Date: Fri, 15 Dec 2006 13:08:02 +0800 From: David Xu <davidxu@freebsd.org> To: Steve Kargl <sgk@troutmask.apl.washington.edu> Cc: Juha Saarinen <juhasaarinen@gmail.com>, freebsd-current@freebsd.org Subject: Re: Let's use gcc-4.2, not 4.1 -- OpenMP Message-ID: <45822DB2.4020902@freebsd.org> In-Reply-To: <20061215043949.GA9381@troutmask.apl.washington.edu> References: <20061213192150.CF83D16A417@hub.freebsd.org> <200612131711.50921.mi%2Bmx@aldan.algebra.com> <4580DFAB.3080601@FreeBSD.org> <200612140917.25523@aldan> <elrr0d$8g1$1@sea.gmane.org> <20061214183026.GA1532@turion.vk2pj.dyndns.org> <4581A3E3.9060807@samsco.org> <20061215015713.GA33730@dragon.NUXI.org> <45820F35.50802@samsco.org> <b34be8420612141915k50612a15ma6f7efe3816839e3@mail.gmail.com> <20061215043949.GA9381@troutmask.apl.washington.edu>
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Steve Kargl wrote: > On Fri, Dec 15, 2006 at 04:15:23PM +1300, Juha Saarinen wrote: > >>So... silly question perhaps, but does -CURRENT (world + kernel) build >>with gcc 4.2 and -fopenmp? What about -STABLE and -RELEASE? >> > > > -fopenmp will be a completely useless option for world > unless someone starts to sprinkle OpenMP compiler directives > throughout /usr/src. I seriously doubt anyone will ever > sprinkle OpenMP directives in kernel sources (ie., do > you want to link your kernel with libthr or libpthread?). > I think kernel has to implement its own libgomp if -fopenmp will be used for kernel, though I don't have any idea that openmp will be used in kernel. but for application, openmp is worth be to tried. Regards, David Xu
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