From: "Mark Thornton" <m.p.thornton@ntlworld.com>
Subject: Re: real-time Java
Date: Tue, 15 Apr 2003 16:06:30 +0100
Date: 2003-04-15T16:06:30+01:00 [thread overview]
Message-ID: <b7h75u$robg$1@ID-139894.news.dfncis.de> (raw)
In-Reply-To: Jj6dnZQ3ZIVegAGjXTWcpg@gbronline.com
"Wesley Groleau" <wesgroleau@despammed.com> wrote in message
news:Jj6dnZQ3ZIVegAGjXTWcpg@gbronline.com...
> >>>How the heck you do that with a language subject to garbage collection
> >>>is going to be an interesting thing to watch happen.
>
> Don't know much about it, but I read more than a year ago
> that some company had a JVM with "guaranteed deterministic"
> timing.
>
> > And also by choosing an appropriate garbage collector. Some real time
tasks
> > can tolerate the delays introduced by a garbage collector.
>
> How about a garbage collector in a lower priority
> task that runs continuosly for some percentage of
> CPU time instead of hogging the machine only when
> desperately needed?
>
> (Another thing that would be nice is a JVM that is
> a shared library or resident in the OS or something,
> instead of--this is for multi-user environments, BTW--
> having every Java program running its own copy of the JVM.)
>
In addition to the standard garbage collector the current Sun JVM has 3
other collectors:
1) an incremental collector
2) a concurrent collector
3) a parallel collector
http://java.sun.com/j2se/1.4.1/changes.html#vm
Mark Thornton
next prev parent reply other threads:[~2003-04-15 15:06 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bebbba07.0304101816.3493f42a@posting.google.com>
2003-04-11 6:10 ` real-time Java Kent Paul Dolan
2003-04-11 6:23 ` Dr. Michael Paus
2003-04-17 6:40 ` Kent Paul Dolan
2003-04-17 21:04 ` Robert A Duff
2003-04-11 11:43 ` Tum
2003-04-15 8:17 ` Darren Winsper
2003-04-15 9:23 ` Mark Thornton
2003-04-15 14:57 ` Wesley Groleau
2003-04-15 15:06 ` Mark Thornton [this message]
2003-04-15 15:50 ` Robert A Duff
2003-04-16 23:29 ` Thomas Maslen
2003-04-15 17:59 ` Wojtek Narczynski
2003-04-15 18:43 ` Wesley Groleau
2003-04-15 23:33 ` Samuel Tardieu
2003-04-16 1:07 ` Kent Paul Dolan
2003-04-15 18:47 ` Wesley Groleau
2003-04-16 5:16 ` Tor Iver Wilhelmsen
replies disabled
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox