Return-Path: Delivered-To: apmail-harmony-commits-archive@www.apache.org Received: (qmail 78549 invoked from network); 26 Mar 2008 06:25:38 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 26 Mar 2008 06:25:38 -0000 Received: (qmail 77762 invoked by uid 500); 26 Mar 2008 06:25:37 -0000 Delivered-To: apmail-harmony-commits-archive@harmony.apache.org Received: (qmail 77738 invoked by uid 500); 26 Mar 2008 06:25:36 -0000 Mailing-List: contact commits-help@harmony.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@harmony.apache.org Delivered-To: mailing list commits@harmony.apache.org Received: (qmail 77729 invoked by uid 99); 26 Mar 2008 06:25:36 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 25 Mar 2008 23:25:36 -0700 X-ASF-Spam-Status: No, hits=-2000.0 required=10.0 tests=ALL_TRUSTED X-Spam-Check-By: apache.org Received: from [140.211.11.140] (HELO brutus.apache.org) (140.211.11.140) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 26 Mar 2008 06:24:51 +0000 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id 3850C234C0AD for ; Tue, 25 Mar 2008 23:23:24 -0700 (PDT) Message-ID: <1316199041.1206512604229.JavaMail.jira@brutus> Date: Tue, 25 Mar 2008 23:23:24 -0700 (PDT) From: "Pavel Pervov (JIRA)" To: commits@harmony.apache.org Subject: [jira] Resolved: (HARMONY-5281) [drlvm][startup][performance][classloader] mapping bootstrap jars directly into memory In-Reply-To: <28311254.1197285703006.JavaMail.jira@brutus> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Virus-Checked: Checked by ClamAV on apache.org [ https://issues.apache.org/jira/browse/HARMONY-5281?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Pavel Pervov resolved HARMONY-5281. ----------------------------------- Resolution: Fixed Committed revision 641169. VM option vm.map_bootstrap_jars can be used to turn mmap functionality on. > [drlvm][startup][performance][classloader] mapping bootstrap jars directly into memory > -------------------------------------------------------------------------------------- > > Key: HARMONY-5281 > URL: https://issues.apache.org/jira/browse/HARMONY-5281 > Project: Harmony > Issue Type: Sub-task > Components: DRLVM > Reporter: Naumova Natalya > Assignee: Pavel Pervov > Attachments: bootstrap_jar_mapping.patch, jarmapping.BCP.patch > > > Bootstrap jar files mapping : we can deliver from a big amount of system calls (such as lseek, read etc) by mapping jars into memory via CreateFileMapping for windows and nmap for linux. Then we can work using pointer arithmetic only. > The same can be done with classlib jars also.. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.