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From: dewar@merv.cs.nyu.edu (Robert Dewar)
Subject: Re: Garbage Collection in Ada
Date: 1996/10/20
Date: 1996-10-20T00:00:00+00:00	[thread overview]
Message-ID: <dewar.845840964@merv> (raw)
In-Reply-To: DzL7LK.34y@world.std.com


iRobert Duff

"There are some counter-examples.  Hans Boehm pointed out one case in
this thread -- a GC that conservatively scans the stack (or the top-most
stack frame) for each thread/task, which is an integral part of the
compiler system.  This is done for efficiency and/or for ease of
implementation -- given the fact that it is very difficult to do garbage
collection if you have lots of tasks that can be interrupted between any
two instructions.  If the GC can happen at any time, the GC doesn't know
much about the consistency of things on the stack.  Or in registers."


A counter example to my claim that CGC is not embedded in standardly
used compilers or operating systems requires you to cite a particular
system or compiler that is commercially available, not to theorize about
what might be done!





  reply	other threads:[~1996-10-20  0:00 UTC|newest]

Thread overview: 126+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
1996-10-13  0:00 Garbage Collection in Ada Jonas Nygren
1996-10-13  0:00 ` Lars Farm
1996-10-13  0:00   ` Robert Dewar
     [not found]     ` <19961014115513529729@dialup105-2-16.swipnet.se>
1996-10-16  0:00       ` Robert Dewar
1996-10-16  0:00         ` Hans-Juergen Boehm
1996-10-16  0:00           ` Robert Dewar
1996-10-16  0:00             ` Hans-Juergen Boehm
1996-10-17  0:00               ` Robert Dewar
1996-10-17  0:00                 ` Hans-Juergen Boehm
1996-10-17  0:00                   ` Robert Dewar
1996-10-16  0:00         ` Lars Farm
1996-10-16  0:00           ` Robert Dewar
1996-10-16  0:00             ` Hans-Juergen Boehm
1996-10-17  0:00               ` Robert A Duff
1996-10-17  0:00                 ` Hans-Juergen Boehm
1996-10-17  0:00                 ` Larry Kilgallen
1996-10-17  0:00               ` Robert Dewar
1996-10-17  0:00                 ` Hans-Juergen Boehm
1996-10-17  0:00             ` Lars Farm
1996-10-23  0:00               ` Robert Dewar
1996-10-13  0:00   ` Larry Kilgallen
1996-10-14  0:00   ` Robert A Duff
1996-10-14  0:00     ` Lars Farm
1996-10-15  0:00       ` Robert A Duff
1996-10-16  0:00         ` Lars Farm
1996-10-16  0:00           ` Robert Dewar
1996-10-17  0:00             ` Robert A Duff
1996-10-19  0:00               ` Robert Dewar
1996-10-19  0:00                 ` Lars Farm
1996-10-20  0:00                   ` Robert Dewar
1996-10-20  0:00                     ` Robert A Duff
1996-10-20  0:00                       ` Robert Dewar [this message]
1996-10-21  0:00                     ` Geert Bosch
1996-10-21  0:00                       ` Hans-Juergen Boehm
1996-10-21  0:00                     ` Lars Farm
1996-10-21  0:00                       ` Robert Dewar
1996-10-21  0:00                         ` Lars Farm
1996-10-23  0:00                     ` Fergus Henderson
1996-10-24  0:00                     ` Richard A. O'Keefe
1996-10-20  0:00                 ` Robert A Duff
1996-10-20  0:00                   ` Robert Dewar
1996-10-21  0:00                     ` Hans-Juergen Boehm
1996-10-21  0:00                       ` Robert Dewar
1996-10-19  0:00               ` Richard Kenner
