Those are good points Marek. :)
On 3 June 2013 11:34, Marek Maly <marek.maly.ujep.cz> wrote:
> OK, I will try NUCLEOSOME case as well with my latest
> settings : (driver 319.23, Amber12 bugfix 18 applied, cuda 5.5)
>
> M.
>
>
>
>
> Dne Mon, 03 Jun 2013 11:51:46 +0200 ET <sketchfoot.gmail.com> napsal/-a:
>
> > Hi all,
> >
> > I reran the benchmark with Amber recompiled and at the latest drivers
> > with
> > GPU in solo configuration yields the following results:
> >
> >
> > When I run the tests on GPU-00_TeaNCake:
> >
> > 1) All the tests (across 2x repeats) finish successfully:
> >
> >
> > 2) The sdiff logs indicate that reproducibility across the two repeats
> > is
> > as follows:
> >
> > GB_myoglobin: Reproducible across 1,000,000 steps
> > GB_nucleosome: No reproducibility shown from step 3,400 onwards. Also
> > outfile is not written properly - blank gaps appear where something
> > should
> > have been written.
> > GB_TRPCage: Reproducible across 1,000,000 steps
> >
> > PME_JAC_production_NVE: No reproducibility shown from step 35,000
> > onwards.
> > Also outfile is not written properly - blank gaps appear where something
> > should have been written.
> > PME_JAC_production_NPT: No reproducibility shown from step 69,000
> > onwards.
> > Also outfile is not written properly - blank gaps appear where something
> > should have been written.
> > PME_FactorIX_production_NVE: Reproducible across 100k steps
> > PME_FactorIX_production_NPT: Reproducible across 100k steps
> > PME_Cellulose_production_NVE: Reproducible across 100k steps
> > PME_Cellulose_production_NPT: No reproducibility shown from step 17,000
> > onwards. Also outfile is not written properly - blank gaps appear where
> > something should have been written.
> >
> > #################################################
> >
> >
> > So it looks like the problem does occur in GB runs too. Though I notice
> > that running in single GPU mode seems to make the problem appear much
> > later
> > than it occurs with dual GPUs, though obviously this is quite qualitative
> > and based only of 1 repeat.
> >
> > br,
> > g
> >
> >
> >
> >
> > On 3 June 2013 10:28, ET <sketchfoot.gmail.com> wrote:
> >
> >> Hi Marek,
> >>
> >> I think what you say about Valley and Heaven are true to a certain
> >> extent,
> >> but I think the links I posted to the EVGA overclock utility & MSI
> >> Kombuster are very good ways of testing the card. I don't know the
> >> details
> >> of memtestG80 and cuda_memtest, but it seems to me that they are testing
> >> one very specific component. i.e. The Memory. As the graphics card
> >> consists
> >> of more than this, it is better to have a test that checks the card in a
> >> more holistic manner IMO. :)
> >>
> >> I think this argument is supported by the fact that tech support at the
> >> store used a program called FurMark to stress test the GPU. As the GPU I
> >> returned kept failing the benchmark, they realized in less than half a
> >> day
> >> it was faulty, whilst I wasted a couple of days mucking about with GPU
> >> memory tests using Gpuburn on linux.
> >>
> >> http://www.ozone3d.net/benchmarks/fur/
> >>
> >> I think if you are going to test on windows, you are better of getting
> >> MSI
> >> Kombuster which I posted earlier. It contains the test contained in
> >> Furmark
> >> and many additional tests that test the compute capability of the card.
> >>
> >> best regards,
> >> g
> >>
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> >
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> >
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> >
> >
> >
>
>
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Received on Mon Jun 03 2013 - 05:00:02 PDT
