From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 8468 invoked by alias); 5 Sep 2007 12:45:07 -0000 Received: (qmail 8106 invoked by uid 48); 5 Sep 2007 12:44:44 -0000 Date: Wed, 05 Sep 2007 12:45:00 -0000 Message-ID: <20070905124444.8105.qmail@sourceware.org> From: "bart dot vanassche at gmail dot com" To: glibc-bugs@sources.redhat.com In-Reply-To: <20070317113630.4209.bart.vanassche@gmail.com> References: <20070317113630.4209.bart.vanassche@gmail.com> Reply-To: sourceware-bugzilla@sourceware.org Subject: [Bug nptl/4209] Performance issue: NPTL semaphores work slower than linuxthreads semaphores X-Bugzilla-Reason: CC Mailing-List: contact glibc-bugs-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Help: , Sender: glibc-bugs-owner@sourceware.org X-SW-Source: 2007-09/txt/msg00017.txt.bz2 ------- Additional Comments From bart dot vanassche at gmail dot com 2007-09-05 12:44 ------- (In reply to comment #8) > For some time now the version in cvs does things differently. It of course is > always thread safe, unlike your code, so the benchmark as-is is not usable. Apparently these optimizations are not yet included in the most recent glibc release (2.6.1) ? These are the changes I found in CVS: http://sourceware.org/cgi-bin/cvsweb.cgi/libc/nptl/sysdeps/unix/sysv/linux/sem_post.c.diff?r1=1.6&r2=1.7&cvsroot=glibc&f=h http://sourceware.org/cgi-bin/cvsweb.cgi/libc/nptl/sysdeps/unix/sysv/linux/powerpc/sem_post.c.diff?r1=1.5&r2=1.6&cvsroot=glibc&f=h ... -- http://sourceware.org/bugzilla/show_bug.cgi?id=4209 ------- You are receiving this mail because: ------- You are on the CC list for the bug, or are watching someone who is.