1996-10-15  0:00     ` Hans-Juergen Boehm
1996-10-14  0:00   ` John Howard
1996-10-15  0:00     ` Lars Farm
1996-10-15  0:00       ` Robert A Duff
1996-10-15  0:00       ` Robert Dewar
1996-10-15  0:00         ` Lars Farm
1996-10-15  0:00         ` Hans-Juergen Boehm
1996-10-17  0:00         ` Thomas Kendelbacher
1996-10-17  0:00           ` Robert Dewar
1996-10-23  0:00         ` Richard A. O'Keefe
1996-10-23  0:00           ` Larry Kilgallen
1996-10-15  0:00   ` Keith Thompson
1996-10-13  0:00 ` Robert Dewar
1996-10-14  0:00 ` Jon S Anthony
1996-10-15  0:00   ` Robert Dewar
1996-10-15  0:00 ` Hannes Haug
1996-10-15  0:00 ` Robert I. Eachus
1996-10-15  0:00   ` Robert Dewar
1996-10-16  0:00   ` whiting_ms@corning.com (Matt Whiting)
1996-10-16  0:00     ` Robert Dewar
1996-10-17  0:00   ` John Howard
1996-10-17  0:00     ` Robert Dewar
1996-10-18  0:00       ` Hans-Juergen Boehm
1996-10-18  0:00       ` Lars Farm
1996-10-20  0:00         ` Robert A Duff
1996-10-18  0:00       ` Lars Farm
1996-10-19  0:00         ` Robert Dewar
1996-10-20  0:00           ` Lars Farm
1996-10-21  0:00             ` Nicolay Belofastow
1996-10-21  0:00               ` Robert Dewar
1996-10-21  0:00             ` Robert Dewar
1996-10-22  0:00               ` Lars Farm
1996-10-20  0:00         ` Robert A Duff
1996-10-20  0:00           ` Robert Dewar
1996-10-22  0:00         ` Mitch Gart
1996-10-23  0:00           ` Hans-Juergen Boehm
1996-10-27  0:00             ` Richard Riehle
1996-10-23  0:00           ` Fergus Henderson
1996-10-29  0:00         ` Jon S Anthony
1996-10-30  0:00         ` Jon S Anthony
1996-10-30  0:00         ` James Rogers
1996-10-30  0:00         ` Brian Rogoff
1996-10-30  0:00         ` Jonas Nygren
1996-10-16  0:00 ` Jon S Anthony
1996-10-16  0:00 ` Jon S Anthony
1996-10-16  0:00 ` Jon S Anthony
1996-10-16  0:00 ` Jon S Anthony
1996-10-17  0:00   ` Robert Dewar
1996-10-16  0:00 ` Ole-Hjalmar Kristensen FOU.TD/DELAB
1996-10-16  0:00   ` Robert Dewar
1996-10-17  0:00 ` Hans-Juergen Boehm
1996-10-17  0:00 ` Rick Hudson
1996-10-17  0:00 ` Robert I. Eachus
1996-10-17  0:00   ` Robert Dewar
1996-10-17  0:00     ` Richard Kenner
1996-10-18  0:00 ` Rick Hudson
1996-10-18  0:00 ` Jon S Anthony
1996-10-18  0:00   ` Robert Dewar
1996-10-18  0:00 ` Jon S Anthony
1996-10-23  0:00   ` Robert Dewar
1996-10-21  0:00 ` Laurent Pautet
1996-10-21  0:00 ` Jon S Anthony
1996-10-22  0:00 ` Tapani Rundgren
1996-10-22  0:00 ` Jon S Anthony
1996-10-23  0:00 ` Jon S Anthony
1996-10-24  0:00   ` Mitch Gart
1996-10-24  0:00 ` Hans-Juergen Boehm
1996-10-24  0:00 ` Robert I. Eachus
1996-10-25  0:00 ` Jon S Anthony
1996-10-28  0:00 ` Robert I. Eachus
1996-10-29  0:00 ` Hans-Juergen Boehm
  -- strict thread matches above, loose matches on Subject: below --
1996-11-02  0:00 Jon S Anthony
     [not found] <01bbc6a3$4cf03480$829d6482@joy.ericsson.se>
1996-10-31  0:00 ` Mitch Gart
1996-10-31  0:00   ` Jonas Nygren
1996-11-03  0:00   ` Matthew Heaney
1996-11-06  0:00     ` Robert A Duff
1996-11-06  0:00       ` Norman H. Cohen
1996-11-01  0:00 ` Jon S Anthony
1996-11-06  0:00 ` Brian Rogoff
1996-11-07  0:00   ` Tucker Taft
1996-10-22  0:00 Brian Rogoff
1996-10-11  0:00 C++ Standardization (was: Once again, Ada absent from DoD SBIR solicitation) Dave Wood
1996-10-17  0:00 ` Garbage Collection in Ada Thomas Kendelbacher
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