Return-Path: Delivered-To: apmail-incubator-harmony-commits-archive@www.apache.org Received: (qmail 41146 invoked from network); 5 Jul 2006 23:36:19 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (209.237.227.199) by minotaur.apache.org with SMTP; 5 Jul 2006 23:36:19 -0000 Received: (qmail 94208 invoked by uid 500); 5 Jul 2006 23:36:18 -0000 Delivered-To: apmail-incubator-harmony-commits-archive@incubator.apache.org Received: (qmail 94183 invoked by uid 500); 5 Jul 2006 23:36:18 -0000 Mailing-List: contact harmony-commits-help@incubator.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: harmony-dev@incubator.apache.org Delivered-To: mailing list harmony-commits@incubator.apache.org Received: (qmail 94172 invoked by uid 99); 5 Jul 2006 23:36:18 -0000 Received: from asf.osuosl.org (HELO asf.osuosl.org) (140.211.166.49) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 05 Jul 2006 16:36:18 -0700 X-ASF-Spam-Status: No, hits=0.0 required=10.0 tests= X-Spam-Check-By: apache.org Received: from [209.237.227.198] (HELO brutus.apache.org) (209.237.227.198) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 05 Jul 2006 16:36:17 -0700 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id 4F853410402 for ; Wed, 5 Jul 2006 23:34:30 +0000 (GMT) Message-ID: <32115776.1152142470306.JavaMail.jira@brutus> Date: Wed, 5 Jul 2006 23:34:30 +0000 (GMT+00:00) From: "Geir Magnusson Jr (JIRA)" To: harmony-commits@incubator.apache.org Subject: [jira] Assigned: (HARMONY-11) GC, Heap and Object Model redesign MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Virus-Checked: Checked by ClamAV on apache.org X-Spam-Rating: minotaur.apache.org 1.6.2 0/1000/N [ http://issues.apache.org/jira/browse/HARMONY-11?page=all ] Geir Magnusson Jr reassigned HARMONY-11: ---------------------------------------- Assign To: (was: Geir Magnusson Jr) > GC, Heap and Object Model redesign > ---------------------------------- > > Key: HARMONY-11 > URL: http://issues.apache.org/jira/browse/HARMONY-11 > Project: Harmony > Type: Improvement > Components: VM > Reporter: Robin Garner > Attachments: gc.tgz > > The object model / heap implementation/garbage collector for bootJVM need redesign. Major points are: > 1) per-object metadata to be > - reduced to <= 3 words > - re-cast as an object header > 2) Object references redesigned as pointers rather than hashes or table indexes > 3) Garbage collection metadata integrated with the object header > > 4) GC maps for stacks produced at GC-safe points > Example code is attached. -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://issues.apache.org/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira