Date: Tue, 27 Feb 2007 17:09:25 -0500 From: Kris Kennaway <kris@obsecurity.org> To: "B. Estrade" <estrabd+freebsd-smp@gmail.com> Cc: smp@freebsd.org, Kris Kennaway <kris@obsecurity.org> Subject: Re: Progress on scaling of FreeBSD on 8 CPU systems Message-ID: <20070227220924.GA57783@xor.obsecurity.org> In-Reply-To: <a7ee76680702271400v5e0d11cepaf84fa546e4061c2@mail.gmail.com> References: <20070224213111.GB41434@xor.obsecurity.org> <20070227182511.GD29041@decibel.org> <20070227205951.GA56651@xor.obsecurity.org> <a7ee76680702271400v5e0d11cepaf84fa546e4061c2@mail.gmail.com>
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On Tue, Feb 27, 2007 at 10:00:37PM +0000, B. Estrade wrote: > >I've mentioned this a couple of times, but postgresql didn't scale > >well [on freebsd at least] when I tried it last year. I hope to > >revisit when I get time. > > What other applications have you used to test the scalability? Have > you looked into utilizing OpenMP (available via intel compilers, which > are free for private use) ? > > http://www.intel.com/cd/software/products/asmo-na/eng/compilers/flin/282048.htm > > I am not sure of the state of GCC's OpenMP implementation > (http://gcc.gnu.org/projects/gomp/), but that might be more palatable > to some. > > It seems that there either exist OpenMP benchmarks for shared memory > systems or ones could be easily be created for fully exercising (or > maybe exorcising;) the system. One thing is for sure, there are a lot > of scientific applications out there written using OpenMP that might > serve this purpose as well. No, I've not looked at this. I don't have any experience with this system, but it might be a good project for someone to look into. Kris
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