From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 19940 invoked by alias); 2 Dec 2010 14:31:55 -0000 Received: (qmail 19925 invoked by uid 22791); 2 Dec 2010 14:31:53 -0000 X-SWARE-Spam-Status: No, hits=-2.8 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Thu, 02 Dec 2010 14:31:49 +0000 From: "jakub at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug libgomp/43706] scheduling two threads on one core leads to starvation X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: libgomp X-Bugzilla-Keywords: openmp X-Bugzilla-Severity: normal X-Bugzilla-Who: jakub at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: jakub at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.5.2 X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 Date: Thu, 02 Dec 2010 14:31:00 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2010-12/txt/msg00189.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43706 --- Comment #27 from Jakub Jelinek 2010-12-02 14:31:31 UTC --- Author: jakub Date: Thu Dec 2 14:31:27 2010 New Revision: 167371 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=167371 Log: PR libgomp/43706 * env.c (initialize_env): Default to spin count 300000 instead of 20000000 if neither OMP_WAIT_POLICY nor GOMP_SPINCOUNT is specified. Modified: trunk/libgomp/ChangeLog trunk/libgomp/env.c