Return-Path: Delivered-To: apmail-harmony-commits-archive@www.apache.org Received: (qmail 3475 invoked from network); 4 Oct 2007 10:48:20 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 4 Oct 2007 10:48:20 -0000 Received: (qmail 46860 invoked by uid 500); 4 Oct 2007 10:48:09 -0000 Delivered-To: apmail-harmony-commits-archive@harmony.apache.org Received: (qmail 46843 invoked by uid 500); 4 Oct 2007 10:48:08 -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 46833 invoked by uid 99); 4 Oct 2007 10:48:08 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 04 Oct 2007 03:48:08 -0700 X-ASF-Spam-Status: No, hits=-100.0 required=10.0 tests=ALL_TRUSTED X-Spam-Check-By: apache.org Received: from [140.211.11.4] (HELO brutus.apache.org) (140.211.11.4) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 04 Oct 2007 10:48:10 +0000 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id CA24E714187 for ; Thu, 4 Oct 2007 03:47:50 -0700 (PDT) Message-ID: <10168202.1191494870825.JavaMail.jira@brutus> Date: Thu, 4 Oct 2007 03:47:50 -0700 (PDT) From: "Aleksey Shipilev (JIRA)" To: commits@harmony.apache.org Subject: [jira] Updated: (HARMONY-4879) [classlib][nio] epoll-based Selector In-Reply-To: <12231583.1191252410575.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-4879?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Aleksey Shipilev updated HARMONY-4879: -------------------------------------- Attachment: 2000-all.png 2000-all.png Comparison of different implementations on 16x Tulsa / 3.2 Ghz / RHEL4 / 2.6.9. > [classlib][nio] epoll-based Selector > ------------------------------------ > > Key: HARMONY-4879 > URL: https://issues.apache.org/jira/browse/HARMONY-4879 > Project: Harmony > Issue Type: Improvement > Components: Classlib > Environment: Linux > Reporter: Aleksey Shipilev > Attachments: 2000-all.png, run.sh, selectnow.java, selectors-epoll-2.patch, selectors-epoll-3.patch > > > As the part of Linux Scalability Project, kernel developers had implemented the epoll() I/O multiplexing facility (http://lse.sourceforge.net/epoll/index.html), which scales much better than legacy poll() and select(). Attached patch implements epoll() support for java.nio.channels.Selector, which can be turned on with option: > -Djava.nio.channels.spi.SelectorProvider=org.apache.harmony.nio.internal.EpollSelectorProviderImpl -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.