From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 19946 invoked by alias); 21 Apr 2010 14:01:11 -0000 Received: (qmail 18830 invoked by alias); 21 Apr 2010 14:00:26 -0000 Date: Wed, 21 Apr 2010 14:01:00 -0000 Message-ID: <20100421140025.18829.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug libgomp/43706] scheduling two threads on one core leads to starvation In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "jakub at gcc dot gnu dot org" 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: 2010-04/txt/msg02190.txt.bz2 ------- Comment #9 from jakub at gcc dot gnu dot org 2010-04-21 14:00 ------- Subject: Bug 43706 Author: jakub Date: Wed Apr 21 13:59:39 2010 New Revision: 158600 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=158600 Log: PR libgomp/43706 * config/linux/affinity.c (gomp_init_affinity): Decrease gomp_available_cpus if affinity mask confines the process to fewer CPUs. * config/linux/proc.c (get_num_procs): If gomp_cpu_affinity is non-NULL, just return gomp_available_cpus. Modified: branches/gcc-4_5-branch/libgomp/ChangeLog branches/gcc-4_5-branch/libgomp/config/linux/affinity.c branches/gcc-4_5-branch/libgomp/config/linux/proc.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43706