Will a Tesla C2050 or another good CPU be able to reduce the running time from 20-24 hr to less time like for instance 8hr or below that time.
Knut J > From: rg...@nmr.mgh.harvard.edu > To: freesurfer@nmr.mgh.harvard.edu > Date: Mon, 4 Apr 2011 09:23:07 -0400 > Subject: Re: [Freesurfer] recommende pc and cuda > > > On Mon, 2011-04-04 at 13:13 +0200, Knut J Bjuland wrote: > > > I am in the process of acquiring a new computer to run freesurfer on. > > I am currently think about buying a PC with a geforce 4X0 and a Tesla > > card along with a two screen setup running either Ubuntu or Redhat > > Linux enterprise 6.0. I think the PC should be a core i7 with 6 core > > and above 12 gigs byte of ram. What kind of tesla card is recommend > > for using with Freesurfer? Will Freesurfer 5.1 also support cuda 4.0. > > If your budget can withstand a Tesla C2050, by all means go for it. I've > not checked in detail how much GPU RAM FreeSurfer requires, so it might > be possible to run on a 'lesser' GeForce card. There's not enough double > precision stuff to be significant in the GeForce vs Tesla choice. And I > don't do overlapping transfers, which would be another factor. The main > thing to do is make sure you have a 'Fermi' GPU - that's a Tesla 20 > series, or GeForce GTX 400 or 500 series. Large speed ups depend on the > Fermi card. > > As for the CPU... just make sure it's Nehalem class. FreeSurfer on both > the CPU and GPU likes fast RAM access. > > As for CUDA 4.0 support.... that will depend on NVIDIA not breaking > backwards compatibility (not an absolute given - they are not IBM). I > don't expect any trouble, but until we upgrade to CUDA 4.0 here (and 3.2 > just broke binary compatibility), I wouldn't want to promise anything. > > HTH, > > Richard > > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > > The information in this e-mail is intended only for the person to whom it is > addressed. If you believe this e-mail was sent to you in error and the e-mail > contains patient information, please contact the Partners Compliance HelpLine > at > http://www.partners.org/complianceline . If the e-mail was sent to you in > error > but does not contain patient information, please contact the sender and > properly > dispose of the e-mail. >
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