Return-Path: X-Original-To: archive-asf-public-internal@cust-asf2.ponee.io Delivered-To: archive-asf-public-internal@cust-asf2.ponee.io Received: from cust-asf.ponee.io (cust-asf.ponee.io [163.172.22.183]) by cust-asf2.ponee.io (Postfix) with ESMTP id 9AE6B200C3C for ; Mon, 3 Apr 2017 20:13:21 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id 99710160B8F; Mon, 3 Apr 2017 18:13:21 +0000 (UTC) Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by cust-asf.ponee.io (Postfix) with SMTP id E008A160B8D for ; Mon, 3 Apr 2017 20:13:20 +0200 (CEST) Received: (qmail 10399 invoked by uid 500); 3 Apr 2017 18:13:20 -0000 Mailing-List: contact dev-help@apr.apache.org; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Id: Delivered-To: mailing list dev@apr.apache.org Received: (qmail 10388 invoked by uid 99); 3 Apr 2017 18:13:20 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd3-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 03 Apr 2017 18:13:20 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd3-us-west.apache.org (ASF Mail Server at spamd3-us-west.apache.org) with ESMTP id 9DC0A1803A1 for ; Mon, 3 Apr 2017 18:13:19 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd3-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -2.144 X-Spam-Level: X-Spam-Status: No, score=-2.144 tagged_above=-999 required=6.31 tests=[RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-2.796, SPF_NEUTRAL=0.652] autolearn=disabled Received: from mx1-lw-eu.apache.org ([10.40.0.8]) by localhost (spamd3-us-west.apache.org [10.40.0.10]) (amavisd-new, port 10024) with ESMTP id zZiSb-mThoA8 for ; Mon, 3 Apr 2017 18:13:18 +0000 (UTC) Received: from resqmta-po-06v.sys.comcast.net (resqmta-po-06v.sys.comcast.net [96.114.154.165]) by mx1-lw-eu.apache.org (ASF Mail Server at mx1-lw-eu.apache.org) with ESMTPS id 286085F24E for ; Mon, 3 Apr 2017 18:13:18 +0000 (UTC) Received: from resomta-po-20v.sys.comcast.net ([96.114.154.244]) by resqmta-po-06v.sys.comcast.net with SMTP id v6TXcW6Xqbempv6TXczzrq; Mon, 03 Apr 2017 18:13:11 +0000 Received: from [192.168.199.10] ([69.251.90.98]) by resomta-po-20v.sys.comcast.net with SMTP id v6TVcBOp7ZLS3v6TWc1E7O; Mon, 03 Apr 2017 18:13:11 +0000 Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 10.3 \(3273\)) Subject: Re: Default Linux mutex method From: Jim Jagielski In-Reply-To: <81E71441-B01C-4817-85E1-56211503B556@jaguNET.com> Date: Mon, 3 Apr 2017 14:13:09 -0400 Cc: William A Rowe Jr , Yann Ylavic Content-Transfer-Encoding: 7bit Message-Id: References: <81E71441-B01C-4817-85E1-56211503B556@jaguNET.com> To: Jim , APR Developer List X-Mailer: Apple Mail (2.3273) X-CMAE-Envelope: MS4wfCZ4peYbUbzb+g/Qs0XFqByfqqxp0K7QW1YReXThWqibi/WispQ+FNy0Im9s3vuMCH6Yc+7I6LfjFrWXKsaJUkFnSXJRz158K7bzAKI3jog8hfOaJCF/ pA5NOwJIE1VgXQgvcEFYs/VsY9+v/aV16wWwPoy/IVt03jVHV4U6POcEddWUs4U0rP30X2xrvvcwlacV6/1PYWd3jmCbgC1EFcQ8tJPpw1z+vK6nJ000xhs7 L6Y9P85jg76YJUSpgT2x1Q== archived-at: Mon, 03 Apr 2017 18:13:21 -0000 Of course, it depends on the number of threads, natch... > On Apr 3, 2017, at 2:07 PM, Jim Jagielski wrote: > > Using: > > https://github.com/jimjag/benchmarks/blob/master/lock/lock_test.c > > under OSX/macOS, pthread_mutex_lock is much quicker. Which makes > sense since sysv sems and posix sems do much more than simply > "lock"