Re: [AMBER] experiences with EVGA GTX TITAN Superclocked - memtestG80 - UNDERclocking in Linux ?

From: Scott Le Grand <varelse2005.gmail.com>
Date: Sat, 1 Jun 2013 19:36:32 -0700

My Titans are straight from NVIDIA and stock clocks...

Setting Double-precision mode does not seem to fix the issue...





On Sat, Jun 1, 2013 at 6:45 PM, ET <sketchfoot.gmail.com> wrote:

> ps: has anyone run this test on a TITAN not manufactured by EVGA?
>
>
> On 2 June 2013 02:30, ET <sketchfoot.gmail.com> wrote:
>
> > Ok,
> >
> > I reran the test with the latest driver and old version of amber as it
> > seems you have to recompile. The results have improved a lot, but
> > reproducibility is still not across the board.
> >
> > Recompiling overnight from scratch. Will do default cuda precision mode
> > and also DPDP. Will test again tomorrow.
> >
> > Like Mareck, i think my PSU is pretty good. Though it is more a
> conviction
> > than anything else.
> >
> > My setup is as follows:
> >
> > Mobo: GA-X58-UD7
> > Processor : i7-930
> > PSU: BeQuiet Dark Power Pro 10 1200W - (gold standard FWIW)
> > memory: OCZ 6Gb (3x2GB) DDR3 1333MHz Memory CL7(7-7-7-20)
> > SSD - primary HDD with centos 6.4
> > GPUs : 2 x EVGA GTX TITAN Superclocked 6GB
> > Cooling: Enough that when under load top card runs at ~85 degrees, whilst
> > bottom runs at ~80 degrees.
> >
> > br,
> > g
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > On 2 June 2013 00:49, Marek Maly <marek.maly.ujep.cz> wrote:
> >
> >> BTW working temperature (during actually calculated tests) is
> >> on my OC Titan 80°C and Fan utilization is 58%.
> >>
> >> I think this temp. is still OK or not ?
> >>
> >> M.
> >>
> >>
> >>
> >> Dne Sun, 02 Jun 2013 01:38:34 +0200 Scott Le Grand <
> varelse2005.gmail.com
> >> >
> >> napsal/-a:
> >>
> >> > And yes to ECC disabled... This is looking more and more like the
> Titan
> >> > is
> >> > just clocked too high... I'm going to clock down my Titan and see
> what
> >> > effect that has...
> >> >
> >> > Meanwhile, JAC NTP and JAC NVE also emit reproducible trajectories on
> >> > K20... Case pretty much closed on reproducibility at my end...
> >> >
> >> >
> >> >
> >> >
> >> >
> >> > On Sat, Jun 1, 2013 at 4:25 PM, Scott Le Grand
> >> > <varelse2005.gmail.com>wrote:
> >> >
> >> >>
> >> >> On Sat, Jun 1, 2013 at 3:41 PM, Marek Maly <marek.maly.ujep.cz>
> wrote:
> >> >>
> >> >>> PLATIMAX EPM1200EWT 1200W, 80+, Platinum
> >> >>
> >> >>
> >> >>
> >> >> Platinum rated... So much for the power supply theory... Does your
> >> top
> >> >> menu on your window manager have a menu option for "NVIDIA X Server
> >> >> Settings?"
> >> >>
> >> >>
> >> >>
> >> > _______________________________________________
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> >> > AMBER.ambermd.org
> >> > http://lists.ambermd.org/mailman/listinfo/amber
> >> >
> >> > __________ Informace od ESET NOD32 Antivirus, verze databaze 8401
> >> > (20130601) __________
> >> >
> >> > Tuto zpravu proveril ESET NOD32 Antivirus.
> >> >
> >> > http://www.eset.cz
> >> >
> >> >
> >> >
> >>
> >>
> >> --
> >> Tato zpráva byla vytvořena převratným poštovním klientem Opery:
> >> http://www.opera.com/mail/
> >>
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> >>
> >
> >
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Received on Sat Jun 01 2013 - 20:00:03 PDT
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