA.96Apr11153135@organon.com>
- Followup-To: comp.lang.smalltalk,comp.object,comp.lang.c++,comp.lang.java
- Sender: news@organon.com (news)
- Organization: Organon Motives, Inc.
- References: <31570B8E.5A12@vmark.com> <4je5rq$7qg@mimas.brunel.ac.uk>
- <4jes0t$gth@decaxp.HARVARD.EDU> <31630E30.5A02@oma.com>
- <4kbq3q$1i8@gaia.ns.utk.edu> <JSA.96Apr9131057@organon.com>
- <RMARTIN.96Apr10133335@rcm.oma.com>
- Date: Thu, 11 Apr 1996 19:31:35 GMT
-
- In article <RMARTIN.96Apr10133335@rcm.oma.com> rmartin@oma.com (Robert C. Martin) writes:
-
- > Robert C. Martin (rmartin@oma.com) wrote:
- >
- > > : Malloc and new can *always* be made to be deterministic. That is
- > > : one of the major attractions to manual memory management in
- > > : real time systems. You can use malloc/free (new/delete) pairs which are
- > > : 100% predictable.
- > >
- >
- > mbk@caffeine.engr.utk.edu (Matt Kennel) writes:
- > > Are they? Have you gone through the all the possible orderings of
- > > previous 'new' and 'malloc' so that you ***KNOW*** exactly
- > > what the internal heap structures are so that subsequent calls to
- > > 'malloc' and 'new' and 'free' take a known amount of time?
- >
- > jsa@organon.com (Jon S Anthony) writes:
- >
- > Actually, it is even worse than you are suggesting as Malloc/new and
- > free are not necessarily very predictable and can exhibit "bad" behavior
- > depending on their use.
- >
- > You missed my point. new/delete can *always be made* to be completely
- > deterministic. Consider:
- >
- > [example...]
-
- 1. Yes, we (Matt and I) both missed your point (assuming it was the
- one you are now claiming) - probably because this is not what you
- said.
-
- 2. You seem to miss the fact that in my message I state the very point
- you are now making.
-
-
- /Jon
- --
- Jon Anthony
- Organon Motives, Inc.
- 1 Williston Road, Suite 4
- Belmont, MA 02178
-
- 617.484.3383
- jsa@organon.com
-
-