From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-0.3 required=5.0 tests=BAYES_00, REPLYTO_WITHOUT_TO_CC autolearn=no autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,29850945228df59 X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2003-07-01 10:22:13 PST Path: archiver1.google.com!news1.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!newsfeed.icl.net!newsfeed.fjserv.net!newsfeed00.sul.t-online.de!newsmm00.sul.t-online.com!t-online.de!news.t-online.com!not-for-mail From: Martin Krischik Newsgroups: comp.lang.ada Subject: Re: Boehm-Demers-Weiser conservative garbage collector and GNAT Date: Mon, 30 Jun 2003 20:58:14 +0200 Organization: AdaCL Message-ID: <1543892.zoLcTVpZ6N@linux1.krischik.com> References: <1316747.mXveBPtf0Z@linux1.krischik.com> <87brwrs1qe.fsf@deneb.enyo.de> <1553495.v99NdxNB06@linux1.krischik.com> <87vfuohq0n.fsf@deneb.enyo.de> Reply-To: krischik@users.sourceforge.net Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7Bit X-Trace: news.t-online.com 1057080017 02 23505 EfXOVpKVScYAoB 030701 17:20:17 X-Complaints-To: usenet-abuse@t-online.de X-ID: SAfxO0Z-oe1q7+ZO0XVQ2sqk7BGYZN5ifWZgSKNGiENawVsGR3cU0a User-Agent: KNode/0.7.2 Xref: archiver1.google.com comp.lang.ada:39961 Date: 2003-06-30T20:58:14+02:00 List-Id: Florian Weimer wrote: > Martin Krischik writes: >> The Boehm-Demers-Weiser conservative garbage collector has atomic >> memory which must be pointer free. But this is used only for >> performance improvemend. > Flagging atomic memory (and memory without internal access points) is > crucial if you allocate large data structures (and cannot use the > generational collector for some reason). I think so too. >> Current status is that I implemented the thin and thick bindung to the >> collector and added the collector to my Trace class. Trace is used in any >> class and task so it a good test. But I will add further tests. > > Interesting. A project of mine which is still under development > changes GNAT itself to support the Boehm-Demers-Weiser collector: Damm. I made the initial post to prevent duplicate development and now it happend anyway. But prehaps is not to late to join forces. > I have a look at it. > The project is not finished, but I think I've implemented the most > complicated things. Well, I am almost finished but I need some more testing. Of course it is easier for me since the programer need to specify the right Storage_Pool for each access when the garbage collector is implemented outside the compiler environment. With Regards. Martin -- mailto://krischik@users.sourceforge.net http://www.ada.krischik.com