From owner-freebsd-current@FreeBSD.ORG Thu Dec 14 15:40:31 2006 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 1AEEC16A47B for ; Thu, 14 Dec 2006 15:40:31 +0000 (UTC) (envelope-from freebsd-current@m.gmane.org) Received: from ciao.gmane.org (main.gmane.org [80.91.229.2]) by mx1.FreeBSD.org (Postfix) with ESMTP id 719A643E5B for ; Thu, 14 Dec 2006 15:34:27 +0000 (GMT) (envelope-from freebsd-current@m.gmane.org) Received: from list by ciao.gmane.org with local (Exim 4.43) id 1Guscm-00027u-76 for freebsd-current@freebsd.org; Thu, 14 Dec 2006 16:35:56 +0100 Received: from lara.cc.fer.hr ([161.53.72.113]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 14 Dec 2006 16:35:56 +0100 Received: from ivoras by lara.cc.fer.hr with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 14 Dec 2006 16:35:56 +0100 X-Injected-Via-Gmane: http://gmane.org/ To: freebsd-current@freebsd.org From: Ivan Voras Date: Thu, 14 Dec 2006 16:35:41 +0100 Lines: 14 Message-ID: References: <20061213192150.CF83D16A417@hub.freebsd.org> <200612131711.50921.mi+mx@aldan.algebra.com> <4580DFAB.3080601@FreeBSD.org> <200612140917.25523@aldan> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Complaints-To: usenet@sea.gmane.org X-Gmane-NNTP-Posting-Host: lara.cc.fer.hr User-Agent: Thunderbird 1.5.0.4 (X11/20060625) In-Reply-To: <200612140917.25523@aldan> Sender: news Subject: Re: Let's use gcc-4.2, not 4.1 -- OpenMP X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 14 Dec 2006 15:40:31 -0000 Mikhail Teterin wrote: > Although commercial compilers (like Intel's icc for Windows and Linux, or Sun > Studio on Solaris, or Visual Studio on Windows) have supported OpenMP pragmas > for a while (icc even allows parallelizing accross multiple machines), > gcc-4.2 is the first release of GCC that supports it (with `-fopenmp' flag). > > I anticipate, "out-of-the-box" OpenMP support will soon be one of the > required "check-boxes" for an OS to be considered for many things... For what it's worth: +1. It's going to be practically required even for medium-performance applications as CPU clock rate stagnate and more cores are grown. I've recently seen a 16-cpu x86 server in 1U! (granted, 8 of those are hyperthreaded "CPUs" ;) )